Circuit Breakers & Accessories

7938 products

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Sq-D Qo250epd Type Qo 2pole 50amp 120/240volt Plug-In W/ Equipment ProtectionSq-D Qo250epd Type Qo 2pole 50amp 120/240volt Plug-In W/ Equipment Protection
Square D Sq-D Qo250epd Type Qo 2pole 50amp 120/240volt Plug-In W/ Equipment Protection
$394.04
 Sold out
Ite Siemens Case Extender Handle GuardIte Siemens Case Extender Handle Guard
ITE Ite Siemens Case Extender Handle Guard
$38.56
 Only 1 unit left
Square D QOU110 10 Amp 1 Pole 120/240V Circuit BreakerSquare D QOU110 10 Amp 1 Pole 120/240V Circuit Breaker
Square D Square D QOU110 10 Amp 1 Pole 120/240V Circuit Breaker
$23.17
 Only 1 unit left
American Brand FPE NA220 2 Pole 20 Amp Circuit Breaker ThickAmerican Brand FPE NA220 2 Pole 20 Amp Circuit Breaker Thick
FPE Federal Pacific American Brand FPE NA220 2 Pole 20 Amp Circuit Breaker Thick
From $6.18
 In stock, 9 units
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GE General Electric TJK636T600 3 Pole 600 Amp Circuit Breaker Trip Unit Type TJKGE General Electric TJK636T600 3 Pole 600 Amp Circuit Breaker Trip Unit Type TJK
GE General Electric GE General Electric TJK636T600 3 Pole 600 Amp Circuit Breaker Trip Unit Type TJK
$911.86
 In stock, 2 units
Cutler Hammer Pow-R-Line C Prl1a Panel Board 208/120v 3 Phase 4 Wire 150 AmpCutler Hammer Pow-R-Line C Prl1a Panel Board 208/120v 3 Phase 4 Wire 150 Amp
Eaton / Cutler Hammer Cutler Hammer Pow-R-Line C Prl1a Panel Board 208/120v 3 Phase 4 Wire 150 Amp
$154.53
 Sold out
Connecticut Electric/UB Inc Ubiz-240 40 Amp 2 Pole 120/240V Circuit BreakerConnecticut Electric/UB Inc Ubiz-240 40 Amp 2 Pole 120/240V Circuit Breaker
Connecticut Electric Connecticut Electric/UB Inc Ubiz-240 40 Amp 2 Pole 120/240V Circuit Breaker
$50.98
 In stock, 5 units
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Bryant Westinghouse Stab On Lug For Panelboard MLK2225Bryant Westinghouse Stab On Lug For Panelboard MLK2225
UNKNOWN Bryant Westinghouse Stab On Lug For Panelboard MLK2225
$30.85
 Sold out
Zinsco Qfb2125 2 Pole 125 Amp Type Qfb Circuit BreakerZinsco Qfb2125 2 Pole 125 Amp Type Qfb Circuit Breaker
Zinsco Zinsco Qfb2125 2 Pole 125 Amp Type Qfb Circuit Breaker
$278.17
 Sold out
Square D FA26030BC 30 Amp 600 Vac 2 Pole Circuit Breaker FA-26030-BCSquare D FA26030BC 30 Amp 600 Vac 2 Pole Circuit Breaker FA-26030-BC
Square D Square D FA26030BC 30 Amp 600 Vac 2 Pole Circuit Breaker FA-26030-BC
$154.55
 Only 1 unit left
Eaton DH221NRK 30 Amp 2 Pole 240V Fusible Nema 3R Safety SwitchEaton DH221NRK 30 Amp 2 Pole 240V Fusible Nema 3R Safety Switch
Eaton Eaton DH221NRK 30 Amp 2 Pole 240V Fusible Nema 3R Safety Switch
$154.49
 In stock, 2 units
LCB Light Breaker LB250 2 Pole 50A 120/240VAC Type BR/BJ/Q/QP/THQL/THQP/MP NewLCB Light Breaker LB250 2 Pole 50A 120/240VAC Type BR/BJ/Q/QP/THQL/THQP/MP New
LCB Corp LCB Light Breaker LB250 2 Pole 50A 120/240VAC Type BR/BJ/Q/QP/THQL/THQP/MP New
$61.74
 In stock, 4 units
Sylvania Quicktronic QT 4x32/277 HD10 4-Lamp Instant Start Ballast277V 60HzSylvania Quicktronic QT 4x32/277 HD10 4-Lamp Instant Start Ballast277V 60Hz
GTE Sylvania Sylvania Quicktronic QT 4x32/277 HD10 4-Lamp Instant Start Ballast277V 60Hz
$15.44
 Only 1 unit left
Square D Q2L3125 125 Amp 3 Pole 240V Circuit BreakerSquare D Q2L3125 125 Amp 3 Pole 240V Circuit Breaker
Square D Square D Q2L3125 125 Amp 3 Pole 240V Circuit Breaker
$556.40
 In stock, 5 units
Eaton/Cutler-Hammer QBHW2060 60 Amp 2 Pole Quicklag Circuit BreakerEaton/Cutler-Hammer QBHW2060 60 Amp 2 Pole Quicklag Circuit Breaker
Eaton / Cutler Hammer Eaton/Cutler-Hammer QBHW2060 60 Amp 2 Pole Quicklag Circuit Breaker
From $61.80
 In stock, 8 units
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Square D Hda36060u31x 3 Pole 60 Amp 600v Circuit Breaker Hd 060Square D Hda36060u31x 3 Pole 60 Amp 600v Circuit Breaker Hd 060
Square D Square D Hda36060u31x 3 Pole 60 Amp 600v Circuit Breaker Hd 060
$448.20
 Sold out
ITE QP2-B090 90 Amp 2 Pole 120/240V Type EQ-P Circuit BreakerITE QP2-B090 90 Amp 2 Pole 120/240V Type EQ-P Circuit Breaker
Siemens / ITE / Gould ITE QP2-B090 90 Amp 2 Pole 120/240V Type EQ-P Circuit Breaker
$30.91
 Only 1 unit left
GE SELA36AT0100 100 Amp 3 Pole Circuit Breaker 80 Amp Rated Plug SRPE100A80GE SELA36AT0100 100 Amp 3 Pole Circuit Breaker 80 Amp Rated Plug SRPE100A80
GE General Electric GE SELA36AT0100 100 Amp 3 Pole Circuit Breaker 80 Amp Rated Plug SRPE100A80
$293.58
 Sold out
Square D EDB24040 40 Amp 2 Pole 277/480V Type EDB Circuit BreakerSquare D EDB24040 40 Amp 2 Pole 277/480V Type EDB Circuit Breaker
Square D Square D EDB24040 40 Amp 2 Pole 277/480V Type EDB Circuit Breaker
$139.04
 Only 1 unit left
Square D HDA36040 40 Amp 3 Pole 600 Vac PowerPact Circuit BreakerSquare D HDA36040 40 Amp 3 Pole 600 Vac PowerPact Circuit Breaker
Square D Square D HDA36040 40 Amp 3 Pole 600 Vac PowerPact Circuit Breaker
From $339.94
 Sold out
Cutler-Hammer Eaton Bab3045h Circuit Breaker 3 Pole 45a 240vCutler-Hammer Eaton Bab3045h Circuit Breaker 3 Pole 45a 240v
Eaton / Cutler Hammer Cutler-Hammer Eaton Bab3045h Circuit Breaker 3 Pole 45a 240v
$139.09
 Sold out
Square D QO320VH 3 Pole 20 Amp 240v 22k Circuit BreakerSquare D QO320VH 3 Pole 20 Amp 240v 22k Circuit Breaker
Square D Square D QO320VH 3 Pole 20 Amp 240v 22k Circuit Breaker
From $154.49
 Sold out
Westinghouse HFB1020 20 Amp 1 Pole 277V Circuit BreakerWestinghouse HFB1020 20 Amp 1 Pole 277V Circuit Breaker
Westinghouse Westinghouse HFB1020 20 Amp 1 Pole 277V Circuit Breaker
$92.72
 In stock, 61 units
Square D QO1LO Handle ClampSquare D QO1LO Handle Clamp
Square D Square D QO1LO Handle Clamp
From $3.86
 In stock, 4 units
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Square D Handle Lock Attachment for QO and QOB BreakersSquare D Handle Lock Attachment for QO and QOB Breakers
Square D Square D Handle Lock Attachment for QO and QOB Breakers
$7.71
 Sold out
Eagle Screw In Fuses Time Delay 30a 30 Amp 125v Small Base EagleEagle Screw In Fuses Time Delay 30a 30 Amp 125v Small Base Eagle
Eagle Electric Eagle Screw In Fuses Time Delay 30a 30 Amp 125v Small Base Eagle
$6.18
 Sold out
Westinghouse BR215 15 Amp 2 Pole 120/240V Circuit BreakerWestinghouse BR215 15 Amp 2 Pole 120/240V Circuit Breaker
Westinghouse Westinghouse BR215 15 Amp 2 Pole 120/240V Circuit Breaker
From $9.21
 In stock, 8 units
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Cutler Hammer KD3400F 400 Amp 3 Pole 600v Face Cover OnlyCutler Hammer KD3400F 400 Amp 3 Pole 600v Face Cover Only
Cutler Hammer Cutler Hammer KD3400F 400 Amp 3 Pole 600v Face Cover Only
$40.17
 Only 1 unit left
Cutler Hammer HMCP050K2 50 Amp 3 Pole 600V Face Plate OnlyCutler Hammer HMCP050K2 50 Amp 3 Pole 600V Face Plate Only
Cutler Hammer Cutler Hammer HMCP050K2 50 Amp 3 Pole 600V Face Plate Only
$30.82
 Only 1 unit left
GE General Electric TEYD3070B 3 Pole 70 Amp 480v Bolt On Circuit BreakerGE General Electric TEYD3070B 3 Pole 70 Amp 480v Bolt On Circuit Breaker
GE General Electric GE General Electric TEYD3070B 3 Pole 70 Amp 480v Bolt On Circuit Breaker
$309.03
 Sold out
Airpax DC Circuit Breaker LMLK1-30124-1-V 60 Amp 80VDC 1 PoleAirpax DC Circuit Breaker LMLK1-30124-1-V 60 Amp 80VDC 1 Pole
Airpax Airpax DC Circuit Breaker LMLK1-30124-1-V 60 Amp 80VDC 1 Pole
$43.27
 In stock, 10 units
(Lot Of 12) Airpax DC Circuit Breaker LMLK1-30124-1-V 60 Amp 80VDC 1 Pole(Lot Of 12) Airpax DC Circuit Breaker LMLK1-30124-1-V 60 Amp 80VDC 1 Pole
Airpax (Lot Of 12) Airpax DC Circuit Breaker LMLK1-30124-1-V 60 Amp 80VDC 1 Pole
$463.66
 Sold out
Square D LX36400 400 Amp Sensor 3 Pole 600V w/Arp100 Rating Plug Electronic Trip Circuit BreakerSquare D LX36400 400 Amp Sensor 3 Pole 600V w/Arp100 Rating Plug Electronic Trip Circuit Breaker
Square D Square D LX36400 400 Amp Sensor 3 Pole 600V w/Arp100 Rating Plug Electronic Trip Circuit Breaker
From $1,468.20
 In stock, 4 units
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FPE Federal Pacific Breaker Panel Cover 20-40 Space Dead Front 22 7/8" x 11 1/2"FPE Federal Pacific Breaker Panel Cover 20-40 Space Dead Front 22 7/8" x 11 1/2"
FPE Federal Pacific FPE Federal Pacific Breaker Panel Cover 20-40 Space Dead Front 22 7/8" x 11 1/2"
$92.66
 Sold out
Square D Qou3901021 Qou390 1021 Circuit Breaker 90 Amp 3 Pole 120/240 Shunt Trip
Square D Square D Qou3901021 Qou390 1021 Circuit Breaker 90 Amp 3 Pole 120/240 Shunt Trip
$278.11
 Sold out
Square D QOB3000 100 Amp 3 Pole 240v Molded Case Switch QOB Breaker QO NQODSquare D QOB3000 100 Amp 3 Pole 240v Molded Case Switch QOB Breaker QO NQOD
Square D Square D QOB3000 100 Amp 3 Pole 240v Molded Case Switch QOB Breaker QO NQOD
$216.30
 In stock, 5 units
GE/General Electric TEB111020 20 Amp 1 Pole 120 VAC Circuit BreakerGE/General Electric TEB111020 20 Amp 1 Pole 120 VAC Circuit Breaker
GE General Electric GE/General Electric TEB111020 20 Amp 1 Pole 120 VAC Circuit Breaker
From $15.44
 In stock, 40 units
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Zinsco/Sylvania/Challenger Q160 60 Amp 1 Pole 120/240V BreakerZinsco/Sylvania/Challenger Q160 60 Amp 1 Pole 120/240V Breaker
Zinsco / GTE Sylvania / Challenger Zinsco/Sylvania/Challenger Q160 60 Amp 1 Pole 120/240V Breaker
$15.44
 In stock, 13 units
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ITE/Siemens QP4-B030 30 Amp 2 Pole 240V EQ-P Circuit Breaker w/Neutral SwitchITE/Siemens QP4-B030 30 Amp 2 Pole 240V EQ-P Circuit Breaker w/Neutral Switch
ITE ITE/Siemens QP4-B030 30 Amp 2 Pole 240V EQ-P Circuit Breaker w/Neutral Switch
$81.89
 Only 1 unit left
(2) Zinsco / Sylvania Gte Breaker Clip For 2 Pole Rc-38 Tandem(2) Zinsco / Sylvania Gte Breaker Clip For 2 Pole Rc-38 Tandem
GTE Sylvania (2) Zinsco / Sylvania Gte Breaker Clip For 2 Pole Rc-38 Tandem
$12.71
 Sold out
Square D 9080 Gcb100 Circuit Breaker (10 Amp, 125 Vac, 1 Pole, Series C)Square D 9080 Gcb100 Circuit Breaker (10 Amp, 125 Vac, 1 Pole, Series C)
Square D Square D 9080 Gcb100 Circuit Breaker (10 Amp, 125 Vac, 1 Pole, Series C)
$12.35
 Sold out
Square D HLL36040LV 40 Amp 3 Pole 600V PowerPact HL060 H-Frame Circuit BreakerSquare D HLL36040LV 40 Amp 3 Pole 600V PowerPact HL060 H-Frame Circuit Breaker
Square D Square D HLL36040LV 40 Amp 3 Pole 600V PowerPact HL060 H-Frame Circuit Breaker
$602.76
 Only 1 unit left
Connecticut Electric UBI-TB230C 30 Amp 2 Pole 120/240V Circuit BreakerConnecticut Electric UBI-TB230C 30 Amp 2 Pole 120/240V Circuit Breaker
Conneticut Electric Connecticut Electric UBI-TB230C 30 Amp 2 Pole 120/240V Circuit Breaker
$12.35
 In stock, 2 units
Westinghouse QNPL2030 30 Amp 2 Pole 120/240v Circuit Breaker - Metal FootWestinghouse QNPL2030 30 Amp 2 Pole 120/240v Circuit Breaker - Metal Foot
Westinghouse Westinghouse QNPL2030 30 Amp 2 Pole 120/240v Circuit Breaker - Metal Foot
$15.44
 Only 1 unit left
Square D Schneider Electric QO350SWN 50 Amp Molded Case Circuit BreakersSquare D Schneider Electric QO350SWN 50 Amp Molded Case Circuit Breakers
Square D Square D Schneider Electric QO350SWN 50 Amp Molded Case Circuit Breakers
$92.66
 Only 1 unit left
ITE/Siemens D120 20 Amp 1 Pole 120/240V Circuit BreakerITE/Siemens D120 20 Amp 1 Pole 120/240V Circuit Breaker
Siemens / ITE ITE/Siemens D120 20 Amp 1 Pole 120/240V Circuit Breaker
$7.71
 In stock, 17 units
General Electric TED134050WL 50 Amp 3 Pole 480V Circuit Breaker - Green LabelGeneral Electric TED134050WL 50 Amp 3 Pole 480V Circuit Breaker - Green Label
GE General Electric General Electric TED134050WL 50 Amp 3 Pole 480V Circuit Breaker - Green Label
$355.46
 Sold out
Siemens Ed42b100, 100 Amp 2 Pole 480 Volt Circuit Breaker Ed4Siemens Ed42b100, 100 Amp 2 Pole 480 Volt Circuit Breaker Ed4
Siemens / ITE Siemens Ed42b100, 100 Amp 2 Pole 480 Volt Circuit Breaker Ed4
$71.02
 Sold out

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