Mersen
A50P800-4
Ferraz Shawmut Amp-Trap A50P800-4 Semiconductor Fuse 800A 500VAC 450VDC Form 101
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$34.89
Circuit Breakers, Fuses & Protection
3,512 listings · 3,453 in stock
3,512 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 & Accessories826 in stock
- Miniature & DIN Rail Circuit Breakers307 in stock
- Fuse Holders & Fuse Blocks252 in stock
- Disconnect & Safety Switches206 in stock
- Molded Case Circuit Breakers130 in stock
- Surge Protection & Ground Fault127 in stock
- Protective & Monitoring Relays30 in stock
Bussmann
JKS-200
Bussmann Limitron JKS-200 Class J Fast Acting Fuse 200A 600VAC Current Limiting
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$16.89
Mersen
A4BY800
Gould Shawmut Amp-Trap A4BY800 Form 480 Class L Fuse 800A 600V Current Limiting
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$64.89
Littelfuse
Littelfuse KLC 70 Rectifier Fuse 70A 600VAC Semi
Littelfuse KLC 70 Rectifier Fuse 70A 600VAC Semiconductor Industrial Electrical
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$14.89
Mersen
A50P700
Gould Shawmut Amp-Trap A50P700 Type 4 Semiconductor Fuse 700A 500VAC Rectifier
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$19.89
Industrial part
500V AC 70 Amp Bolt In Blade Fuse Made in USA In
500V AC 70 Amp Bolt In Blade Fuse Made in USA Industrial Electrical Power Part
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$1,998.89
Bussmann
KLU-800
Bussmann Limitron KLU-800 Time Delay Current Limiting Fuse 800A 600VAC Class L
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$35.89
Square D
Square D 1535 Panelboard Interior 3 Phase Main L
Square D 1535 Panelboard Interior 3 Phase Main Lug Circuit Breaker Panel Board
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$89.89
Allen-Bradley
1489-A1C015
Allen-Bradley 1489-A1C015 Miniature Circuit Breaker 1 Pole 1.5A C Curve DIN Rail
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$20.89
Square D
QOB3110VH
Square D QOB3110VH Bolt On Circuit Breaker 3 Pole 110A 240V 22kA QOD Panel Mount
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$62.89
Cutler-Hammer
Cutler-Hammer Gi 125 Molded Case Circuit Breaker
Cutler-Hammer Gi 125 Molded Case Circuit Breaker 3 Pole 60A 600V Industrial MCCB
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$28.89
Square D
QOB1205237
Square D QOB1205237 Bolt On Circuit Breaker 1 Pole 20A 120/240V 10kAIC Panel
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$36.89
Square D
QOB3155237
Square D QOB3155237 Bolt On Circuit Breaker 3 Pole 15A 240V HACR Panel Mount
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$113.89
Square D
QOB3405238
Square D QOB3405238 Bolt On Circuit Breaker 3 Pole 40A 240V Ring Terminal Panel
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$98.89
Eaton
AB-4579
Eaton AB-4579 Circuit Breaker 2 Pole Unit 10A 15A Vertical Surface Mount Panel
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$19.89
Eaton
AM3R-A3-LC07T-DU-10-2
Eaton Heinemann AM3R-A3-LC07T-DU-10-2 Circuit Breaker 3 Pole 10A 240V 50/60Hz
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$14.89
Eaton
AM2R-A3-LC07T-DU-10-2
Eaton Heinemann AM2R-A3-LC07T-DU-10-2 Circuit Breaker 2 Pole 10A 230V 50/60Hz
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$24.89
Mersen
OT6
Ferraz Shawmut OT6 One-Time Fuse 6 Amp 250VAC Class K5 Cartridge Mersen Gould
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$10.89
Edison
MCL3
Edison MCL3 3 Amp 600V Fast-Acting Midget Fuse Fusegear Industrial Electrical
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$9.89
Bussmann
SZQ-6C400
Bussmann Buss Semitron SZQ-6C400 400 Amp 800V Semiconductor Fuse Industrial SCR
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$16.89
Reliance Electric
KDS-30
Reliance KDS-30 Class K5 One Time Fuse 30A 600V Cartridge Electrical Supply
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$19.89
Bussmann
X1-70F60
Bussmann X1-70F60 Bolt-In Fuse Industrial Electrical Power Distribution Part
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$14.89
Mersen
A60X80
Gould Shawmut A60X80 Amp-Trap Semiconductor Fuse 80A 600VAC Type 4 Ferraz Part
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$10.89
Littelfuse
L50S-80
Littelfuse L50S-80 Semiconductor Fuse 80A 500VAC 450VDC Fast Acting Class L
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$49.89
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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.