Square D
17471
Square D MG 17471 Multi 9 C60 Supplementary Protector 480Y/277V 15A Industrial
Only 1 left
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$63.89
Circuit Breakers, Fuses & Protection
3,505 listings · 3,451 in stock
3,505 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 & Accessories826 in stock
- Miniature & DIN Rail Circuit Breakers304 in stock
- Fuse Holders & Fuse Blocks251 in stock
- Disconnect & Safety Switches206 in stock
- Molded Case Circuit Breakers133 in stock
- Surge Protection & Ground Fault127 in stock
- Protective & Monitoring Relays30 in stock
Potter & Brumfield
W69-A2Q12-25
Potter Brumfield W69-A2Q12-25 Circuit Breaker 3-Pole 25A 277VAC Industrial
In stock
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$21.89
Heinemann
JA2-Z520-1
Heinemann JA2-Z520-1 Circuit Breaker 2-Pole 20A 250V 50/60Hz Industrial Control
In stock
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$11.89
General Electric
V17213
General Electric V17213 V-Line Miniature Circuit Breaker 2-Pole DIN Rail Control
In stock
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$10.89
Altech
2BU10
Altech 2BU10 Circuit Breaker 10A 480Y/277V AC 2-Pole B Curve DIN Rail Industrial
In stock
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$15.89
Airpax
219-3-8303-13
Airpax 219-3-8303-13 Hydraulic Magnetic Circuit Breaker 25A 600V 3 Pole 50/60Hz
In stock
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$82.89
Stanley
BR1101W-TR
Stanley Electric BR1101W-TR Red LED 1206 SMD 1.6MCD 20mA 1.7V Lot of 1000 Reel
Only 1 lot left
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$296.89 / lot of 1,000
Bussmann
MDL-7
Bussmann MDL-7 Time Delay Fuse 7A 250VAC Pack of 5 Electrical Industrial Part
Only 5 lots left
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$8.89 / lot of 5
Industrial part
U79036
Nitsuko U79036 Electrolytic Capacitor 400VDC 1800UF PWR3A Surge 450V Industrial
Only 4 left
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$14.89
Bussmann
GMT-1/4
Bussmann GMT-1/4 Indicating Fuse 0.25A 125VAC Lot of 5 Electrical Industrial USA
Only 4 lots left
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$29.89 / lot of 5
Marathon
6F60A1B
Marathon 6F60A1B 4100033 1P 60A 600V Class H Fuse Block Holder Industrial Power
In stock
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$10.89
Wohner
Wohner 63A 690V Ceramic Fuse Holder DIN Rail Mou
Wohner 63A 690V Ceramic Fuse Holder DIN Rail Mount 1 Pole Industrial Electrical
Only 3 left
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$6.89
Square D
9421VB2
Square D 9421VB2 Main Disconnect Switch 3 Pole 40A 660V Ser A Industrial Panel
Only 1 left
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$49.89
Westinghouse
1418855
Westinghouse 1418855 Auxiliary Switch Circuit Breaker Contact Block Lot of 2
Only 1 lot left
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$105.89 / lot of 2
Bussmann
ABC-3
Bussmann ABC-3 Ceramic Fast Acting Fuse 3A 250V 1/4 x 1-1/4 Lot of 5 Fast Blow
In stock
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$6.89 / lot of 5
ABB
VB013-12AO2
ABB VB013-12AO2 Surge Suppressor Snubber Device Module Industrial Motor Control
Only 1 left
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$14.89
TE Connectivity
TE Connectivity 4820 FASTON Female Quick Disconn
TE Connectivity 4820 FASTON Female Quick Disconnect Terminals Lot of 10 Crimp
In stock
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$11.89 / lot of 10
Merlin Gerin
NSC160S
Merlin Gerin NSC160S Smart Circuit Breaker 160A 3 Pole 690VAC MCCB Schneider
Only 1 left
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$88.89
Industrial part
DC Power Supply for 15 Receivers 12V 30mA Output
DC Power Supply for 15 Receivers 12V 30mA Output 115/230VAC Input 2A Fuse Unit
Only 1 left
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$39.89
Bussmann
FWA-100A
Bussmann Eaton FWA-100A 100A 150 Volt AC High Speed Semiconductor Bolt-On Fuse
Only 2 left
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$10.89
Square D
FAL26020
Square D FAL26020 Molded Case Circuit Breaker 20A 2 Pole 240V 600V Series 2 MCCB
Only 1 left
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$27.89
Phoenix Contact
TMC-1-M1-200-10A
Phoenix Contact TMC-1-M1-200-10A Thermal Circuit Breaker 10A DIN Rail AC250V
Only 1 left
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$8.89
Square D
Square D Box Lug Connector Wire Terminal Breaker
Square D Box Lug Connector Wire Terminal Breaker Panelboard 16-4 AWG Lot of 12
Only 5 lots left
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$11.89 / lot of 12
Bussmann
Bussmann 600V 30 60A 1 Pole Fuse Block Holder Cl
Bussmann 600V 30 60A 1 Pole Fuse Block Holder Class H Industrial Electrical
Only 4 left
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$11.89
Get a quote on Circuit Breakers, Fuses & Protection
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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.