Bussmann
FRS-R-10
Bussmann Fusetron FRS-R-10 Dual Element Time Delay Fuse 10A 600V RK5 Lot of 4
Only 1 lot left
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$18.89 / lot of 4
Circuit Breakers, Fuses & Protection
3,498 listings · 3,444 in stock
3,498 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 & Accessories822 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 Fault125 in stock
- Protective & Monitoring Relays30 in stock
Mersen
A70P15
Gould Shawmut Amp-Trap A70P15 Type 1 Semiconductor Fuse 15A 700VAC Lot of 3
Only 1 lot left
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$19.89 / lot of 3
Reliance Electric
ECSR40
Reliance Brush ECSR40 Class RK5 Dual Element Time Delay Fuse 40A 600VAC Panel
Only 1 left
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$9.89
Bussmann
FRS-R-3-1/2
Bussmann Fusetron FRS-R-3-1/2 Dual Element Time Delay Fuse 3.5A 600V Lot of 3
Only 1 lot left
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$8.89 / lot of 3
Mersen
AFH30C-12B
Mersen AFH30C-12B Inline Fuse Holder 32V 30A for AF Blade Fuses Wire Lot of 10
In stock
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$64.89 / lot of 10
Eaton
FA29A18
Eaton Cooper Power NX FA29A18 Current Limiting Distribution Fuse 18A 8.3kV 50kA
In stock
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$449.00
Mersen
AFH30C-12B
Mersen AFH30C-12B Inline Fuse Holder 32V 30A for AF Blade Fuses Wire Pigtail
Only 5 left
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$9.89
Mersen
USBB3PH25K57C
Mersen USBB3PH25K57C UltraSafe Busbar 3-Phase 57-Pole 600V Copper Comb Lot of 5
Only 1 lot left
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$304.89 / lot of 5
Potter & Brumfield
W58-XB1A4A-10
Potter & Brumfield W58-XB1A4A-10 Thermal Circuit Breaker 10A 250VAC Panel Mount
Only 1 left
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$11.89
Brush
KOS-15
Brush KOS-15 One Time Fuse Class K5 15A 600V Cartridge Industrial Electrical
Only 1 left
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$20.89
Bussmann
AGC-8-R
Bussmann AGC-8-R Fast Acting Glass Fuse 8A 250V 1/4x1-1/4 Electrical BAG OF 80
Only 1 lot left
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$85.89 / lot of 80
Square D
Square D 15A Single Pole Circuit Breaker 10kA 12
Square D 15A Single Pole Circuit Breaker 10kA 120/240V Plug-On Panel Electrical
Only 2 left
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$8.00
Fuji Electric
SG103CUL
Fuji Electric SG103CUL 100A Earth Leakage Circuit Breaker 240V 3 Pole 35kA ELCB
Only 3 left
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$111.89
Mitsubishi
CP30-BA
Mitsubishi Electric CP30-BA Circuit Protector 7A 2 Pole 220VAC 2.5kA Curve M
In stock
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$8.89
Mitsubishi
Mitsubishi NV-ZLA Earth Leakage Relay 480V 100-2
Mitsubishi NV-ZLA Earth Leakage Relay 480V 100-200-500mA Ground Fault Detector
Only 1 left
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$21.89
Fuji Electric
SA52RC
Fuji Electric SA52RC BB2BRC-020 Auto Circuit Breaker 20A 2 Pole AC600V MCCB
Only 3 left
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$85.00
Mitsubishi
CP30-BA
Mitsubishi Electric CP30-BA Circuit Protector 2A 1 Pole 220VAC 2.5kA Curve M
In stock
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$8.89
Fuji Electric
EW32AAG-2P015
Fuji Electric EW32AAG-2P015 Earth Leakage Circuit Breaker 15A 2-Pole 100-230VAC
Only 1 left
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$32.89
ABB
T1N100
ABB SACE Tmax T1N100 Molded Case Circuit Breaker 3 Pole 50A 480-600V Electrical
Only 2 left
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$54.89
Thomas & Betts
RA18-250FL
Thomas & Betts RA18-250FL Sta-Kon Nylon Female Disconnect 22-18 AWG Box of 100
Only 5 lots left
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$150.00 / lot of 100
Economy
Economy ERN 600 Renewable Cartridge Fuse 600 Amp
Economy ERN 600 Renewable Cartridge Fuse 600 Amp 250 Volt Industrial Electrical
Only 1 left
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$61.89
Square D
HQO306
Square D HQO306 I-Line Panel Adapter 6 Spaces QO 15-30A Breaker 240V 3 Phase
Only 1 left
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$62.89
Fuji Electric
EA52C
Fuji Electric EA52C 2 Pole 10A Auto Breaker Molded Case 230-440V AC 50/60Hz
Only 1 left
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$19.89
Eaton
FAZ-C3/1
Eaton FAZ-C3/1 Miniature Circuit Breaker 3A 1 Pole C Curve 277VAC DIN Rail Mount
Only 1 left
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$8.89
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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.