Square D
030386
Square D Amptector II - A Model DU 030386 6997D20G41
Only 1 left
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$194.00
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
Allen-Bradley
194R-MN030P3
Allen-Bradley 194R-MN030P3 SER B 200-600VAC 30A 250VDC 195-GA
Only 1 left
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$15.00
Bussmann
REN 70 Buss Super LAG Fuse
REN 70 Buss Super LAG Fuse
Only 3 left
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$24.00
Fusetron
Fusetron FRS 5
Fusetron FRS 5
Only 4 left
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$20.00
Fusetron
Fusetron FRN-R 100 50 Volt (Lot of 4)
Fusetron FRN-R 100 50 Volt (Lot of 4)
Only 1 lot left
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$59.99 / lot of 4
Bussmann
REN 400 Buss Super LAG
REN 400 Buss Super LAG
Only 1 left
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$17.00
Bussmann
Bussman Fusetron FRN 200
Bussman Fusetron FRN 200
Only 3 left
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$84.99
Fusetron
Fusetron Dual Element Fuses FRN 100 250 Volts (B
Fusetron Dual Element Fuses FRN 100 250 Volts (Box of 5)
Only 4 lots left
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$79.99 / lot of 5
Bussmann
One Time Buss Fuses Non 70 250 Volt( Box of 5)
One Time Buss Fuses Non 70 250 Volt( Box of 5)
Only 1 lot left
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$64.99 / lot of 5
Amp-trap
AJT15
Amp-Trap AJT15 15A 600V
Only 1 left
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$20.00
Bussmann
Bussmann LPJ 15SP Low-Peak Ultimate Protection 6
Bussmann LPJ 15SP Low-Peak Ultimate Protection 600VAC
In stock
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$16.99
Siemens
RT-1225
Siemens RT-1225 1 Pole Type BL Circuit Breaker (Lot of 4)
In stock
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$20.00 / lot of 4
Amp-trap
A055F2D0R0-400E
Amp-Trap A055F2D0R0-400E Current-Limiting Power Fuse CS-3
Only 1 left
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$285.00
Eaton
WMZS1B06
Eaton WMZS1B06 6A 10kA Type B SP UL1077
Only 3 left
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$10.00
Bussmann
FRS-250
Bussmann Fuse Fusetron FRS-250
Only 2 left
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$25.00
Bussmann
FRN-R-20
Bussmann Fuse FRN-R-20... Lot of 10
Only 1 lot left
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$50.00 / lot of 10
Bussmann
FWH-175B
Bussmann Fuse FWH-175B
Only 1 left
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$25.00
Bussmann
JSS-3
Bussmann Fuse JSS-3... Lot of 2
Only 1 lot left
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$10.00 / lot of 2
Bussmann
MDL-1
Bussmann Fuse MDL-1... Lot of 5
Only 2 lots left
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$7.00 / lot of 5
Bussmann
FRN-R-35
FRN-R-35 Fusetron Class RK5 Fuses Bussmann... Lot of 7
Only 1 lot left
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$30.00 / lot of 7
Bussmann
FRN-R-15
FRN-R-15 Fusetron ® QTY.10 Class RK5 Fuses Cooper Bussmann
Only 1 left
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$50.00
Bussmann
FRN-R-15
FRN-R-15 Fusetron ® QTY.10 Class RK5 Fuses Cooper Bussmann INC.
Only 1 left
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$85.00
Bussmann
10/PK
Bussmann One-Time Buss Fuses Non 15.. 10/PK
Only 1 lot left
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$30.00 / lot of 10
Bussmann
Bussmann One-Time Buss Fuse Non 150
Bussmann One-Time Buss Fuse Non 150
Only 3 left
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$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.