Pillar
S-MCB-2B
Pillar Fittings S-MCB-2B
Only 1 left
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$20.00
Circuit Breakers, Fuses & Protection
3,524 listings · 3,464 in stock
3,524 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 & Accessories829 in stock
- Miniature & DIN Rail Circuit Breakers308 in stock
- Fuse Holders & Fuse Blocks254 in stock
- Disconnect & Safety Switches207 in stock
- Molded Case Circuit Breakers132 in stock
- Surge Protection & Ground Fault129 in stock
- Protective & Monitoring Relays30 in stock
Klein Tools
ET300
Klein Tools ET300 Digital Circuit Breaker
Only 1 left
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$15.00
Bussmann
5/PACK
Bussmann Cooper GMA 200MA '5/PACK'
Only 1 lot left
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$9.00 / lot of 5
Industrial part
LP-CC-10
Low-Peak Class CC LP-CC-10 'Lot of 8'
Only 1 lot left
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$35.00 / lot of 8
Bussmann
JP60030-3C0RA
Buss Fuseblock JP60030-3C0RA
Only 5 left
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$29.00
Fusetron
FRS-R-1-6/10
Fusetron FRS-R-1-6/10 600V 1.6... Lot of 6
Only 3 lots left
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$44.95 / lot of 6
General Electric
TEC36015
GE MAG-Break Circuit Breaker TEC36015 15AMP 600VAC 3POLE
Only 1 left
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$90.00
Eurotherm
Eurotherm 818S/TC/ROV5/NONE/NONE/NONE/XOV10/MOV1
Eurotherm 818S/TC/ROV5/NONE/NONE/NONE/XOV10/MOV10/SN/05/0/1600/C/NO/NO/E/IN
Only 1 left
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$309.00
Moeller
3.1/4-PKZM1
Moeller B 3.1/4-PKZM1 63A 690V
Only 1 left
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$10.00
Siemens
3VE1010-2C
Siemens 3VE1010-2C 380-660V 100KA 3A
Only 1 left
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$9.00
Eaton
FAZ-D5/1
Eaton Corporation FAZ-D5/1 Circuit Breaker Single Pole 277VAC 5AMP
Only 1 left
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$8.00
ABB
MCBH-21
ABB MCBH-21.- IS-H8OMCONTACT Block
In stock
Free shippingShips next business day
$30.00
General Electric
2-LAMP
GE-2-Lamp Wiring Harness Kit w/Inline Fuse; BT8-2L-KIT/NS 120-277V
In stock
Free shippingShips next business day
$29.99
Industrial part
G8A01144C
Therm-O-Disc G8A01144C THERMODISC FUSE THERMAL CUTOFF 144C Thermal Cut... 2/LOT
In stock
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$204.99 / lot of 2
Pass Seymour
PS40-MCBK
Pass & Seymour PS40-MCBK Cameras and Other Video Equipment
Only 1 left
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$19.00
Eaton
GFI11A433
Eaton GFI11A433 25FT IN-Line GFCI Cordset 15AMP 120VAC Auto Reset Single TAP
Only 1 left
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$109.00
Eaton
GFI11A133
Eaton Ground Fault Circuit Interrupter GFI11A133
Only 2 left
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$109.00
Eaton
GFI11M433
Eaton GFI11M433 112823 Manual Reset
Only 4 left
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$139.99
Eaton
GFI12A4NN
Eaton GFI12A4NN 2FT 20AMP 120VAC
Only 3 left
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$49.99
Husky
CHM400
Husky CHM400
Only 1 left
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$20.00
Allen-Bradley
1497-D-BASX-3-N
Allen-Bradley 1497-D-BASX-3-N SER A 220-480V Amp-Trap 2000 ATQR2 2A 600V AC
Only 1 left
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$35.00
Waytek
47080
Waytek 47080 Fuse Blocks and Holders
In stock
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$10.00
Mersen
ATMR1/2
Ferraz Shawmut Class CC Fuse ATMR1/2 1/2AMP.. Lot of 4
Only 1 lot left
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$15.00 / lot of 4
ABB
MCB-10G
ABB MCB-10G, 60947-5-1 Motor Operation and Control Each
In stock
Free shippingShips next business day
$50.00
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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.