3M
MNHU14-250DMIK
3M MNHU14-250DMIK Heat Shrink Insulated Male Disconnect 16-14 AWG LOT OF 25
Only 1 lot left
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$12.89 / lot of 25
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
FMX-30LP
Bussmann FMX-30LP NAPA 30A Low Profile Female Maxi Fuse Automotive Fusible Link
Only 1 left
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$9.89
Airpax
LEGH66-1-63-15.0-A-01-V
Airpax LEGH66-1-63-15.0-A-01-V Hydraulic Magnetic Circuit Breaker 15A 250V 4kV
Only 3 left
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$94.89
Industrial part
4011154
Simco-Ion 4011154 Vision i Controller Ionizer Current Monitor 100-240VAC 0.5A
Only 1 left
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$559.89
Mersen
TRS60RID
Ferraz Shawmut TRS60RID Tri-Onic Time Delay Fuse 60A 600VAC 300VDC Class RK5
Only 2 left
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$9.89
Bussmann
FRS-R-15
Bussmann Fusetron FRS-R-15 Dual Element Time Delay Fuse 15A 600VAC Class RK5
Only 5 left
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$9.89
Siemens
BQ2B050QX
Siemens BQ2B050QX Type BQQ 2 Pole 50A 120/240V Circuit Breaker 10kA Industrial
In stock
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$20.89
Mersen
GAB8
Ferraz Shawmut GAB8 Fast Acting Ceramic Fuse 8A 250V 200A 1/4x1-1/4 Industrial
Only 5 left
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$9.89
Mersen
GDL5
Ferraz Shawmut GDL5 Time Delay Glass Fuse 5A 250V 1/4x1-1/4 Slow Blow LOT OF 10
Only 1 lot left
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$9.89 / lot of 10
Bussmann
MDA-2-1/2
Bussmann MDA-2-1/2 Ceramic Time Delay Fuse 2.5A 250V Slow Blow 6x32mm LOT OF 10
Only 1 lot left
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$13.89 / lot of 10
Bussmann
AGC-10
Bussmann AGC-10 Fast Acting Glass Fuse 10A 250V 1/4 x 1-1/4 Cartridge 3AG Buss
In stock
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$9.89
Bussmann
AGC-3/8
Bussmann AGC-3/8 Fast Acting Glass Fuse 0.375A 250V 1/4 x 1-1/4 Cartridge 3AG
In stock
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$9.89
Bussmann
AGC-20
Bussmann AGC-20 Fast Acting Glass Fuse 20A 250V 1/4 x 1-1/4 Cartridge LOT OF 5
In stock
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$9.89 / lot of 5
Bussmann
FNQ-10
Bussmann FNQ-10 Tron Time-Delay Fuse 10A 500V Midget Supplemental Electrical
Only 3 left
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$9.89
Bussmann
AGC-2-1/2
Bussmann AGC-2-1/2 Fast Blow Glass Fuse 2.5A 250V 1/4 x 1-1/4 Cartridge LOT OF 5
In stock
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$9.89 / lot of 5
Bussmann
AGC-5
Bussmann AGC-5 Fast Acting Glass Fuse 5A 250V 1/4 x 1-1/4 Cartridge LOT OF 5
Only 2 lots left
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$9.89 / lot of 5
Bussmann
FRN-R-2
Bussmann Fusetron FRN-R-2 Time Delay Fuse 2A 250V Class RK5 Cartridge LOT OF 2
Only 1 lot left
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$9.89 / lot of 2
Bussmann
GMA-1
Bussmann GMA-1 Fast Acting Glass Fuse 1A 250V 5x20mm Cartridge Panel LOT OF 5
Only 2 lots left
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$9.89 / lot of 5
Bussmann
KTK-R-2
Bussmann Limitron KTK-R-2 Class CC Fast Acting Fuse 2A 600V Limiting LOT OF 3
Only 1 lot left
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$17.89 / lot of 3
Bussmann
FRN-R-3
Bussmann Fusetron FRN-R-3 Time Delay Fuse 3A 250V Class RK5 Cartridge LOT OF 5
Only 2 lots left
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$22.89 / lot of 5
Bussmann
FNQ-4-1/2
Bussmann Fusetron FNQ-4-1/2 Time Delay Fuse 4.5A 500V Midget Supplemental 10kA
In stock
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$9.89
Bussmann
FNA-1
Bussmann Fusetron FNA-1 Pin Indicating Time Delay Fuse 1A 125V Dual Element
In stock
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$9.89
Bussmann
FNM-10
Bussmann Fusetron FNM-10 Time Delay Fuse 10A 250V Dual Element Midget Industrial
In stock
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$9.89
General Electric
SELA36AI00
GE Spectra RMS SELA36AI00 Mag-Break Circuit Breaker 3 Pole 600VAC Molded Case
Only 1 left
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$223.89
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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.