Allen-Bradley
140M-C2E-A40
Allen-Bradley 140M-C2E-A40 Ser C Motor Protection Circuit Breaker 0.25-0.4A 3P
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$14.89
Circuit Breakers, Fuses & Protection
3,484 listings · 3,433 in stock
3,484 Circuit Breakers, Fuses & Protection listings in 8 categories, from makers like Bussmann, Mersen, Eaton. Surplus, used and new-surplus, every item photographed. Free shipping in the lower 48 and zero lead time on everything in stock.
Categories in Circuit Breakers, Fuses & Protection
- Fuses1,572 in stock
- Circuit Breakers & Accessories820 in stock
- Miniature & DIN Rail Circuit Breakers301 in stock
- Fuse Holders & Fuse Blocks247 in stock
- Disconnect & Safety Switches206 in stock
- Molded Case Circuit Breakers132 in stock
- Surge Protection & Ground Fault125 in stock
- Protective & Monitoring Relays30 in stock
Industrial part
E355392
Noark E355392 Miniature Circuit Breaker 1 Pole 240VAC 10kA UL489 DIN Rail Part
Only 2 left
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$11.89
Allen-Bradley
140M-C2E-B40
Allen-Bradley 140M-C2E-B40 Motor Protection Circuit Breaker 2.5-4.0A Class 10
Only 1 left
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$44.89
Industrial part
AC-21
Disconnect Switch 3 Pole 100A 600VAC 60HP Load Break Isolator AC-21 125A Part
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$49.99
Allen-Bradley
1492-FB2C30
Allen-Bradley 1492-FB2C30 Fuse Holder 2 Pole 30A 600V Class CC DIN Rail Block
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$8.89
Allen-Bradley
1489-M1C200
Allen-Bradley 1489-M1C200 Miniature Circuit Breaker 1 Pole 20A C Curve UL489
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$9.89
Allen-Bradley
1489-M1C100
Allen-Bradley 1489-M1C100 Ser D Circuit Breaker 1 Pole 10A 277V C Curve DIN Rail
In stock
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$26.89
Allen-Bradley
1489-M1C160
Allen-Bradley 1489-M1C160 Ser D Miniature Circuit Breaker 1 Pole 16A 277V DIN
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$21.89
Siemens
3RV2021-0HA10
Siemens SIRIUS 3RV2021-0HA10 Motor Protection Circuit Breaker 0.55-0.8A S0 Frame
Only 1 left
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$50.89
Littelfuse
LR60030-1CR
Littelfuse LR60030-1CR Class R Cartridge Fuse Holder 30A 600V 1 Pole 923N Base
In stock
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$16.89
Fuji Electric
SA33B
Fuji Electric SA33B BB3ASB-020 Auto Breaker 20A 3 Pole AC220V 30AF 5kA Molded
Only 1 left
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$11.89
Allen-Bradley
140M-C2E-B16-BX
Allen-Bradley 140M-C2E-B16-BX Motor Protection Circuit Breaker 1.0-1.6A Ser C
Only 2 left
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$31.89
Siemens
3RV2021-0HA10
Siemens SIRIUS 3RV2021-0HA10 Motor Protection Circuit Breaker 0.55-0.8A S0 Frame
Only 1 left
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$43.89
Allen-Bradley
1489-M1C150
Allen-Bradley 1489-M1C150 Ser D Circuit Breaker 1 Pole 15A 277V UL489 C Curve
Only 2 left
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$9.89
ABB
S272-C16
ABB S272-C16 Miniature Circuit Breaker 2 Pole 16A C Curve 400V 10kA DIN Rail
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$47.89
General Electric
TEF136015
GE TEF136015 Circuit Breaker 3 Pole 15A 600V KA-69 Molded Case Type TEF Frame
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$18.89
Allen-Bradley
140M-C2E-B25
Allen-Bradley 140M-C2E-B25 Ser D Motor Protection Circuit Breaker 1.6-2.5A MPCB
Only 1 left
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$18.89
Fuji Electric
BW125JAGU-3P015
Fuji Electric BW125JAGU-3P015 Auto Circuit Breaker 15A 3 Pole 125AF AC 690V
In stock
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$49.89
Mallory
CGS242T450X5L
Mallory CGS242T450X5L Capacitor 2400uF 450VDC 525V Surge Screw Terminal Can 85C
In stock
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$21.89
Merlin Gerin
60110
Merlin Gerin 60110 Multi 9 C60 Circuit Breaker 10A 1 Pole C Curve 240VAC 10kA
Only 2 left
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$14.89
Siemens
5SX21
Siemens 5SX21 D3 Miniature Circuit Breaker 3A 1 Pole 230/400V 277VAC 6kA DIN
Only 2 left
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$8.89
Siemens
5SX22
Siemens 5SX22 D2 Miniature Circuit Breaker 2A 2 Pole 230/400V 480VAC DIN Rail
Only 1 left
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$8.89
Allen-Bradley
140M-C2E-C10
Allen-Bradley 140M-C2E-C10 Ser C Motor Protection Circuit Breaker 6.3-10A 3P
Only 2 left
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$16.89
Allen-Bradley
1492-CB3
Allen-Bradley 1492-CB3 H030 Miniature Circuit Breaker 3A 3 Pole 277VAC DIN Rail
Only 2 left
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$11.89
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Guides for Circuit Breakers, Fuses & Protection
- 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.