MA36A -- SWITCHGEAR, SWITCHBOARD APPARATUS, RELAYS, AND INDUSTRIAL CONTROLS ANNUAL 1993 RELEASED DECEMBER 13, 1994 -- Revised from December 8, 1994 CONTACT PERSON: Wanda Sledd (301) 763-2518 SUMMARY OF FINDINGS During 1993, the total value of shipments of switchgear and switchboard apparatus was $5.3 billion, up 2 percent from the 1992 value of $5.2 billion. The 1993 shipments include power circuit breakers valued at $515.8 million, an increase of 7 percent from 1992; low voltage panelboards, valued at $1.6 billion, an increase of 6 percent from 1992; fuses and fuse equipment, valued at $478.2 million, an increase of 16 percent from 1992; molded case circuit breakers, valued at $1.0 billion, an increase of 7 percent from 1992; duct, valued at $200.1 million, an increase of 6 percent from 1992; and switchgear valued at $1.5 billion, a decrease of 10 percent from 1992. During 1993, the total value of shipments of relays and industrial controls was $6.3 billion, up 6 percent from the 1992 value of $5.9 billion. The 1993 shipments include general-purpose relays valued at $703.2 million, a decrease of 10 percent from 1992; specific-purpose industrial controls, valued at $2.1 billion, an increase of 11 percent from 1992; general-purpose industrial controls, valued at $3.0 billion, an increase of 8 percent from 1992; and motor controller accesories valued at $444.3 million, a decrease of 1 percent, from 1992. Table 1. VALUE OF SHIPMENTS OF SWITCHGEAR, SWITCHBOARD APPARATUS, RELAYS, AND INDUSTRIAL CONTROLS: 1984 to 1993 (Millions of unadjusted dollars) Product code Product description 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 36132 Power circuit breakers................... 515.8 r/ 480.8 368.5 387.6 393.4 386.0 372.8 377.9 377.5 415.2 36133 Low-voltage panelboards.................. 1,620.2 r/ 1531.1 1,642.6 1,722.3 1,747.2 1,663.5 1,569.3 1,552.0 1,607.4 1,510.1 36134 Fuses and fuse equipment................. 478.2 412.8 409.4 419.3 418.5 390.3 367.6 362.1 368.8 368.1 36135 Molded case circuit breakers............. 1,016.8 954.7 916.6 959.4 952.4 948.2 879.2 925.6 935.1 993.3 36136 Duct, 1,000 volts and under.............. 200.1 189.1 184.2 193.6 187.8 152.2 131.9 140.8 148.0 133.0 36138 Relays, control circuit.................. (1) (1) (1) (1) (1) (1) (1) 421.8 429.5 485.0 36139 Switchgear, except ducts................. 1,459.3 r/ 1615.0 1,398.1 1,323.9 1,319.3 1,100.0 1,048.8 1,046.9 988.2 1,000.5 36251 Relays, general purpose 2/.............. 703.2 781.5 772.0 804.7 834.6 873.2 888.7 876.5 634.2 609.6 36252 Specific purpose industrial controls..... 2,124.1 r/ 1915.7 1,992.7 2,019.6 1,927.6 1,808.3 1,731.6 1,708.7 1,746.8 1,737.1 36253 General purpose industrial controls...... 2,998.7 2,778.2 2,878.6 2,911.5 2,970.5 2,655.2 2,402.6 2,252.4 2,190.5 2,268.6 36254 Motor controller accessories and parts... for industrial controls................. 444.3 447.9 434.1 452.4 502.7 458.5 429.4 442.7 380.5 384.9 r/ Revised by 5 percent or more from previously published figures. 1/ In 1987, data formerly included in product class 36138 00 were switched to product classes 36139, 36251, and 36254. Data for product code 36138 31 are now included in product class 36139. Data for product code 36138 34 are now included in product class 36251. Data for product code 36138 44 are now included in product class 36254. 2/ Prior to 1986, data for product class 36251 (formerly 36794), general purpose relays, was collected on survey MA36N, "Selected Electronic and Associated Products." Table 2. SHIPMENTS OF SWITCHGEAR, SWITCHBOARD APPARATUS, RELAYS AND INDUSTRIAL CONTROLS: 1993 and 1992 (Quantity in number of units; value in thousands of dollars) Product Product description 1993 1992 code No. of co. Quantity Value Quantity Value 363 -- SWITCHGEAR and SWITCHBOARD APPARATUS: ............................ NA) (X) 5,290,386 (X) 5,183,429 36132 - Power circuit breakers, all voltages..................................... 22 (X) 515,798 (X) r/ 480,805 36132 16 Power circuit breakers (sold separately) for use in metal- clad switchgear, oil and oilless, over 1,000 volts, (No. of breakers).............................................................. 7 2,407 20,275 2,853 22,238 36132 17 Parts for power circuit breakers for use in metal-clad switchgear.............................................................. 4 (X) (1) (X) (1) 36132 21 Power circuit breakers, free standing, oil and oilless, from 15.5 kV through 800 kV and above, (No. of breakers).................... 7 6,214 265,180 5,998 259,090 36132 22 Parts for power circuit breakers, free standing, oil and oilless, from 15.5 kV through 800 kV and above......................... 4 (X) 1/ 12,788 (X) 1/ r/ 12,283 36132 26 Power circuit breakers (sold separately) in individual enclosures and/or for use in low-voltage switchgear, 1,000 volts and below, excluding molded case circuit breakers (No. of breakers)............................................ 4 (2) (2) (2) (2) 36132 27 Parts for power circuit breakers in individual enclosures and/or for use in low-voltage switchgear, 1,000 volts and below, excluding molded case circuit breakers...................... 3 (X) (2) (X) (2) 36132 31 All other power circuit breakers (sold separately), oil and oilless, network protectors and automatic circuit reclosers.............................................................. 9 2/ 2,215,411 2/ 201,915 2/ 2,080,466 2/ 172,138 36132 32 Parts for all other power circuit breakers, oil and oilless, network protectors and automatic circuit reclosers..................... 7 (X) 15,640 (X) r/ 15,910 36133 - Low voltage panelboards, distribution boards, and other switching and interruption devices, 1,000 volts and below................................................... 119 (X) 1,620,190 (X) r/ 1,531,070 Panelboards, including enclosing cabinets: 36133 11 Fusible, including combination switch fuse........................... 47 1,348,177 121,861 1,289,148 120,085 36133 12 Circuit breaker...................................................... 55 824,430 340,717 868,943 342,340 Distribution switchboards: 36133 15 Fusible.............................................................. 34 35,002 87,121 27,976 87,238 36133 17 Circuit breaker...................................................... 48 a/ 76,746 a/ 247,998 r/ 63,072 219,790 36133 19 Other, including theater switchboards................................ 9 38,531 18,910 26,073 r/ 17,214 Switches (except switches commonly known as snap, toggle, and rotary switches and switch devices intended primarily to be used with electric motor controls): Knife switches, enclosed: 36133 21 Heavy duty......................................................... 11 1,576,046 136,515 1,017,509 126,038 36133 22 General duty....................................................... 11 1,441,371 54,682 1,057,856 36,151 36133 24 Enclosed fusible, service entrance, and branch circuit cutouts................................................... 7 395,371 6,256 (S) 3,185 36133 26 Circuit breaker type............................................... 17 8,725,805 251,308 6,659,643 188,963 Load centers: 36133 32 Grouped metering panels (combinations of two or more meters and related switching units with overcurrent protection associated with related switching units with overcurrent protection associated with each meter, including accessory components, excluding single socket load combinations)......................................... 15 344,751 25,203 (S) r/ 35,491 36133 33 Other switches, excluding snap, toggle, push, etc., including open knife switches, motor contact, motor disconnect, meter service equipment other than metermounting, and test devices.................................... 20 (X) 151,062 (X) r/ 139,704 36133 98 Other low voltage switchgear apparatus.................................. 29 (X) 178,557 (X) r/ 214,871 36134 - Fuses and fuse equipment, under 2,300 volts (except power distribution cutouts) .................................... 21 (X) 478,168 (X) 412,778 36134 31 Nonrenewable plug fuses................................................. 4 (X) 15,640 (X) 16,000 36134 51 Nonrenewable cartridge fuses............................................ 9 (X) 288,857 (X) 275,225 36134 71 Renewable plug and cartridge fuses, including renewable links......................................................... 5 (X) 5,118 (X) 4,815 36134 93 Other fuses and open fuse material, including cutouts, clips, bases, etc....................................................... 17 (X) 168,553 (X) 116,738 36135 - Molded case circuit breakers, 1,000 volts and under...................... 33 124,961,247 1,016,831 r/ 87,194,934 954,699 Industrial type, assembled as complete units in supporting and enclosing housing of insulating materials, with or without accessories or attachments: 36135 14 With ground fault detection capability............................... 9 (3) (3) (3) (3) 36135 16 Without ground fault detection capability............................ 14 3/ 24,839,427 3/ 496,377 3/ 17,874,723 3/ 480,603 Residential or light duty type, primarily for load center application, assembled as complete units in supporting and enclosing housing of insulating materials: 36135 18 With ground fault detection capability............................... 9 687,099 23,324 701,917 20,726 36135 19 Without ground fault detection capability............................ 9 52,233,643 248,500 46,674,157 r/ 219,957 36135 31 Individually enclosed industrial type, excluding panelboards and busway plugs.......................................... 17 6,870,918 15,488 7,588,489 r/ 21,896 Other molded case circuit breakers: 36135 91 Marine and Navy type................................................. 5 82,061 23,470 105,812 26,920 36135 92 Aircraft and aerospace............................................... 6 434,961 90,233 r/ 476,087 82,342 36135 93 Automotive........................................................... 3 (4) (4) (4) (4) 36135 94 Electronic........................................................... 6 4/ 28,309,792 4/ 96,740 4/ r/ 6,823,487 4/ r/ 67,316 36135 95 All other types...................................................... 10 11,503,346 22,699 6,951,262 34,939 36136 - Duct, including plug-in units and accessories, 1,000 volts and under, consisting of enclosed sectionalized prefabricated bus bars rated 20 amperes or more and associated structures and fittings............................................................ 25 2,552,751 200,083 r/ 2,881,318 189,126 36136 11 Busways................................................................ 23 1,478,257 189,845 (5) (5) 36136 31 Trolly-type and lighting distribution duct............................. 4 1,074,494 10,238 5/ r/ 2,881,318 5/ 189,126 36139 - Switchgear (except ducts)................................................ 123 (X) 1,459,316 (X) r/ 1,614,951 36139 07 Automatic and manual control panels (generators transformers, feed-controls, etc...................................... 63 (X) 250,742 (X) r/ 287,161 36139 09 Metal-clad switchgear (using power circuit breakers, oil and oiless), all voltages above 1,000 volts, up to and including 38 Kv, excluding load interrupter switchgear................. 37 (X) 305,727 (X) 332,351 36139 10 Metal-enclosed load interrupter switchgear assemblies, all voltages, including parts.......................................... 37 (X) 95,208 (X) 95,247 36139 13 Metal-enclosed low-voltage power circuit breaker switchgear assemblies 1,000 volts and below, including parts and excluding load interrupter switchgear........................ 32 (X) 143,517 (X) 141,396 36139 17 Metal-enclosed bus bars when sold separately, above 1,000 volts, including isolated, segregated, nonsegregated and cable bus bars..................................................... 19 (X) 41,477 (X) r/ 48,366 Power switching equipment, 2,300 volts and over, including attachments, auxiliaries, bus supports and fittings, and accessories, but excluding power fuses sold separately. Also includes single phase circuit reclosers: 36139 41 Outdoor, excluding structures........................................ 27 (X) 299,176 (X) r/ 292,540 36139 45 Indoor............................................................... 9 (X) 2,008 (X) 2,871 36139 51 Power fuses and fuse links for 2,300 volts and over, a.c. service, excluding distribution cut-outs................................ 11 (X) 20,833 (X) 110,685 36139 81 Power and ground connectors generally used in substation construction.............................................. 4 (X) (D) (X) (D) 36139 91 Overhead transmission and distribution connectors (clamps, taps, terminals, and splices)................................. 7 (X) 40,444 (X) 40,165 36139 93 Transmission and distribution connectors n.e.c., including underground deadends, hot line taps, stirrups, repair sleeves, etc........................................................... 5 (X) (D) (X) (D) 36139 83 Distribution cutouts.................................................... 9 (X) 96,103 (X) 96,019 36139 98 Other switchgear devices, including regulators and miscellaneous switchboard devices (for sale separately)................ 21 (X) a/ 80,848 (X) 92,827 3625 -- RELAYS and INDUSTRIAL CONTROLS: ......................................... (NA) (X) 6,270,419 (X) 5,923,281 36251 - General purpose and other relays......................................... 112 (X) 703,262 (X) 781,507 36251 01 Industrial control relays (all voltages) n.e.c.......................... 41 18,409,124 222,271 13,341,404 225,237 General purpose electromechanical relays: Over 100 MW actuating power and sealed (either hermetically or environmentally): 36251 03 0 through 2.0 amps contact rating.................................. 9 3,725,370 11,301 r/ 2,499,881 r/ 10,319 36251 04 Over 2.0 through 10.0 amps contact rating.......................... 14 498,530 11,285 r/ 454,336 r/ 12,512 36251 05 Over 10.0 amps contact rating...................................... 8 10,072,457 25,034 6,318,769 21,453 Over 100 MW actuating power and not sealed: 36251 06 0 through 2.0 amps contact rating.................................. 3 (6) (6) (6) (6) 36251 07 Over 2.0 through 10.0 amps contact rating.......................... 15 6/ 2,446,306 6/ 10,845 6/ 4,351,135 6/ 25,081 36251 08 Over 10.0 through 25.0 amps contact rating......................... 12 (8) (8) (7) (7) 36251 09 Over 25.0 contact rating........................................... 5 (8) (8) 7/ 7,220,621 7/ 24,202 36251 11 0 through 100 MW actuating power (both sealed and not sealed).................................................... 4 8/ 6,691,750 8/ 20,912 4,107,093 7,235 Miniature printed circuit mounted electromechanical relays (excluding reed relays) (profile height 1/2" max.): Sealed (either hermetically or environmentally): 36251 12 0 through 2.0 amps contact rating................................. 6 3,004,592 3,524 2,860,117 3,716 36251 13 Over 2.0 through 5.0 amps contact rating.......................... 3 (9) (9) (9) (9) 36251 14 Over 5.0 amps contact rating...................................... 6 9/ 359,081 9/ 5,686 9/ 278,796 9/ 6,091 Not sealed: 36251 16 0 through 2.0 amps contact rating................................. 5 (10) (10) (10) (10) 36251 17 Over 2.0 through 5.0 amps contact rating.......................... 2 (10) (10) (10) (10) 36251 18 Over 5.0 amps contact rating...................................... 4 10/ 10,424,996 10/ 13,683 10/ r/ 7,507,798 10/ r/ 10,103 DIP or SIP footprint 36251 19 Sealed (either hermetically or environmentally)...................... 4 (D) (D) (D) (D) 36251 21 Not sealed........................................................... - - - - - Telephone relays, all types: 36251 22 Sealed (either hermetically or environmentally)...................... 6 341,204 1,974 502,952 1,797 36251 23 Not sealed........................................................... 5 72,807 768 114,019 857 General purpose solid-state relays: Pure solid-state (excluding time delay): 36251 24 0 through 2.0 amps switch rating................................... 5 (11) (11) (11) (11) 36251 25 Over 2.0 through 10.0 amps switch rating........................... 7 (11) (11) (11) (11) 36251 26 Over 10.0 amps switch rating....................................... 1 (11) (11) (11) (11) Hybrid solid-state (excluding time delay): (11) (11) (11) (11) 36251 27 0 through 2.0 amps switch rating................................... 1 (11) (11) (11) (11) 36251 28 Over 2.0 through 10.0 amps switch rating........................... 1 (11) (11) (11) (11) 36251 29 Over 10.0 amps switch rating....................................... 1 11/ 1,734,012 11/ 9,429 11/ 2,771,827 11/ 19,477 High performance military/aerospace/aircraft relays and contactors (generally pertaining to Mil-R5757, 6106, 19523, 25108, and 39016): 36251 31 Round and square can multipole airframe relays and contactors (both sealed and not sealed) (all sizes)............. 7 624,616 38,760 r/ 915,878 r/ 52,286 Crystal can types (sealed): 36251 32 Larger than full size............................................. 5 275,537 16,940 445,583 24,112 36251 33 Full size......................................................... 4 177,144 6,716 193,771 10,264 36251 35 Half size......................................................... 4 (12) (12) (12) (12) 36251 38 Smaller than half size (including TO-5 package)................... 5 12/ 4,552,227 12/ 61,232 12/ r/ 3,658,556 12/ r/ 48,417 36251 52 RF, antenna and coaxial relays (sealed and not sealed) (excluding reed relays)............................................ 5 (D) (D) (D) (D) Reed relays: Dry reed: 36251 59 Miniature size (glass length less than .85 inches)................. 10 45,082,097 40,103 40,160,646 37,958 36251 61 Standard size...................................................... 9 107,398 566 1,551,929 2,603 Mercury wetted reed: 36251 62 Miniature size (glass length less than .85 inches)................. 6 (14) (14) (13) (13) 36251 63 Standard size...................................................... 5 (14) (14) 13/ 7,460,082 13/ 19,907 36251 69 Stepping switches, stepping and impulse relays.......................... 5 (14) (14) (15) (15) 36251 75 Switchgear and protective relays........................................ 4 14/ 13,837,037 14/ 40,935 15/ 23,235 15/ 26,371 Timing relays (timers): 36251 79 Solid-state/EMR combination........................................... 22 864,701 27,995 956,704 34,773 36251 81 Solid-state-pure...................................................... 13 271,319 5,989 r/ 306,574 r/ 6,043 36251 82 All other timing relays (timers) including pneumatic, motor driven, electronic, etc. ...................................... 18 980,790 24,914 2,023,497 r/ 32,390 36251 92 All other general purpose and special purpose relays n.e.c.............. 17 (X) 94,640 (X) 108,711 36251 96 Parts for general purpose and special purpose relays (sold separately)....................................................... 5 (X) (D) (X) (D) 36252 - Specific purpose industrial controls..................................... 211 (X) 2,124,102 (X) r/ 1,915,654 36252 45 U.S. Coast Guard, Navy, and Marine auxiliary controls and accessories........................................................ 21 (16) (16) (16) (16) 36252 47 Metal mill controls and accessories (all voltages)...................... 8 16/ 118,523 16/ 195,377 16/ 93,232 16/r/ 178,552 36252 48 Crane and hoist controls, constant and adjustable voltage, including operators' desks and stations................................ 20 10,951 55,862 r/ 15,875 r/ 44,986 36252 49 Definite purpose contactors and starters (600 volts and less)........... 14 7,933,454 89,124 5,028,916 73,628 Machine tool applications (motion controllers): Stand-alone controls for numerically controlled machine tools: 36252 51 Computer numerical controls (CNC); postioning (point-to-point)................................................. 10 (S) 12,512 (S) r/ 29,691 36252 55 Computer numerical controls(CNC); continuous path (contouring)..................................................... 11 33,507 127,594 r/ 21,604 r/ 106,069 36252 57 Robotic controls................................................... (S) (S) (S) (S) (S) Other stand-alone motion controls: 36252 61 Servo type...................................................... 8 (17) (17) (17) (17) 36252 63 Stepper type.................................................... 4 17/ 14,140 17/ 27,719 17/ 13,385 17/ 17,906 Subordinate motion controls: 36252 64 Programmable controller motion modules............................. 10 (S) (18) (S) (18) 36252 66 Bus motion modules................................................. 2 (S) (18) (S) (18) 36252 68 Chip level motion control devices.................................. 1 (S) (18) (S) (18) 36252 69 Other subordinate motion control devices........................... 2 (S) 18/ 15,475 (S) 18/ r/ 23,293 36252 71 Programmable controllers (sold separately)............................. 57 1,057,325 761,860 r/ 824,181 r/ 678,577 36252 76 Other specific or special purpose a.c. and d.c. controllers, other definite purpose devices...................................... 125 (X) 838,579 (X) 762,952 36253 - General purpose industrial controls and power circuit devices......................................................... 274 (X) 2,998,737 (X) 2,778,197 General purpose controls: AC full voltage non-combination magnetic starters (1000 volts of less): 36253 02 Designed and rated to U. S. National Standards(NEMA)................ 24 2,807,523 203,077 (19) (19) 36253 04 Designed and rated to International Standards(IEC).................. 13 75,703 7,558 19/ 9,470,336 19/ 154,806 AC full voltage combination magnetic starters (1000 volts of less): Combination starters, (less pumping panels): 36253 08 Designed and rated to U. S. National Standards(NEMA)............... 17 161,437 64,670 (20) (20) 36253 09 Designed and rated to International Standards(IEC)................. 6 33,912 4,767 20/ r/ 166,655 20/ 49,082 Pumping panels: 36253 11 Designed and rated to U. S. National Standards(NEMA)............... 19 39,615 20,926 (21) (21) 36253 12 Designed and rated to International Standards(IEC)................. 9 935 2,388 21/ 38,253 21/ 20,785 36253 06 Disconnect switches (600 volts and less).............................. 15 1,309,936 37,095 683,379 26,876 AC full voltage manual controllers, 1000 volts or less: 36253 23 Designed and rated to U. S. National Standards....................... 12 (22) (22) 336,129 27,728 36253 25 Designed and rated to International Standards........................ 5 22/ 882,569 22/ 45,169 r/ 267,101 r/ 5,624 AC contactors, 1,000 volts or less (Excluding controls for packaged adjustable speed drives and synchronous motor control): 36253 27 Designed and rated to U. S. National Standards.(NEMA)............... 14 335,761 53,435 784,867 38,230 36253 29 Designed and rated to International Standards.(IEC)................. 11 1,417,429 46,236 850,592 33,390 36253 14 AC reduced voltage controls, 1,000 volts or less (Excluding synchronous motor starters).......................................... 23 42,721 33,324 29,058 r/ 24,634 36253 15 Synchronous motor starters, 1,000 volts or less (Including both full and reduced voltage)....................................... 7 (23) (23) (23) (23) 36253 16 Motor control centers, 1,000 volts or less............................ 39 (X) 344,808 (X) r/ 335,304 36253 18 Starters and contactors for squirrel cage and wound rotor and synchronous and non-synchronous motors, over 1,000 - 7,200 volts, air break, vacuum, and oil immersed............. 14 64,355 67,090 r/ 98,397 65,995 36253 21 Brakes and clutches................................................... 18 115,736 65,015 978,246 64,724 36253 34 Digital readout systems, including dial or plugboard type............. 15 11,304 4,937 18,853 11,494 Presence sensors and motion measurement devices: Limit switches (positioning sensors): 36253 32 Electromechanical positioning sensors................................ 29 (X) 112,052 (X) r/ 111,651 36253 33 Movement sensors..................................................... 16 (X) 27,776 (X) r/ 25,470 Solid-state positioning sensors: 36253 35 Non-optical proximity sensors........................................ 15 (X) 69,636 (X) r/ 59,921 36253 36 Optical proximity sensors............................................ 12 (X) 36,172 (X) r/ 33,782 36253 37 All other pilot circuit devices, excluding relays and limit switches........................................................ 13 (X) 17,625 (X) 20,312 36253 38 DC power circuit devices (all voltages)................................ 12 (X) 15,091 (X) r/ 14,503 36253 39 Other control sensors (all voltages)................................... 18 (X) 96,072 (X) 83,285 Pushbuttons and pushbutton stations, but excluding operators' desks and stations: 36253 41 Pushbuttons, explosion proof - Classes I, II, and III - Division I.......................................................... 6 (X) (24) (X) (24) Non-explosion proof and other 36253 42 Pushbuttons, 18mm and smaller...................................... 9 (X) 3,596 (X) 5,096 36253 46 Pushbuttons, 19mm to 29mm.......................................... 16 (X) 46,742 (X) 33,932 36253 48 Pushbuttons, 30mm and larger....................................... 18 (X) 172,911 (X) 200,158 36253 81 Rheostats and resistors (except for electronic applications) sold separately, n.e.c. .............................................. 13 (X) 32,293 (X) 36,207 Controls for adjustable speed drives, including electronic and nonelectric and operators' desks and stations: 36253 83 Controls for AC packaged drives..................................... 32 169,721 231,127 104,246 209,197 36253 84 Controls for DC packaged drives..................................... 25 456,409 106,728 375,628 87,553 36253 85 AC drives systems................................................... 24 60,386 143,241 42,248 113,850 36253 86 DC drives systems................................................... 25 401,113 153,943 342,984 149,369 Motion/position drive amplifiers: 36253 73 AC (ECM) drive amplifiers.......................................... 2 (25) (25) (25) (25) 36253 75 DC drive amplifiers................................................ 3 (25) (25) (25) (25) 36253 77 Stepper drive amplifiers........................................... 1 (25) (25) (25) (25) 36253 93 Solid-state contactors (all voltages).................................. 8 (25) (25) (25) (25) 36253 98 Solid-state motor controllers (all voltages)........................... 47 25/ 2,150,582 25/ 160,672 25/ r/ 1,475,032 25/ r/ 127,416 36253 99 All other general industry devices and systems......................... 89 (X) 23/ 24/ 572,565 (X) 23/ 24/ 607,823 36254 - Motor controller accessories and parts for industrial controls................................................................ 123 (X) 444,318 (X) 447,923 36254 91 Motor controller accessories, including those items which are sold separately, but become part of a motor controller. Includes overload relays, auziliary contacts, heater elements, mechanical interlocks, control transformers, kits to add push buttons, selector switches, pilot lights, separate controller enclosure fittings, reset mechanisms, etc., excluding motor circuit switches sold separately....................................................... 33 (X) 100,558 (X) r/ 124,157 36254 97 Parts for industrial controls.......................................... 104 (X) 343,760 (X) 323,766 (D) Data withheld to avoid disclosing figures for individual companies. (X) Not applicable. (NA) Not available. (N.e.c.) Not elsewhere classified. - Represents zero. r/ Revised by 5 percent or more from previously published figures. a/ 10 to 25 percent of this item has been estimated. (S) Withheld because data did not meet publication standards. 1/ Data for product code 36132 17 are included with product code 36132 22 to avoid disclosing data for individual companies. 2/ Data for product codes 36132 26 and 36132 27 are included with product code 36132 31 to avoid disclosing data for individual companies. 3/ Data for product code 36135 14 are included with product code 36135 16 to avoid disclosing data for individual companies. 4/ Data for product code 36135 93 are included with product code 36135 94 to avoid disclosing data for individual companies. 5/ For 1992, data for product code 36136 11 are included with product code 36136 31 to avoid disclosing data for individual companies. 6/ Data for product code 36251 06 are included with product code 36251 07 to avoid disclosing data for individual companies. 7/ For 1992, data for product code 36251 08 are included with product code 36251 09 to avoid disclosing data for individual companies. 8/ For 1993, data for product codes 36251 08 and 36251 09 are included with product code 36251 11 to avoid disclosing data for individual companies. 9/ Data for product code 36251 13 are included with product code 36251 14 to avoid disclosing data for individual companies. 10/ Data for product codes 36251 16 and 36251 17 are included with product code 36251 18 to avoid disclosing data for individual companies. 11/ Data for product codes 36251 24, 36251 25, 36251 26, 36251 27, and 36251 28 are included with product code 36251 29 to avoid disclosing data for individual companies. 12/ Data for product code 36251 35 are included with product code 36251 38 to avoid disclosing data for individual companies. 13/ For 1992, data for product code 36251 62 are included with product code 36251 63 to avoid disclosing data for individual companies. 14/ For 1993, data for product codes 36251 62, 36251 63, and 36251 69 are included with product code 36251 75 to avoid disclosing data for individual companies. 15/ For 1992, data for product code 36251 69 are included with product code 36251 75 to avoid disclosing data for individual companies. 16/ Data for product code 36252 45 are included with product code 36252 47 to avoid disclosing data for individual companies. 17/ Data for product code 36252 61 are included with product code 36252 63 to avoid disclosing data for individual companies. 18/ Data for product codes 36252 64, 36252 66, and 36252 68 are included with product code 36252 69 to avoid disclosing data for individual companies. 19/ For 1992, data for product code 36253 02 are included with product code 36253 04 to avoid disclosing data for individual companies. 20/ For 1992, data for product code 36253 08 are included with product code 36253 09 to avoid disclosing data for individual companies. 21/ For 1992, data for product code 36253 11 are included with product code 36253 12 to avoid disclosing data for individual companies. 22/ For 1993, data for product code 36253 23 are included with product code 36253 25 to avoid disclosing data for individual companies. 23/ Data for product code 36253 15 are included with product code 36253 99 to avoid disclosing data for individual companies. 24/ Data for product code 36253 41 are included with product code 36253 99 to avoid disclosing data for individual companies. 25/ Data for product codes 36253 73, 36253 75, 36253 77, and 36253 93 are included with product code 36251 29 to avoid disclosing data for individual companies. Table 3A. SHIPMENTS, EXPORTS, IMPORTS, AND APPARENT CONSUMPTION OF SWITCHGEAR, SWITCHBOARD APPARATUS, RELAYS, AND INDUSTRIAL CONTROLS: 1993 (Value in thousands of dollars) Exports of Manufacturers' domestic Imports shipments merchandise for Product Product description (value f.o.b. Value at consump- code plant) port 1/ tion 2/ 36132 16, 21, Power circuit breakers....................... (3) (3) 109,403 26, 31 36132 17, 22, Parts for power circuit breakers............. 3/ 515,798 3/ 220,567 33,243 27, 32 36133 11, 12, Low voltage panelboards and distribution 15, 17, 19 boards..................................... 816,607 60,874 94,491 36133 21, 22 Knife switches............................... 191,197 5,331 480 36134 00 Fuses and fuse equipment, under 2300 volts... 478,168 74,633 49,652 36135 00 Molded case circuit breakers, 1,000 volts and under................................... 1,016,831 81,990 149,605 36136 00 Duct, including plug-in units and accessories 200,083 27,810 (NA) 36139 07, 09, 10 Switchgear and switchgear assemblies......... 1,314,806 108,670 297,274 13, 17, 41, 45 83, 98 36139 51 Power fuses and fuse links, 2300 volts and over 20,833 11,101 2,353 36139 81, 91, 93 Power and ground connectors; and transmission and distribution connectors................... 123,677 139,825 105,059 36251 01, 03, 04 Relays......................................... 700,925 354,547 562,695 05, 06, 07, 08 09, 11, 12, 13 14, 16, 17, 18 19, 22, 23, 24 25, 26, 28, 29 31, 32, 33, 35 38, 52, 59, 61 62, 63, 69, 75 79, 81, 82, 92 36252 51, 55 Controls for numerically controlled machine tools 140,106 17,127 40,871 36252 71 Programmable controllers........................ 761,860 123,970 506,083 36253 01, 03, Motor starters.................................. (NA) 25,286 16,713 05, 15 36253 16 Motor control centers, 1000 volts or less....... 344,808 39,076 21,091 36253 21 Brakes and clutches............................. 65,015 23,121 28,013 36253 32, 33 Limit switches.................................. 139,828 7,949 23,263 36253 81 Rheostats and resistors......................... 32,293 3,046 2,663 (NA) Not available. 1/ Source: U.S. Bureau of the Census report EM 545, U.S.Exports. 2/ Source: U.S. Bureau of the Census report IM 145, U.S.Imports for Consumption. 3/ Data for power circuit breakers are combined with parts for power circuit breakers to avoid disclosing data for individual companies. Table 3B. SHIPMENTS, EXPORTS, IMPORTS, AND APPARENT CONSUMPTION OF SWITCHGEAR, SWITCHBOARD APPARATUS, RELAYS, AND INDUSTRIAL CONTROLS: 1992 (Value in thousands of dollars) Exports of Manufacturers' domestic Imports shipments merchandise for Product Product description (value f.o.b. Value at consump- code plant) port 1/ tion 2/ 36132 16, 21, Power circuit breakers........................... (3) (3) 110,806 26, 31, 36132 17, 22, Parts for power circuit breakers................. 3/ r/ 481,659 3/ 213,076 29,539 27, 32, 36133 11, 12, Low voltage panelboards and distribution 15, 17, 19 boards......................................... 786,667 68,651 60,419 36133 21, 22 Knife switches................................... 162,189 3,263 436 36134 00 Fuses and fuse equipment, under 2300 volts....... 412,778 79,897 50,392 36135 00 Molded case circuit breakers, 1,000 volts and under........................................... 954,699 74,060 133,230 36136 00 Duct, including plug-in units and accessories.... 189,126 20,378 (NA) 36139 07, 09, 10 Switchgear and switchgear assemblies............. r/ 1,388,778 119,178 83,363 13, 17, 41, 45 83, 98 36139 51 Power fuses and fuse links, 2300 volts and over.. 110,685 12,424 997 36139 81, 91, Power and ground connectors; and transmission 93 and distribution connectors.................... 115,488 139,490 111,509 36251 01, 03, 04 Relays........................................... 779,345 263,229 490,310 05, 06, 07, 08 09, 11, 12, 13 14, 16, 17, 18 19, 22, 23, 24 25, 26, 28, 29 31, 32, 33, 35 38, 52, 59, 61 62, 63, 69, 75 79, 81, 82, 92 36252 51, 55 Controls for numerically controlled machine tools r/ 135,760 19,714 36,001 36252 71 Programmable controllers......................... r/ 678,577 100,042 88,171 36253 01, 03, Motor starters................................... (NA) 21,777 14,968 05, 15 36253 16 Motor control centers, 1000 volts or less........ r/ 335,304 52,203 18,965 36253 21 Brakes and clutches.............................. 64,724 21,284 24,612 36253 32, 33 Limit switches................................... r/ 137,121 7,625 15,553 36253 81 Rheostats and resistors.......................... 36,207 3,318 2,500 (NA) Not available. 1/ Source: U.S. Bureau of the Census report EM 545, U.S.Exports. 2/ Source: U.S. Bureau of the Census report IM 145, U.S.Imports for Consumption. 3/ Data for power circuit breakers are combined with parts for power circuit breakers to avoid disclosing data for individual companies. Table 4. COMPARISON OF STANDARD INDUSTRIAL CLASSIFICATION-BASED PRODUCT CODES WITH SCHEDULE B EXPORT NUMBERS, AND HTSUSA IMPORT NUMBERS: 1993 Product Product description Export Import code number 1/ number 2/ 36132 16, 21, 26, 31 Power circuit breakers 8536.20.0040 8536.20.0040 8535.21.0000 8535.21.0000 8535.29.0020 8535.29.0020 8535.29.0040 8535.29.0040 36132 17, 22, 27, 32 Parts for power circuit breakers 8538.90.0020 8538.90.2000 36133 11, 12, 15, 17, Low voltage panelboards and distribution boards 8537.10.0050 8537.10.9050 19 36133 21, 22 Knife switches 8536.50.0045 8536.50.8045 36133 32, 98 Grouped metering panels, including accessory 8537.10.0020 8537.10.9020 components and other low voltage swithchgear apparatus 36134 00 Fuses and fuse equipment, under 2300 volts 8535.10.0040 8535.10.0040 8536.10.0020 8536.10.0020 8536.10.0040 8536.10.0040 36135 00 Molded case circuit breakers, 1,000 volts and under 8536.20.0020 8536.20.0020 36136 00 Duct, including plug-in units and accessories 8536.90.0010 8536.90.0010 36139 07, 09, 10, 13, Switchgear, including switchgear assemblies and 8537.20.0020 8537.20.0020 41, 45, 83, 98 power switching equipment, excluding power fuses 36139 51 Power fuses and fuse links, 2300 volts and over 8535.10.0020 8535.10.0020 36139 81, 91, 93 Power and ground connectors; and transmission 8535.90.0040 8535.90.8040 and distribution connectors, n.e.c. 36251 01, 03, 04, 05, Relays 8536.41.0005 8536.41.0005 06, 07, 08, 09, 11, 8536.41.0020 8536.41.0020 12, 13, 14, 16, 17, 8536.41.0030 8536.41.0030 18, 19, 22, 23, 24, 8536.41.0045 8536.41.0045 25, 26, 28, 29, 31, 8536.41.0050 8536.41.0050 32, 33, 35, 38, 52, 8536.41.0060 8536.41.0060 59, 61, 62, 63, 69, 8536.49.0050 8536.49.0050 75, 79, 81, 82, 92 8536.49.0055 8536.49.0055 8536.49.0065 8536.49.0065 8536.49.0075 8536.49.0075 8536.49.0080 8536.49.0080 36252 51, 55 Controls for numerically controlled machine tools 8537.10.0030 8537.10.9030 36252 71 Programmable controllers 8537.10.0060 8537.10.9060 36253 02, 04, 08, 09, Motor starters 8536.50.0010 8536.50.4000 11, 12, 15 36253 16 Motor control centers, 1000 volts or less 8537.10.0040 8537.10.6000 36253 21 Brakes and clutches 8505.20.0000 8505.20.0000 36253 32, 33 Limit switches 8536.50.0055 8536.50.0055 36253 81 Rheostats and resistors 8533.40.4000 8533.40.4000 1/ Source: 1993 edition, "Harmonized System-Based Schedule B, Statistical Classification of Domestic and Foreign Commodities Exported from the United States." 2/ Source: "Harmonized Tariff Schedule of the United States, Annotated (1993)". 45, U.S.Imports for