Circuit Breakers & Accessories
833 listings · 820 in stock
833 circuit breakers & accessories listings from the brands you use, each one photographed. Free shipping in the lower 48.
Weekly new-arrivals email for Circuit Breakers & Accessories
ABB
S2-H
ABB S2-H VDE 0660 25A S201 B10 230/400 Circuit Breaker
Only 2 left
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$25.00
ABB
S282-K3A
ABB S282-K3A Circuit Breaker 3A 400VAC 254/440VAC 2 Pole
Only 1 left
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$25.00
Siemens
5SY6104-7
Siemens 5SY6104-7 Circ-Auit Breaker (Lot of 4)
Only 3 lots left
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$17.00 / lot of 4
Allen-Bradley
193-BSC
Allen-Bradley 193-BSC Ser B Motor Circuit Protector 6–10A 300–600V
Only 1 left
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$21.99
General Electric
LP-2879
General Electric LP-2879 3-Pole Circuit Breaker Unit 240V AC Industrial 30 amp
Only 1 left
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$10.50
Siemens
B115
Siemens B115 1-Pole Circuit Breaker 15A 120/240V AC 60Hz Industrial 1/order
In stock
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$10.50
Cutler-Hammer
FB3040-U
Cutler-Hammer FB3040-U Circuit Breaker 3P 40A 600VAC
Only 1 left
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$109.99
General Electric
TED126100WL
General Electric TED126100WL TED Circuit Breaker 2 Pole 600V AC 100AMP
Only 1 left
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$684.99
Cutler-Hammer
FDC3020-U
Cutler-Hammer FDC3020-U 100K 20AMPS 3POLES 600VAC 250VDC Circuit Breaker
Only 1 left
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$509.99
General Electric
TED126060WL
General Electric TED126060WL TED Circuit Breaker 2POLE 600VAC 60AMP MOD.1
In stock
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$709.99
Siemens
Q235
Siemens Q235 10KA 35A 60HZ 120/240V 2 Poles
Only 3 left
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$13.00
Siemens
Q240
Siemens Q240 60HZ 120/240V 40A 2 Poles
In stock
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$15.00
Eaton
BR140
Eaton BR140 C140 120/240V Hacr Type 1POLE E7819-T
Only 1 left
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$26.00
Cutler-Hammer
CH115
Cutler-Hammer Eaton CH115 1-Pole Circuit Breaker 120/240V
Only 1 left
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$10.50
Siemens
NGB1B020
Siemens NGB1B020 125-347V 50/60HZ
Only 1 left
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$10.50
Square D
QOB1151021
Square D 15A QOB1151021 Bolt-ON Circuit Breaker 120/240V 50/60HZ
Only 1 left
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$179.99
Siemens
NGB1B020B
Siemens NGB1B020B 1-Pole 20A Thermal Magnetic Circuit Breaker 277VAC 25kAIC
Only 2 left
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$22.99
Eaton
782116-34736
Eaton KHMVD Variable Depth Handle Mechanism 782116-34736 Circuit Breaker
In stock
Free shippingShips today by 3 PM CT
$54.99
Eaton
FAZ-D3/3-NA
Eaton FAZ-D3/3-NA Circuit Breaker A08IF 480Y/277V 3-Pole
Only 1 left
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$19.99
Allen-Bradley
1492-CB1
Allen-Bradley 1492-CB1 Series C Circuit Breaker 3A 277V DIN Rail Mount
Only 1 left
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$10.50
Bullet
Bullet Breaker 10227930A 3-Pole E-Trip White Han
Bullet Breaker 10227930A 3-Pole E-Trip White Handle Industrial Circuit Breaker
Only 1 left
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$2,009.69
Eaton
EATON 7819 2POLE BREAKER 20 AMP Circuit Breaker
EATON 7819 2POLE BREAKER 20 AMP Circuit Breaker 20AMP
Only 3 left
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$26.00
Square D
Square D 10KA 120/240V
Square D 10KA 120/240V
In stock
Free shippingShips today by 3 PM CT
$54.99
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Guides for Circuit Breakers & Accessories
- Circuit protectionMolded Case Circuit Breaker Ratings & ReplacementsFrame size, trip rating, interrupting rating (kA), voltage and slash ratings, trip units and mounting – and a checklist for a safe replacement.
- Parts identificationHow to Read Breaker & VFD Nameplates and Date CodesFrame, trip and interrupting ratings on breakers; input, output, duty ratings and series on drives – and where to look for the date of manufacture.