Martin
Martin SK 1 Quick Disconnect QD Bushing 1 in Bor
Martin SK 1 Quick Disconnect QD Bushing 1 in Bore 2.812 OD Industrial Drive USA
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$13.89
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
11239-3SR
Bussmann 11239-3SR Fuse Holder 60A 600V Cooper Industries Electrical Industrial
In stock
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$15.89
Square D
FAL34030
Square D FAL34030 Molded Case Circuit Breaker 30A 480VAC 250VDC 3-Pole Series 2
Only 1 left
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$29.89
Bussmann
LPJ-5SP
Bussmann LPJ-5SP Low-Peak Fuse with JT60030 Fuse Holder 5A 600V Electrical
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$28.89
Mersen
S101653CF00
Mersen Ferraz S101653CF00 Protistor Semiconductor Fuse 160A Industrial Control
In stock
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$349.89
Industrial part
DTK-TSS4
Ditek DTK-TSS4 Series Connected Surge Protector 120VAC Industrial Electrical USA
Only 1 left
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$62.89
Westinghouse
EHB2100
Westinghouse EHB2100 AB Deion Circuit Breaker 2 Pole 100 Amp 480V AC Electrical
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$245.89
Bussmann
JTN60030
Bussmann JTN60030 Class J Fuse Holder 0-30A 600VAC Industrial Electrical Panel
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$6.89
Acopian
UP24
Acopian UP24 Unregulated Power Supply 24VDC 250V Fuse 1.5A Industrial Electrical
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$47.89
Siemens
5SY6102-7
Siemens 5SY6102-7 Miniature Circuit Breaker MCB C2 2A 1-Pole 230/400V Electrical
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$6.89
ABB
S271-K10A
ABB S271-K10A Miniature Circuit Breaker 1-Pole 10A 277/480VAC DIN Rail Electric
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$6.89
ABB
S273
ABB S273 K8A Miniature Circuit Breaker 3-Pole 8A 277/480VAC DIN Rail Industrial
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$22.89
Entrelec
Entrelec 16A 250V DIN Rail Fuse Holder Terminal
Entrelec 16A 250V DIN Rail Fuse Holder Terminal Block Lot of 10 Industrial USA
Only 1 lot left
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$57.89 / lot of 10
Square D
C30585-067-01
Square D C30585-067-01 8881 SA-3 Fuse Alarm Card 0-120AC-DC AGC 1 Amp 130V USA
In stock
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$98.89
Industrial part
S13
24V 30A S13 Stud Mount Circuit Breaker Auto Reset Thermal Industrial Electrical
Only 1 left
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$29.89
Cutler-Hammer
FWF1080LM05
Cutler-Hammer FWF1080LM05 Circuit Breaker 80A 1 Pole 240VAC Series C Industrial
In stock
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$13.00
Siemens
3VF2214-0JN41-0AA0
Siemens 3VF2214-0JN41-0AA0 Circuit Breaker VF100 4P 63A 240-415VAC 50/60Hz USA
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$54.89
Siemens
SBPTM480
Siemens SBPTM480 SB-PT Module Energy Communicating Trip Unit 480V Electrical
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$210.89
Eaton
PLS6-C16/2-DC
Eaton Moeller PLS6-C16/2-DC 16 amp Circuit Breaker 16A C 6kA 2 Pole New s
In stock
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$8.00
Siemens
5SY4211-7
Each Siemens 5SY4211-7 5SY4-211-7 MCB Circuit Breaker 5A 5 Amp 2P
In stock
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$5.00
Eaton
FWF40501VL
Eaton FWF40501VL Circuit Breaker 50A 690VAC 4 Pole Series C Thermal Magnetic
Only 2 left
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$452.89
Bussmann
6NZ01
Bussmann 6NZ01 Neozed Bottle Fuse 6A IEC 60269 VDE 0636 Industrial Electrical
In stock
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$6.89
Cutler-Hammer
70-7759-5
Cutler-Hammer Eaton 70-7759-5 200A 600V Fuse Base Renewal Part Industrial Holder
Only 1 left
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$160.89
Tyco
Tyco Buchanan Electrical Disconnect Switch Fuse
Tyco Buchanan Electrical Disconnect Switch Fuse Holder Industrial Control Panel
Only 1 left
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$24.89
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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.