Eaton
NZMC1-A20
Eaton NZMC1-A20 Molded Case Circuit Breaker 20A 3 Pole 50Hz NZM1 Electrical MCCB
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$125.89
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
Bussmann
CCP-1-30CF
Eaton Bussmann CCP-1-30CF Fusible Disconnect 30A 600VAC 1-Pole Class J Lot of 6
Only 1 lot left
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$172.89 / lot of 6
General Electric
FK1-IND
General Electric FK1-IND GEH 3938 Industrial Luminaire Fuse Kit Lighting Part
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$10.89
Square D
Square D HPAKD Handle Padlock Attachment Kit Cir
Square D HPAKD Handle Padlock Attachment Kit Circuit Breaker Lockout Industrial
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$15.89
Altech
E301611
Altech E301611 R-Series Supplementary Protector C13 3-Pole 480Y/277VAC Breaker
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$12.89
ABB
S262-D32
ABB S262-D32 Miniature Circuit Breaker 32A 2-Pole D-Curve 480VAC Industrial DIN
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$24.89
ABL Sursum
3CU20
ABL Sursum 3CU20 Circuit Breaker 20A 3-Pole 480Y/277VAC 10kA C-Curve Industrial
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$19.89
Siemens
5SY6104-7
Siemens 5SY6104-7 Miniature Circuit Breaker 4A C-Curve 230/400V 30kA 1-Pole MCB
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$7.89
Siemens
5SY6106-7
Siemens 5SY6106-7 Miniature Circuit Breaker 6A C-Curve 200/400V 30kA 1-Pole MCB
In stock
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$8.89
Siemens
5SY4106-7
Siemens 5SY4106-7 Miniature Circuit Breaker 6A C-Curve 230/400V 35kA 1-Pole MCB
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$6.89
ABL Sursum
1D15UM
ABL Sursum 1D15UM D15 Circuit Breaker 15A 277VAC 10kA Single Pole DIN Rail Mount
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$11.89
Siemens
5SY6110-7
Siemens 5SY6110-7 Miniature Circuit Breaker 10A C-Curve 230/400V 15kA 1-Pole MCB
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$7.89
Siemens
5SY4104-5
Siemens 5SY4104-5 Miniature Circuit Breaker 4A 230/400V 1-Pole 35kA Industrial
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$8.89
Schneider Electric
GV2-RT21
Schneider GV2-RT21 Motor Circuit Breaker 17-23A 690V 50/60Hz Industrial Control
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$38.89
Schneider Electric
GV2-RT10
Schneider GV2-RT10 Motor Circuit Breaker 4-6.3A 690V 50/60Hz Industrial Control
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$30.89
Schneider Electric
GV2ME04
Schneider Electric GV2ME04 TeSys Motor Circuit Breaker 0.40-0.63A 690V 3-Pole
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$10.89
Schneider Electric
GV2-RT14
Schneider Electric GV2-RT14 TeSys Motor Circuit Breaker 6-10A 690V Industrial
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$11.89
Eaton
830026185
Holec 830026185 DIN00 100A Fast Blow Knife Fuse P852 Industrial Power Eaton USA
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$98.89
Eaton
830018700
Holec 830018700 DIN00 50A Slow Blow Fuse P851 Industrial Power Protection Eaton
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$98.89
Eaton
FAZ6-C2/1
Eaton FAZ6-C2/1 xEffect Miniature Circuit Breaker 2A 1-Pole 10kA 240V DIN Rail
Only 3 left
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$44.89
Eaton
WMZS2B10
Eaton WMZS2B10 Miniature Circuit Breaker 10A 2-Pole Type B 10kA 277/480VAC DIN
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$6.89
Eaton
HQP1025R3
Eaton HQP1025R3 Circuit Breaker 25A 1 Pole 240V Quicklag Industrial Electrical
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$7.89
Eaton
WMZS1C03
Eaton WMZS1C03 Miniature Circuit Breaker 1 Pole 3A 230/400V Type C Industrial
In stock
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$8.89
Brady
90851
Brady 90851 Breaker Lockout Pin Out Wide Pack of 6 Snap On 120V Safety LOTO Red
In stock
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$53.89 / lot of 6
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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.