Brady
65387
Brady 65387 Single Pole Circuit Breaker Lockout Snap On 120V Electrical Safety
Only 3 left
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$6.89
Circuit Breakers, Fuses & Protection
3,511 listings · 3,457 in stock
3,511 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
- Fuses1,575 in stock
- Circuit Breakers & Accessories827 in stock
- Miniature & DIN Rail Circuit Breakers307 in stock
- Fuse Holders & Fuse Blocks252 in stock
- Disconnect & Safety Switches206 in stock
- Molded Case Circuit Breakers133 in stock
- Surge Protection & Ground Fault127 in stock
- Protective & Monitoring Relays30 in stock
General Electric
SELA36AT1015C
General Electric SELA36AT1015C Spectra Circuit Breaker 15A 600V 3-Pole Lot of 3
Only 1 lot left
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$357.89 / lot of 3
Phoenix Contact
2800852
Phoenix Contact 2800852 CB TM1 6A M1 P Thermal Magnetic Circuit Breaker 1-Pole
Only 1 left
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$52.89
Bussmann
CCP-1-30CF
Eaton Bussmann CCP-1-30CF Fusible Disconnect 30A 600V Class J 1-Pole Lot of 6
Only 1 lot left
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$272.89 / lot of 6
Fuji Electric
1869Z2
Fuji 1869Z2 4014 Surge Contactor 5A 125VAC 3A 250VAC Electrical Industrial Relay
In stock
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$11.89
Eaton
WMZS2B10
Eaton WMZS2B10 Miniature Circuit Breaker 10A 2-Pole Type B 10kA UL1077 DIN Rail
In stock
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$8.89
Eaton
WMZS3B20
Eaton WMZS3B20 Miniature Circuit Breaker 20A 3-Pole Type B 10kA UL1077 480VAC
Only 1 left
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$39.89
Eaton
WMZS1C03
Eaton WMZS1C03 Miniature Circuit Breaker 3A 1-Pole Type C 10kA UL1077 Industrial
Only 5 left
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$13.89
Eaton
WMZS2C08
Eaton WMZS2C08 Miniature Circuit Breaker 8A 2-Pole Type C 10kA UL1077 480VAC
Only 4 left
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$15.89
Eaton
WMZS2D06
Eaton WMZS2D06 Miniature Circuit Breaker 6A 2-Pole Type D 5kA UL1077 Industrial
In stock
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$8.89
Cutler-Hammer
WMZS3B50
Eaton WMZS3B50 Miniature Circuit Breaker 50A 3-Pole Type B 5kA UL1077 480VAC
In stock
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$88.89
Eaton
WMZS3B15
Eaton WMZS3B15 Miniature Circuit Breaker 15A 3-Pole Type B 10kA UL1077 480VAC
In stock
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$83.89
Eaton
WMZS3B63
Eaton WMZS3B63 Miniature Circuit Breaker 63A 3-Pole Type B 5kA UL1077 Industrial
In stock
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$129.89
Eaton
WMZS3C08
Eaton WMZS3C08 Miniature Circuit Breaker 8A 3-Pole 480Y/277VAC Type C UL1077
In stock
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$48.89
Siemens
3RV1421-1JA10
Siemens 3RV1421-1JA10 Circuit Breaker Motor Protector 7-10A Industrial Control
In stock
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$25.89
Mersen
A50QS70-4
Ferraz Shawmut A50QS70-4 Amp-Trap Semiconductor Fuse 70A 500VAC 200kA Industrial
Only 1 left
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$18.89
Imperial
80867
Imperial 80867 ATO Fuse Block Four Gang 40 Amp Pigtail Harness Automotive USA
Only 1 left
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$19.89
Atlas Copco
Atlas Copco 9232 2108 91 Sleeve Bushing Cobra Br
Atlas Copco 9232 2108 91 Sleeve Bushing Cobra Breaker Pneumatic Tool Part USA
Only 1 left
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$29.89
Square D
KAL361756153
Square D KAL361756153 Molded Case Circuit Breaker 175A 600VAC 3-Pole Industrial
Only 1 left
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$499.89
Bussmann
H80-40
Bussmann H80-40 Cartridge Fuse 40A Electrical Industrial Power Distribution Part
In stock
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$11.89
Airpax
229D-2-22600-8
Airpax 229D-2-22600-8 Hydraulic Magnetic Circuit Breaker 50A 2-Pole 120/240VAC
In stock
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$190.89
Airpax
209-3-2599-302
Airpax 209-3-2599-302 HH83XB302-B 3-Pole Circuit Breaker 240VAC Industrial Panel
In stock
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$198.89
Sensata Airpax
219-4-6388-086
Sensata Airpax 219-4-6388-086 Circuit Breaker 4-Pole 50/60Hz 1846Y12A Electrical
Only 4 left
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$219.89
Sensata Airpax
219-4-21341-5
Sensata Airpax 219-4-21341-5 Circuit Breaker 4-Pole 50/60Hz 1820Y15A Electrical
Only 4 left
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$219.89
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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.