Westinghouse
FB3025
Westinghouse Cutler-Hammer FB3025 Circuit Breaker 25A 3 Pole 600VAC CU/AL Lug
Only 1 left
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$68.89
Circuit Breakers, Fuses & Protection
3,500 listings · 3,446 in stock
3,500 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
- Fuses1,574 in stock
- Circuit Breakers & Accessories823 in stock
- Miniature & DIN Rail Circuit Breakers304 in stock
- Fuse Holders & Fuse Blocks250 in stock
- Disconnect & Safety Switches206 in stock
- Molded Case Circuit Breakers133 in stock
- Surge Protection & Ground Fault126 in stock
- Protective & Monitoring Relays30 in stock
Cutler-Hammer
17-20958
Eaton Cutler-Hammer 17-20958 Fuse Base 3 Pole 30/60A 600VAC Disconnect Switch
In stock
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$31.89
Economy
EOS600
Economy Eco EOS600 One Time Fuse 600A 600V Class H Federal Pacific Industrial
Only 3 left
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$63.89
Mersen
61006
Gould Shawmut Mersen 61006 Class H K Fuse Block Holder 100A 600V 1 Pole CU Only
Only 4 left
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$17.89
Bussmann
BK/ABC-3
Bussmann BK/ABC-3 ABC-3 Fast Acting Ceramic Fuse 3A 250V 1/4x1-1/4 LOT OF 100
Only 4 lots left
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$68.89 / lot of 100
FPE
EON-225
FPE Economy EON-225 One Time Cartridge Fuse 225A 250VAC Class H Electrical Part
Only 1 left
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$14.89
Mitsubishi
NF30-FAU
Mitsubishi NF30-FAU No-Fuse Circuit Breaker 2P 5A AC220V MCCB 50/60Hz Industrial
Only 2 left
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$13.89
Fuji Electric
EA52C
Fuji Electric EA52C BB2BEC-030 Auto Breaker 2P 30A AC500V MCCB with Aux Switch
Only 1 left
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$20.00
Fuji Electric
EG32AC
Fuji Electric EG32AC EB2AEAC-005B Earth Leakage Circuit Breaker 2P 5A 30mA ELCB
Only 1 left
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$17.89
Fuji Electric
EA53C
Fuji Electric EA53C BB3BEC-030 Auto Breaker 3P 30A AC500V MCCB Molded Case UL
Only 1 left
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$39.89
Fuji Electric
SA33C
Fuji Electric SA33C BB3ASC-020 Auto Circuit Breaker 3 Pole 20A 690VAC 50-60Hz
Only 1 left
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$32.89
Mersen
A60X100
Ferraz Shawmut A60X100 Amp-Trap Type 4 Semiconductor Fuse 100A 600VAC Bolt-In
Only 1 left
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$8.89
Mersen
TRS3-2/10R
Gould Shawmut Tri-Onic TRS3-2/10R Time Delay Fuse 3.2A 600VAC Class RK5 Ferraz
Only 2 left
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$8.89
Littelfuse
KLKR015
Littelfuse KLKR015 Class CC Fast Acting Fuse 15A 600VAC Electrical Lot of 20
Only 1 lot left
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$178.89 / lot of 20
Bussmann
NON-20
Bussmann BUSS NON-20 One-Time Fuse 20A 250VAC Class K5 Electrical Panel Lot of 9
Only 1 lot left
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$23.89 / lot of 9
Bussmann
LPS-RK-9SP
Bussmann Low-Peak LPS-RK-9SP Dual Element Time Delay Fuse 9A 600VAC Class RK1
Only 1 left
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$11.89
Littelfuse
KLDR005
Littelfuse KLDR005 KLDR-5 Class CC Time Delay Fuse 5A 600VAC Current Limiting
Only 1 left
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$8.89
Reliance Electric
RFN150
Reliance Electric RFN150 RFN-150 Rectifier Fuse 150A 250V Semiconductor Part
Only 1 left
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$44.89
Mersen
TRS90R
Ferraz Shawmut Gould TRS90R Tri-Onic Dual Element Time Delay Fuse 90A 600V RK5
Only 1 left
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$9.89
Edison
EDCC15
Edison Bussmann EDCC15 Class CC Time Delay Fuse 15A 600VAC Electrical Lot of 7
Only 1 lot left
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$24.89 / lot of 7
Edison
ECSR30
Edison ECSR30 Class RK5 Dual Element Time Delay Fuse 30A 600VAC Current Limiting
Only 1 left
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$8.89
Bullet
ECSR20
Bullet Edison ECSR20 Class RK5 Dual Element Time Delay Fuse 20A 600VAC Electric
Only 1 left
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$8.89
Bussmann
FNQ-R-4
Bussmann CC-TRON FNQ-R-4 Class CC Time Delay Fuse 4A 600V Electric Lot of 12
Only 1 lot left
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$63.89 / lot of 12
Littelfuse
JLS-100
Littelfuse JLS-100 Class J Fast Acting Fuse 100A 600VAC Current Limiting Panel
Only 1 left
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$23.89
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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.