Westinghouse
MCP03150RC
Westinghouse Motor.Circuit Protector MCP03150RC
Only 1 left
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$14.00
Circuit Breakers, Fuses & Protection
3,524 listings · 3,464 in stock
3,524 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 & Accessories829 in stock
- Miniature & DIN Rail Circuit Breakers308 in stock
- Fuse Holders & Fuse Blocks254 in stock
- Disconnect & Safety Switches207 in stock
- Molded Case Circuit Breakers132 in stock
- Surge Protection & Ground Fault129 in stock
- Protective & Monitoring Relays30 in stock
ABB
S202UP-K8
ABB S202UP-K8 Circuit Breaker; 2-Pole 10KA 480V/277V 50/60HZ
Only 1 left
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$14.99
Siemens
ED63B100
Siemens I-T-E ED63B100 600VAC 3POLES 50/60HZ
Only 1 left
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$100.00
Cutler-Hammer
HMCP050K2C
Cutler-Hammer Series C Motor Circuit Protector HMCP050K2C 50AMPS 3POLES 600VAC
Only 1 left
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$60.00
Westinghouse
ELC3030R
Westinghouse ELC3030R 1231C03G16 30AMP Hmcp 600VAC
Only 1 left
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$30.00
Mersen
AJT250
Ferraz Shawmut Amp-Trap 2000 Dual Element Time Delay AJT250 250A 600V AC 500V DC
Only 3 left
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$30.00
Siemens
49D26344
Siemens Surge Suppressor 150V AC 49D26344 Serires B XEP-3312020
In stock
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$15.00
Bussmann
16371-3
Line Bussmann 16371-3 310A 600V
Only 1 left
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$50.00
Bussmann
JTN60030
Buss JTN60030 Use Class J 0-30A 600VAC... Lot of 3
Only 1 lot left
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$20.00 / lot of 3
Industrial part
HMCP003A0C
Westinhouse Series C Motor Circuit Protector HMCP003A0C 3AMPS 3POLE 600VAC 250DC
Only 1 left
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$20.00
Westinghouse
MCP0358RC
Westinghouse Motor Circuit Protector MCP0358RC 600VAC 3POLE 7AMP
Only 1 left
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$20.00
Westinghouse
MCP13300RC
Westinghouse Motor Circuit Protector MCP13300RC 600VAC 3POLE 30AMPS
Only 1 left
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$20.00
Marathon
6F30A2SP
Marathon 6F30A2SP 600V 30A 10 AWG H Fuse 10KA
Only 2 left
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$19.00
Allen-Bradley
1492-FB1J30-L
Allen-Bradley 1492-FB1J30-L SER B Fuse Holder 30A 600V.. Box of 6
Only 1 lot left
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$85.00 / lot of 6
Square D
RS-9992
Square D RS-9992 Circuit Breaker 2POLE 10000AMPS
In stock
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$20.00
Square D
RT-729
Square D RT-729 120/240VAC 10000AMPS OQ 2 Pole 30A
In stock
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$20.00
Schuco
S150
Schuco S150 Portable Aspirator 120V AC 2.5 Amp Fuse
Only 1 left
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$85.00
Mersen
US3J1I
Ferraz Shawmut US3J1I M212922 J Fuses... Lot of 3
Only 1 lot left
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$15.00 / lot of 3
Littelfuse
Littlefuse Power-Safe Lpsj 600V 60A Fuse Holder.
Littlefuse Power-Safe Lpsj 600V 60A Fuse Holder... Lot of 3
Only 1 lot left
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$20.00 / lot of 3
Telemecanique
GV3ME63
Telemecanique Square D GV3ME63 40-63A
Only 1 left
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$40.00
Square D
QON2L70
Square D 65000A 50/60HZ 120/240V QON2L70
Only 3 left
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$35.00
Square D
DP-4075
Square D DP-4075 10KA 120/240V QO 2P 20A
Only 3 left
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$20.00
Schneider Electric
QBL22200LU
Schneider Electric Powerpact QBL22200LU Circuit Breaker 50/60HZ
Only 4 left
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$110.00
Square D
QO124L200PDL
Square D QO124L200PDL 200AMP 240VAC GDE37778
Only 2 left
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$109.00
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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.