ABB
OT40FT3
ABB OT40FT3 50-60HZ
Only 1 left
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$30.00
Circuit Breakers, Fuses & Protection
3,515 listings · 3,455 in stock
3,515 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 & Accessories827 in stock
- Miniature & DIN Rail Circuit Breakers307 in stock
- Fuse Holders & Fuse Blocks252 in stock
- Disconnect & Safety Switches206 in stock
- Molded Case Circuit Breakers131 in stock
- Surge Protection & Ground Fault127 in stock
- Protective & Monitoring Relays30 in stock
Bussmann
ATC-5
Buss Fuses ATC-5 T-50 (1 Lot of 2)
Only 1 lot left
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$25.00 / lot of 2
Bussmann
XL70F300
Bussman XL70F300
Only 1 left
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$235.00
General Electric
TED124060
General Electric TED124060 480VAC 60A 250VDC
Only 1 left
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$40.00
Mersen
67110
Ferraz Shawmut 67110 PDB, Adder 600V
Only 1 left
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$29.99
Telemecanique
2ME05/0.63-1A
Telemecanique GV 2ME05/0.63-1A
Only 1 left
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$15.00
Mersen
A500QS150
Shawmut Amptrap A500QS150 150AMPS (Lot of 2)
Only 3 lots left
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$26.00 / lot of 2
Allen-Bradley
1495-N8
Allen-Bradley 1495-N8 SER A Allen-Bradley 1494V-DS30 Allen-Bradley 1494V-FS30
Only 1 left
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$64.00
Fuji Electric
BU-JHB2150
Fuji BU-JHB BU-JHB2150 150AMP 2POLE 40C 600VAC 250VDC
Only 1 left
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$149.99
Industrial part
TNI21
Safety Switch Accessories Neutral for TNI21 Model 1
Only 2 left
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$20.00
Siemens
5SY41
Siemens MCB 5SY41 D20 230/400V Set of 2
Only 1 left
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$17.00
Siemens
5SY41
Siemens MCB 5SY41 D6 230/400V
Only 4 left
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$15.00
Siemens
5SY41
Siemens MCB 5SY41 D10 230/400V
Only 1 left
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$10.00
Bussmann
FNQ-5
Buss MAN Tron FNQ-5 Lot of 6
Only 1 lot left
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$11.00 / lot of 6
Bussmann
Buss Fuses GDC 2.5A Lot of 2
Buss Fuses GDC 2.5A Lot of 2
Only 2 lots left
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$12.00 / lot of 2
Industrial part
K154
Hoyt Contact Kit K154 NOS Open Box
Only 2 left
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$17.00
Brady
103581
BRADY 103581 Single Pole Breaker Lockout: Clamp-On, For 120/277V AC Volt
Only 1 left
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$20.99
Bussmann
FRN-R-1
Bussmann Fusetron FRN-R-1 250V.. Lot of 2
Only 1 lot left
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$14.00 / lot of 2
Bussmann
Buss Fuses SC-60
Buss Fuses SC-60
Only 1 left
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$2,009.70
Bussmann
Buss G Fuse SC-6... Box of 10
Buss G Fuse SC-6... Box of 10
Only 1 lot left
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$79.99 / lot of 10
Bussmann
GLQ-3
Cooper Bussmann GLQ-3 448H Min. Fuse
Only 1 left
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$2,009.70
Allen-Bradley
194R-NC030P3
Allen-Bradley 194R-NC030P3 SER B 30A 600VAC 194Rf-30
Only 1 left
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$30.00
Allen-Bradley
194R-NC030P3
Allen-Bradley 194R-NC030P3 SER A
Only 2 left
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$20.00
Siemens
5SX2
Siemens 5SX2 C1 480V AC with 5SX9100 2 Pole Breaker
In stock
Free shippingShips next business day
$20.00
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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.