Eaton
WMZS3D05
Eaton WMZS3D05 UL1077 Miniature Circuit Breaker 277-480VAC 10KA
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$13.89
Miniature & DIN Rail Circuit Breakers
303 listings · 261 in stock
303 miniature & DIN rail circuit breakers listings from the brands you use, each one photographed. Free shipping to all 50 US states.
Weekly new-arrivals email for Miniature & DIN Rail Circuit Breakers
Cutler-Hammer
D30 WMS3D30
Cutler Hammer Supplementary Protector CSA 235 240-415V 5-10KA D30 WMS3D30
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$38.89
Industrial part
ALLE4N
ALLE4N Bradley 1492-GH070 250V 50/60 65V
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$13.89
Eaton
FAZ-C20/1-NA
Eaton FAZ-C20/1-NA -SP 50/60HZ
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$12.89
Eaton
WMZS1B06
Eaton WMZS1B06 6A 10kA Type B SP UL1077
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$9.89
Westinghouse
MCP03150RC
Westinghouse Motor.Circuit Protector MCP03150RC
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$12.89
ABB
GSN201L-C16
ABB ABB Miniature Circuit Breaker with Leakage Protection 1P+N GSN201L-C16
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$43.89
Fuji Electric
CP31
Fuji Electric CP31 15A 41-19573 Circuit Protector
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$7.99
Allen-Bradley
1489-A
Allen Bradley 1489-A 1489-A1C150 SER. A 1 Pole 277V 48V
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$13.89
Allen-Bradley
1489-A
Allen Bradley 1489-A 1489-A1C250 SER. A 1 Pole 277V 48V
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$32.89
Square D
EGB14020
Square D EGB14020 1-Pole 20 A Mini Circuit Breaker 277 VAC
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$11.89
Siemens
SX21 5SX2
Siemens 5 SX21 5SX2 277V AC A 002376 230/400V
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$31.89
Eaton
FAZ-C25/2-NA
Eaton FAZ-C25/2-NA Miniature Circuit Breaker
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$25.89
Square D
C7A
Square D Merlin Gerin C7A 60142 240V 125V Multi 9 C60 (Retainer Tab Missing)
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$41.89
Square D
C2A
Square D Merlin Gerin C2A 60137 240V 125V Multi 9 C60
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$165.89
ABB
ABB S 273 K 63 A 400 6000 Circuit Breaker MCB
ABB S 273 K 63 A 400 6000 Circuit Breaker MCB
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$26.89
ABB
S202P-Z20A
ABB S202P-Z20A Circuit Breaker 2 Pole MCB 2P Z 20A 480Y/277
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$10.89
ABB
S201P-K20A
ABB S201P-K20A 2CD S281 001 R0487 277/480
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$10.89
Mitsubishi
CP30BA-1P-21-M-5A
Mitsubishi CP30BA-1P-21-M-5A Circuit Protector K55-N9788-01 Mazak D51MA013550
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$48.89
Schneider Electric
C60
SCHNEIDER ELECTRIC C 15A C60 MULTI 9 277V MGN61331 Voltage 480Y/277V Poles 3P
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$50.89
ABB
ABB S 281 K 4A
ABB S 281 K 4A
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$13.89
ABB
ABB S 281 K 10A
ABB S 281 K 10A
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$8.99
Eaton
D5/1-NA-SP
Eaton FAZ D5/1-NA-SP Mini Circuit Breaker 240/415V 50/60HZ 1 Pole Unit
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$9.89
Industrial part
2103-5AAA
Circuit Protector 2103-5AAA 50/60HZ 6.75A 125VAC
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$9.89
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Guides for Miniature & DIN Rail Circuit Breakers
- 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.