CURRENT INDUSTRIAL REPORTS SWITCHGEAR, SWITCHBOARD APPARATUS, RELAYS, AND INDUSTRIAL CONTROLS - 1995 MA36A(95)-1 Issued October 25, 1996 Contact: Wanda Sledd 301-457-4790 SUMMARY OF FINDINGS During 1995, the total value of shipments of switchgear and switchboard apparatus was $6.0 billion, up 5 percent from the 1994 value of $5.7 billion. The 1995 shipments include power circuit breakers valued at $427.1 million, a decrease of 23 percent from 1994; low voltage panelboards, valued at $2.0 billion, an increase of 14 percent from 1994; fuses and fuse equipment, valued at $423.3 million, an increase of 11 percent from 1994; molded case circuit breakers, valued at $1.2 billion, an increase of 4 percent from 1994; duct, valued at $239.4 million, an increase of 5 percent from 1994; and switchgear valued at $1.7 billion, an increase of 4 percent from 1994. During 1995, the total value of shipments of relays and industrial controls was $8.6 billion, up 9 percent from the 1994 value of $7.9 billion. The 1995 shipments include general-purpose relays valued at $741.7 million, a decrease of 8 percent from 1994; specific-purpose industrial controls, valued at $3.2 billion, an increase of 16 percent from 1994; general-purpose industrial controls, valued at $4.2 billion, an increase of 10 percent from 1994; and motor controller accesories valued at $498.5 million, a decrease of 3 percent, from 1994. Table 1. VALUE OF SHIPMENTS OF SWITCHGEAR, SWITCHBOARD APPARATUS, RELAYS, AND INDUSTRIAL CONTROLS: 1986 to 1995 (Millions of unadjusted dollars) Product code Product description 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 36132 Power circuit breakers................. 427.1 550.9 520.8 480.8 368.5 387.6 393.4 386.0 372.8 377.9 36133 Low-voltage panelboards................ 1,996.0 1,750.8 1,687.1 1,531.1 1,642.6 1,722.3 1,747.2 1,663.5 1,569.3 1,552.0 36134 Fuses and fuse equipment............... 423.3 r/ 382.1 319.9 412.8 409.4 419.3 418.5 390.3 367.6 362.1 36135 Molded case circuit breakers........... 1,175.3 1,132.9 1,009.8 954.7 916.6 959.4 952.4 948.2 879.2 925.6 36136 Duct, 1,000 volts and under............ 239.4 227.9 200.1 189.1 184.2 193.6 187.8 152.2 131.9 140.8 36139 Switchgear, except ducts............... 1,725.7 1,663.7 1,581.3 1,615.0 1,398.1 1,323.9 1,319.3 1,100.0 1,048.8 1,046.9 36251 Relays, general purpose................ 741.7 r/ 804.0 750.6 781.5 772.0 804.7 834.6 873.2 888.7 876.5 36252 Specific purpose industrial controls... 3,178.3 2,747.9 2,321.6 1,915.7 1,992.7 2,019.6 1,927.6 1,808.3 1,731.6 1,708.7 36253 General purpose industrial controls.... 4,195.4 3,840.3 3,326.3 2,778.2 2,878.6 2,911.5 2,970.5 2,655.2 2,402.6 2,252.4 36254 Motor controller accessories and parts for industrial controls............. 498.5 511.6 476.4 447.9 434.1 452.4 502.7 458.5 429.4 442.7 r/Revised by 5 percent or more from previously published figures. Table 2. SHIPMENTS OF SWITCHGEAR, SWITCHBOARD APPARATUS, RELAYS AND INDUSTRIAL CONTROLS: 1995 and 1994 (Quantity in number of units. Value in thousands of dollars) Product description 1995 1994 Product No. of code cos. Quantity Value Quantity Value 3613 -- SWITCHGEAR and SWITCHBOARD APPARATUS: .............................. (NA) (X) 5,986,805 (X) 5,708,383 36132 - Power circuit breakers, all voltages................................ 30 (X) 427,095 (X) 550,922 36132 16 Power circuit breakers (Sold separately) for use in metal- clad switchgear, oil and oilless, over 1,000 volts, (No. of breakers)..................................................... 10 3,697 38,032 2,720 28,265 36132 17 Parts for power circuit breakers for use in metal-clad switchgear.................................................... 6 (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)........... 8 3,459 166,373 6,308 267,910 36132 22 Parts for power circuit breakers, free standing, oil and oilless, from 15.5 kV through 800 kV and above................ 2 (X) 1/ 6,129 (X) 1/ 10,032 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).................................. 9 (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)........... 5 (X) 2,022 (X) 1,365 36132 31 All other power circuit breakers (Sold separately), oil and oilless, network protectors and automatic circuit reclosers..................................................... 8 2/ 1,786,187 2/ 180,248 2/r/ 2,074,237 2/ 190,776 36132 32 Parts for all other power circuit breakers, oil and oilless, network protectors and automatic circuit reclosers............ 10 (X) 34,291 (X) r/ 52,574 36133 - Low voltage panelboards, distribution boards, and other switching and interrupting devices, 1,000 volts and below............................................ 128 (X) 1,995,957 (X) 1,750,820 Panelboards, including enclosing cabinets: 36133 11 Fusible, including combination switch fuse.................... 48 1,675,675 141,634 1,467,276 141,607 36133 12 Circuit breaker............................................... 52 931,466 425,407 r/ 833,821 359,070 Distribution switchboards: 36133 15 Fusible....................................................... 32 34,839 105,379 30,341 89,401 36133 17 Circuit breaker............................................... 45 89,204 311,411 r/ 67,944 259,906 36133 19 Other (Including theater switchboards)........................ 9 24,054 10,671 26,932 14,091 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.................................................. 12 1,744,154 172,825 1,546,964 r/ 140,875 36133 22 General duty................................................ 8 1,516,609 66,304 1,417,138 53,272 36133 24 Enclosed fusible, service entrance, and branch circuit cutouts.......................................... 9 (S) 19,815 834,273 10,662 36133 26 Circuit breaker type........................................ 17 9,179,504 294,481 10,381,505 260,457 Load centers: 36133 32 Grouped metering panels (Combinations of two or more meters and related switching units with overcurrent protection associated with each meter, including accessory components,excluding single socket load combinations)................................. 17 487,060 34,805 410,658 26,910 36133 33 Other switches (Excluding snap, bolted, toggle, push, etc., including open knife switches, motor contact, motor disconnect, meter service equipment other than metermounting, and test devices).......................... 25 (X) 206,589 (X) 182,755 36133 98 Other low voltage switchgear apparatus........................... 31 (X) 206,636 (X) r/ 211,814 36134 - Fuses and fuse equipment, under 2,300 volts (Except power distribution cutouts) ............................. 22 (X) 423,315 (X) r/ 382,125 36134 31 Nonrenewable plug fuses.......................................... 4 (X) 4,320 (X) 11,444 36134 51 Nonrenewable cartridge fuses..................................... 11 (X) 188,797 (X) 147,720 36134 71 Renewable plug and cartridge fuses, including renewable links............................................... 3 (X) (3) (X) (3) 36134 93 Other fuses and open fuse material, including cutouts, clips, bases, etc............................................. 18 (X) 3/ 230,198 (X) 3/r/ 222,961 36135 - Molded case circuit breakers, 1,000 volts and under................. 33 136,368,314 1,175,322 125,519,799 1,132,905 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........................ 13 (S) 24,174 r/ 88,864 12,442 36135 16 Without ground fault detection capability..................... 17 29,277,540 574,309 r/ 25,264,870 546,394 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........................ 8 985,705 29,184 r/ 946,087 r/ 28,524 36135 19 Without ground fault detection capability..................... 9 58,228,182 287,717 r/ 57,589,656 273,086 36135 31 Individually enclosed industrial type, excluding panelboards and busway plugs.................................. 14 8,173,643 17,430 7,347,350 r/ 18,316 Other molded case circuit breakers: 36135 91 Marine and Navy type.......................................... 4 (4) (4) (4) (4) 36135 92 Aircraft and aerospace........................................ 6 4/ 1,067,767 4/ 114,567 4/ 965,347 4/ 112,799 36135 93 Automotive.................................................... 2 (5) (5) (5) (5) 36135 94 Electronic.................................................... 4 5/ 31,379,273 5/ 103,971 5/r/ 27,755,995 5/ 114,540 36135 95 All other types............................................... 11 (S) 23,970 5,561,630 26,804 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..................................................... 27 2,299,307 239,402 2,850,298 227,947 36136 11 Busways.......................................................... 24 1,646,894 234,778 1,455,323 217,167 36136 31 Trolly-type and lighting distribution duct....................... 5 652,413 4,624 1,394,975 10,780 36139 - Switchgear, except ducts............................................ 132 (X) 1,725,714 (X) 1,663,664 36139 07 Automatic and manual control panels (Generators transformers, feed-controls, etc.............................. 70 (X) 296,781 (X) 271,967 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........ 44 (X) 303,081 (X) 320,687 36139 10 Metal-enclosed load interrupter switchgear assemblies, all voltages, including parts................................. 41 (X) 129,170 (X) r/ 106,543 36139 13 Metal-enclosed low-voltage power circuit breaker switchgear assemblies 1,000 volts and below, including parts and excluding load interrupter switchgear............... 34 (X) 143,326 (X) 155,140 36139 17 Metal-enclosed bus bars when sold separately, above 1,000 volts, including isolated, segregated, nonsegregated and cable bus bars............................................ 18 (X) 32,368 (X) 36,035 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................................. 30 (X) 324,883 (X) 308,455 36139 45 Indoor........................................................ 9 (X) 1,873 (X) 2,626 36139 51 Power fuses and fuse links for 2,300 volts and over, a.c. service, excluding distribution cut-outs...................... 14 (X) (6) (X) (6) 36139 81 Power and ground connectors generally used in substation construction....................................... 6 (X) 6/ 135,268 (X) 6/ 122,583 36139 91 Overhead transmission and distribution connectors (Clamps, taps, terminals, and splices)........................ 6 (X) 41,141 (X) 40,215 36139 93 Transmission and distribution connectors n.e.c., including underground deadends, hot line taps, stirrups, repair sleeves, etc.................................................. 5 (X) (7) (X) (7) 36139 83 Distribution cutouts............................................. 9 (X) 103,067 (X) 98,010 36139 98 Other switchgear devices, including regulators and miscellaneous switchboard devices (For sale separately)....... 24 (X) 7/ 214,756 (X) 7/r/ 201,403 3625 -- RELAYS and INDUSTRIAL CONTROLS: .................................... (NA) (X) 8,613,940 (X) 7,903,849 36251 - General purpose and other relays.................................... 116 (X) 741,747 (X) r/ 804,023 36251 01 Industrial control relays (All voltages) n.e.c................... 44 15,639,998 230,352 r/ 21,363,244 r/ 245,392 General purpose electromechanical relays: Over 100 MW actuating power and sealed (Either hermetically or environmentally): 36251 03 0 through 2.0 amps contact rating.......................... 8 (8) (8) 1,176,038 5,423 36251 04 Over 2.0 through 10.0 amps contact rating..................... 15 8/ 2,315,239 8/ 14,823 r/ 2,190,774 r/ 11,571 36251 05 Over 10.0 amps contact rating................................. 7 11,632,708 31,885 11,768,254 30,831 Over 100 MW actuating power and not sealed: 36251 02 0 through 10.0 amps contact rating......................... 12 2,801,349 13,684 r/ 3,296,818 r/ 14,840 36251 10 Over 10.0 amps contact rating................................. 12 (S) (9) (9) (9) 36251 11 0 through 100 MW actuating power (Both sealed and not sealed)............................................ 2 (S) 9/ 9,554 9/ 4,440,267 9/ 15,566 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.......................... 5 2,859,004 3,591 4,838,343 10,476 36251 15 Over 2.0 amps contact rating............................... 4 (D) (D) (D) (D) 36251 20 Not sealed ................................................... 5 (D) (D) (D) (D) DIP or SIP footprint 36251 19 Sealed (Either hermetically or environmentally)............... 2 (D) (D) (D) (D) Telephone relays, all types: 36251 22 Sealed (Either hermetically or environmentally)............... 4 648,744 1,038 166,743 644 36251 23 Not sealed.................................................... 5 32,008 471 50,090 438 36251 30 General purpose solid-state relays, pure solid-state and hybrid solid-state (Excluding time delay) .................... 12 4,243,935 19,502 2,642,462 12,982 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).... 6 498,165 23,056 651,794 40,533 Crystal can types (Sealed): 36251 32 Larger than full size...................................... 5 291,541 19,900 247,146 13,853 36251 33 Full size.................................................. 5 151,661 10,541 140,109 6,096 36251 37 Half size and smaller (Including TO-5 package)............. 4 (10) (10) (10) (10) 36251 52 RF, antenna and coaxial relays (sealed and not sealed) (Excluding reed relays).................................... 4 10/ 1,472,493 10/ 44,471 10/r/ 4,659,984 10/r/ 77,016 Reed relays: Dry reed: 36251 59 Miniature size (Glass length less than .85 inches)......... 9 22,818,078 37,235 19,591,877 30,187 36251 61 Standard size.............................................. 7 (11) (11) (11) (11) 36251 66 Mercury wetted reed .......................................... 7 (11) (11) (11) (11) 36251 69 Stepping switches, stepping and impulse relays................... 4 (11) (11) (11) (11) 36251 75 Switchgear and protective relays................................. 6 11/ 597,668 11/ 30,863 11/r/ 614,778 11/r/ 22,948 Timing relays (Timers): 36251 79 Solid-state/EMR combination................................... 24 1,002,467 31,599 833,138 25,860 36251 81 Solid-state-pure.............................................. 12 241,775 3,276 r/ 355,382 r/ 6,745 36251 82 All other timing relays (Timers) including pneumatic, motor driven, electronic, etc. ............................ 17 951,362 25,025 975,072 r/ 26,504 36251 92 All other general purpose and special purpose relays n.e.c....... 22 (X) 147,452 (X) r/ 157,560 36251 96 Parts for general purpose and special purpose relays (Sold separately)............................................. 8 (X) 23,304 (X) r/ 26,569 36252 - Specific purpose industrial controls................................ 246 (X) 3,178,315 (X) 2,747,855 36252 45 U.S. Coast Guard, Navy, and Marine auxiliary controls and accessories............................................... 23 82,666 126,854 r/ 72,849 140,527 36252 47 Metal mill controls and accessories (All voltages)............... 8 (D) (D) (D) (D) 36252 48 Crane and hoist controls, constant and adjustable voltage, including operators' desks and stations....................... 21 51,163 101,339 36,775 85,926 36252 49 Definite purpose contactors and starters (600 volts and less).... 17 10,694,743 153,502 9,440,212 133,909 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) 20,158 9,793 r/ 16,795 36252 55 Computer numerical controls(CNC); continuous path (Contouring)............................................ 12 31,451 216,771 29,116 r/ 175,736 36252 57 Robotic controls........................................... (S) (S) (S) (S) (S) 36252 58 Other stand-alone motion controls ......................... 13 26,899 61,387 16,509 59,504 36252 60 Subordinate motion controls .................................. 12 84,259 14,761 85,606 12,043 36252 71 Programmable controllers (Sold separately)....................... 65 4,458,256 1,211,098 2,733,422 941,156 36252 76 Other specific or special purpose a.c. and d.c. controllers, other definite purpose devices................................ 150 (X) 1,194,580 (X) 1,081,348 36253 - General purpose industrial controls and power circuit devices.................................................. 271 (X) 4,195,399 (X) 3,840,346 General purpose controls: 36253 01 AC full voltage non-combination magnetic starters (1,000 volts or less) ............................................ 23 1,312,410 169,501 1,249,373 175,778 AC full voltage combination magnetic starters (1,000 volts or less): 36253 03 Combination starters, (Less pumping panels) ............... 20 216,181 85,785 r/ 206,537 r/ 77,638 36253 05 Pumping panels ............................................ 20 41,759 29,101 r/ 41,335 26,828 36253 06 Disconnect switches (600 volts or less)....................... 19 2,031,609 58,586 1,825,812 50,523 AC full voltage manual controllers, 1,000 volts or less: 36253 23 Designed and rated to U. S. National Standards (NEMA) ..... 12 797,233 44,967 r/ 716,224 43,823 36253 25 Designed and rated to International Standards (IEC) ....... 7 249,937 4,636 236,815 4,449 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)...... 15 380,734 59,345 368,296 53,410 36253 29 Designed and rated to International Standards (IEC) ....... 14 1,994,601 74,675 1,867,181 58,794 36253 14 AC reduced voltage controls, 1,000 volts or less (Excluding synchronous motor starters)................................ 21 79,324 56,008 r/ 58,214 r/ 41,069 36253 15 Synchronous motor starters, 1,000 volts or less (Including both full and reduced voltage)............................. 7 1,407 1,087 1,893 r/ 1,253 36253 16 Motor control centers, 1,000 volts or less.................... 36 (X) 419,611 (X) r/ 373,672 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... 10 65,565 80,659 47,083 72,834 36253 21 Brakes and clutches........................................... 18 872,058 61,480 r/ 730,612 57,874 36253 34 Digital readout systems, including dial or plugboard type..... 18 10,026 10,446 15,263 14,426 Presence sensors and motion measurement devices: Limit switches (Positioning sensors): 36253 32 Electromechanical positioning sensors...................... 27 (X) 138,477 (X) r/ 98,867 36253 33 Movement sensors........................................... 18 (X) 36,074 (X) r/ 24,984 Solid-state positioning sensors: 36253 35 Non-optical proximity sensors.............................. 16 (X) 72,783 (X) r/ 71,170 36253 36 Optical proximity sensors.................................. 17 (X) 131,183 (X) r/ 139,905 36253 37 All other pilot circuit devices (Excluding relays and limit switches)............................................ 11 (X) 14,630 (X) r/ 21,717 36253 38 DC power circuit devices (All voltages)....................... 13 (X) 58,151 (X) r/ 56,665 36253 39 Other control sensors (All voltages).......................... 17 (X) 116,561 (X) 96,616 Pushbuttons and pushbutton stations but excluding operators' desks and stations: 36253 42 Pushbuttons, 18mm and smaller.............................. 7 (X) (12) (X) r/ 3,677 36253 46 Pushbuttons, 19mm to 29mm.................................. 17 (X) 12/ 61,661 (X) 39,369 36253 48 Pushbuttons, 30mm and larger............................... 22 (X) 233,592 (X) r/ 225,153 36253 81 Rheostats and resistors (Except for electronic applications) sold separately, n.e.c. ................................... 13 (X) 34,822 (X) 40,195 Controls for adjustable speed drives (Including electronic and nonelectric and operators' desks and stations): 36253 83 Controls for AC packaged drives............................ 32 365,839 327,640 r/ 270,287 r/ 296,884 36253 84 Controls for DC packaged drives............................ 28 558,492 160,286 531,774 136,005 36253 85 AC drives systems.......................................... 30 89,243 220,446 58,229 188,302 36253 86 DC drives systems.......................................... 28 753,337 174,588 r/ 776,120 163,760 36253 98 Solid-state motor controllers (All voltages).................. 48 4,684,989 251,995 r/ 3,769,814 r/ 185,936 36253 99 All other general industry devices and systems................ 98 (X) 1,006,623 (X) r/ 998,770 36254 - Motor controller accessories and parts for industrial controls......................................................... 124 (X) 498,479 (X) 511,625 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).............................................. 36 (X) 145,649 (X) r/ 168,109 36254 97 Parts for industrial controls.................................... 108 (X) 352,830 (X) r/ 343,516 1/ Data for product codes 36132 17 and 36132 22 combined to avoid disclosing data for individual companies. 2/ Data for product codes 36132 26 and 36132 31 combined to avoid disclosing data for individual companies. 3/ Data for product codes 36134 71 and 36134 93 combined to avoid disclosing data for individual companies. 4/ Data for product codes 36135 91 and 36135 92 combined to avoid disclosing data for individual companies. 5/ Data for product codes 36135 93 and 36135 94 combined to avoid disclosing data for individual companies. 6/ Data for product codes 36139 51 and 36139 81 combined to avoid disclosing data for individual companies. 7/ Data for product codes 36139 93 and 36139 98 combined to avoid disclosing data for individual companies. 8/ For 1995, data for product code 36251 03 are included with product code 36251 04 to avoid disclosing data for individual companies. 9/ Data for product codes 36251 10 and 36251 11 combined to avoid disclosing data for individual companies. 10/ Data for product codes 36251 37 and 36251 52 combined to avoid disclosing data for individual companies. 11/ Data for product codes 36251 61, 36251 66, 36251 69, and 36251 75 combined to avoid disclosing data for individual companies. 12/ For 1995, data for product code 36253 42 are included with product code 36253 46 to avoid disclosing data for individual companies. D Data withheld to avoid disclosing figures for individual companies. NA Not available. N.e.c. Not elsewhere classified. r Revised by 5 percent or more from previously published figures. S Withheld because data did not meet publication standards. X Not applicable. Table 3A. SHIPMENTS, EXPORTS, IMPORTS, AND APPARENT CONSUMPTION OF SWITCHGEAR, SWITCHBOARD APPARATUS, RELAYS, AND INDUSTRIAL CONTROLS: 1995 (Value in thousands of dollars) Exports of Manufacturers' domestic Imports Product description shipments merchandise for Product (value f.o.b. (value at consump- code plant) port 1/) tion 2/ 36132 16, 21, 26 Power circuit breakers.............................. 384,653 117,773 2,779,947 31 36132 17, 22, 27 Parts for power circuit breakers.................... 42,442 (NA) 2,008,304 32 36133 11, 12, 15 Low voltage panelboards and distribution 17, 19 boards........................................... 994,502 (NA) 4,183,587 36133 21, 22 Knife switches...................................... 239,129 (NA) 66,139 36134 00 Fuses and fuse equipment, under 2,300 volts......... 423,315 110,343 2,183,991 36135 00 Molded case circuit breakers, 1,000 volts and under. 1,175,322 98,674 3,149,743 36136 00 Duct, including plug-in units and accessories....... 239,402 31,117 159,232 36139 07, 09, 10 Switchgear and switchgear assemblies................ (3) (3) (3) 13, 17, 41, 45 83, 98 36139 51 Power fuses and fuse links, 2,300 volts and over.... (3) (3) (3) 36139 81, 91, 93 Power and ground connectors; and transmission and distribution connectors........................... 3/ 1,725,714 3/ 32,918 3/ 4,830,795 36251 01, 03, 04 Relays.............................................. 633,325 502,849 23,938,819 05, 02, 10, 11 12, 15, 20, 30 31, 32, 33, 37 52, 59, 61, 66 69, 75, 81, 82 92 36252 51, 55 Controls for numerically controlled machine tools.... 236,929 (NA) 3,240,446 36252 71 Programmable controllers............................. 1,211,098 (NA) 9,715,424 36253 01, 03, 05 Motor starters....................................... 285,474 (NA) 1,300,244 15 36253 16 Motor control centers, 1,000 volts or less........... 419,611 (NA) 901,530 36253 21 Brakes and clutches.................................. 61,480 19,751 1,792,337 36253 32, 33 Limit switches....................................... 174,551 (NA) (NA) 36253 81 Rheostats and resistors.............................. 34,822 2,053 28,080 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 switchgear and switchgear assemblies; and power fuses and fuse links; combined with power and ground connectors; and transmission and distribution connectors to avoid disclosing data for individual companies. NA Not available. Table 3B. SHIPMENTS, EXPORTS, IMPORTS, AND APPARENT CONSUMPTION OF SWITCHGEAR, SWITCHBOARD APPARATUS, RELAYS, AND INDUSTRIAL CONTROLS: 1994 (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, 26 Power circuit breakers............................... 486,951 108,823 4,080,883 31 36132 17, 22, 27 Parts for power circuit breakers..................... r/ 63,971 125,807 (NA) 32 36133 11, 12, 15 Low voltage panelboards and distribution 17, 19 boards............................................ 864,075 63,657 (NA) 36133 21, 22 Knife switches....................................... r/ 194,147 4,810 (NA) 36134 00 Fuses and fuse equipment, under 2,300 volts.......... r/ 382,125 89,965 2,011,649 36135 00 Molded case circuit breakers, 1,000 volts and under.. 1,132,905 86,426 2,893,260 36136 00 Duct, including plug-in units and accessories........ 227,947 27,615 88,469 36139 07, 09, 10 Switchgear and switchgear assemblies................. (3) (3) (3) 13, 17, 41, 45 83, 98 36139 51 Power fuses and fuse links, 2,300 volts and over..... (3) (3) (3) 36139 81, 91, 93 Power and ground connectors; and transmission and distribution connectors............................ 3/r/ 1,663,664 3/ 299,626 3/ 195,594 36251 01, 03, 04 Relays............................................... r/ 728,523 404,706 23,503,211 05, 02, 10, 11 12, 15, 20, 30 31, 32, 33, 37 52, 59, 61, 66 69, 75, 81, 82 92 36252 51, 55 Controls for numerically controlled machine tools.... r/ 192,531 27,209 (NA) 36252 71 Programmable controllers............................. 941,156 123,737 (NA) 36253 01, 03, 05 Motor starters....................................... r/ 281,497 34,803 (NA) 15 36253 16 Motor control centers, 1,000 volts or less........... r/ 373,672 33,450 (NA) 36253 21 Brakes and clutches.................................. 57,874 18,359 1,160,228 36253 32, 33 Limit switches....................................... r/ 123,851 8,533 (NA) 36253 81 Rheostats and resistors.............................. 40,195 2,962 (NA) 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 switchgear and switchgear assemblies; and power fuses and fuse links; combined with power and ground connectors; and transmission and distribution connectors to avoid disclosing data for individual companies. NA Not available. r/ Revised by 5 percent or more from previously published figures. Table 4. COMPARISON OF STANDARD INDUSTRIAL CLASSIFICATION-BASED PRODUCT CODES WITH SCHEDULE B EXPORT NUMBERS, AND HTSUSA IMPORT NUMBERS: 1995 Product Product description Export Import code number 1/ number 2/ 36132 16, 21, 26, 31 Power circuit breakers 8535.21.0000 8535.21.0000 8535.29.0020 8535.29.0020 8535.29.0040 8535.29.0040 8536.20.0040 8536.20.0040 36132 17, 22, 27, 32 Parts for power circuit breakers 8538.90.0020 8538.90.0020 8538.90.2000 36133 11, 12, 15, 17, Low voltage panelboards and distribution boards 8537.10.0050 8537.10.0050 19 8537.10.9050 36133 21, 22 Knife switches 8536.50.0045 8536.50.0045 8536.50.8045 36133 32, 98 Grouped metering panels, including accessory 8537.10.0020 8537.10.0020 components and other low voltage switchgear apparatus 36134 00 Fuses and fuse equipment, under 2,300 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 8537.10.0050 8537.10.9020 41, 45, 83, 98 power switching equipment, excluding power fuses 8537.20.0020 8537.20.0020 36139 51 Power fuses and fuse links, 2,300 volts and over 8535.10.0020 8535.10.0020 36139 81, 91, 93 Power and ground connectors; and transmission and 8535.90.0040 8535.90.0040 distribution connectors, n.e.c. 8535.90.8040 36251 01, 03, 04, 05, Relays 8536.41.0005 8536.41.0005 02, 10, 11, 12, 15, 8536.41.0020 8536.41.0020 20, 30, 31, 32, 33, 8536.41.0030 8536.41.0030 37, 52, 59, 61, 66, 8536.41.0045 8536.41.0045 69, 75, 81, 82, 92 8536.41.0050 8536.41.0050 8536.41.0060 8536.41.0060 8536.49.0055 8536.49.0050 8536.49.0050 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 8537.10.0030 8537.10.9030 36252 71 Programmable controllers 8537.10.0060 8537.10.0060 8537.10.9060 36253 01, 03, 05, 15 Motor starters 8536.50.0010 8536.50.0010 8536.50.4000 36253 16 Motor control centers, 1,000 volts or less 8537.10.0040 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 8533.40.0040 8533.40.0040 8533.40.4000 1/ Source: 1995 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 (1995)".  Parts for power circuit breakers 8538.90.0020 8538.90.0020