Circuit Breakers & Disconnectors
Circuit Breakers & Disconnectors are electrical components used to protect circuits from overloads or short circuits. Circuit breakers are automatic switches that open when the current exceeds a certain level. Disconnectors are manual switches that isolate circuits for maintenance or repair purposes.
Showing 1–52 of 228 results
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Siemens HNF361 Non-Fusible Heavy Duty Safety Switch 30A 600VAC 250VDC nnb
Original price was: $70.59.$57.00Current price is: $57.00. -
Siemens HNF361 Non-Fusible Heavy Duty Safety Switch 30A 600VAC 250VDC
Original price was: $41.18.$33.25Current price is: $33.25. -
Siemens HNF363R Heavy Duty Safety Switch 100A 3P 600VAC VDC Non-Fused
Original price was: $364.72.$294.50Current price is: $294.50. -
Allen-Bradley 1492-GH015 Circuit Breaker Ser B 1.5A 250VAC, 65VDC
Original price was: $23.53.$19.00Current price is: $19.00. -
Square D 9080GCB20 Circuit Breaker Ser C 2A 250VAC, 65VDC
Original price was: $5.88.$4.75Current price is: $4.75. -
Schneider Electric 24508 Miniature Circuit Breaker D 16A Multi 9 C60 16A 1 Pole
Original price was: $22.35.$18.05Current price is: $18.05. -
Schneider Electric VCCF02 3 Pole Isolation Load Break Switch 12A
Original price was: $131.77.$106.40Current price is: $106.40. -
Siemens 3VE1010-2K Manual Motor Starter Circuit Breaker 4.0-6.3A
Original price was: $5.88.$4.75Current price is: $4.75. -
Siemens 3VE1010-2M Manual Motor Starter Circuit Breaker 10-16A
Original price was: $35.30.$28.50Current price is: $28.50. -
Mitsubishi NF30-KC 5A Circuit Breaker 5A 3 Pole No-Fuse 500VAC
Original price was: $23.53.$19.00Current price is: $19.00. -
Mitsubishi NF30-CS 3A Circuit Breaker 3A 3 Pole No-Fuse 500VAC
Original price was: $17.65.$14.25Current price is: $14.25. -
Mitsubishi NF30-KC 10A Circuit Breaker 10A 2 Pole No-Fuse 500VAC
Original price was: $41.18.$33.25Current price is: $33.25. -
Mitsubishi NF30-KC 3A Circuit Breaker 3A 2 Pole No-Fuse 500VAC
Original price was: $14.71.$11.88Current price is: $11.88. -
Fuji SA52RCUL Circuit Breaker SA52RCUL 10 10A 2 Pole 240VAC
Original price was: $23.53.$19.00Current price is: $19.00. -
Fuji BW32AAG-2P010 Circuit Breaker 10A 2 Pole
Original price was: $35.30.$28.50Current price is: $28.50. -
Mitsubishi NV50-SWU Circuit Breaker 20A 3 Pole 120/240VAC GFI
Original price was: $35.30.$28.50Current price is: $28.50. -
Mitsubishi NV50-SW Circuit Breaker 20A Earth-Leakage 3 Pole 230/400/440VAC
Original price was: $35.30.$28.50Current price is: $28.50. -
Fuji EW32AAG-2P005 Circuit Breaker 5A 2 Pole missing screws
Original price was: $41.18.$33.25Current price is: $33.25. -
Fuji EW32AAG-2P005 Circuit Breaker 5A 2 Pole
Original price was: $52.94.$42.75Current price is: $42.75. -
Siemens 3RV1041-4KA10 Manual Motor Starter Circuit Breaker 57-70A S3
Original price was: $158.83.$128.25Current price is: $128.25. -
Fuji BW9FHA-A Shunt Trip
Original price was: $52.94.$42.75Current price is: $42.75. -
Schneider Electric GV2ME14 Motor Circuit Breaker GV2 ME14 6-10A
Original price was: $58.82.$47.50Current price is: $47.50. -
Siemens HNF361 Heavy Duty Safety Switch 30A 3P 600VAC 250VDC NEMA Type 1 Non-Fused
Original price was: $88.24.$71.25Current price is: $71.25. -
Siemens 3RV1742-5DD10 Circuit Breaker 25A New in Box
Original price was: $376.48.$304.00Current price is: $304.00. -
Siemens 3RV2011-0AA20 Circuit Breaker 0.11-0.16A
Original price was: $111.77.$90.25Current price is: $90.25. -
Siemens 3RV2011-0EA20 Circuit Breaker 0.28-0.4A
Original price was: $121.18.$97.85Current price is: $97.85. -
Siemens 3RV2011-1HA25 Circuit Breaker 5.5-8.0A
Original price was: $182.36.$147.25Current price is: $147.25. -
Siemens 3RV2011-0FA20 Circuit Breaker 0.35-0.5A
Original price was: $167.65.$135.38Current price is: $135.38. -
Siemens 3RV2011-1KA25 Circuit Breaker 9.0-12.5A
Original price was: $178.83.$144.40Current price is: $144.40. -
Siemens 3RV2711-1FD10 Circuit Breaker 5A
Original price was: $131.77.$106.40Current price is: $106.40. -
Siemens 3RV2011-1DA20 Circuit Breaker 2.2-3.2A
Original price was: $123.53.$99.75Current price is: $99.75. -
Siemens 3RV1742-5QD10 Circuit Breaker
Original price was: $294.12.$237.50Current price is: $237.50. -
Square D HU361DS Heavy Duty Safety Switch 30A 600V AC/DC S/S Stainless Steel Non-Fusible Disconnect
Original price was: $1,000.02.$807.50Current price is: $807.50. -
Eaton PKZM4-63/AK Motor Protector Circuit Breaker XTPR063DC1 55-63A Moeller
Original price was: $411.78.$332.50Current price is: $332.50. -
Siemens 3RV2011-1GA20 Circuit Breaker 4.5-6.3A
Original price was: $123.53.$99.75Current price is: $99.75. -
Siemens 3RV2011-1AA20 Circuit Breaker 1.1-1.6A
Original price was: $276.48.$223.25Current price is: $223.25. -
Shihlin Electric CNS 14985-1 Miniature Circuit Breaker IEC 60947-2 Ser A 32A BHA 32
Original price was: $29.41.$23.75Current price is: $23.75. -
Merlin Gerin NSF250 HC Circuit Breaker 250A 3 Pole
Original price was: $158.83.$128.25Current price is: $128.25. -
Merlin Gerin 29278/29279 Compact NSF Plug in Base DP-3468 3 Pole
Original price was: $64.71.$52.25Current price is: $52.25. -
Square D FA36100 Circuit Breaker ZZ-7385 100A 3 Pole
Original price was: $158.83.$128.25Current price is: $128.25. -
Siemens NDX3B100 Circuit Breaker 3VL2110-1KN30-0AA0 100A 3 Pole
Original price was: $141.18.$114.00Current price is: $114.00. -
Allen-Bradley 140U-D6D3-B10 Circuit Breaker 1A PN-189080 3 Pole Ser B
Original price was: $382.36.$308.75Current price is: $308.75. -
Allen-Bradley 140-MN-0400 Manual Motor Starter Circuit Breaker 2.5-4.0A Ser C 3 Pole
Original price was: $5.88.$4.75Current price is: $4.75. -
Allen-Bradley 140-MN-0400 140-A210 Manual Motor Starter Circuit Breaker 2.5-4.0A Ser C 3 Pole
Original price was: $11.76.$9.50Current price is: $9.50. -
Allen-Bradley 140-MN-0100 Manual Motor Starter Circuit Breaker 0.63-1.0A Ser C 3 Pole
Original price was: $11.76.$9.50Current price is: $9.50. -
Allen-Bradley 140-MN-0100 140-A210 Manual Motor Starter Circuit Breaker 0.63-1.0A Ser C 3 Pole
Original price was: $15.29.$12.35Current price is: $12.35. -
Allen-Bradley 140-MN-0160 Manual Motor Starter Circuit Breaker 1.0-1.6A Ser C 3 Pole
Original price was: $23.53.$19.00Current price is: $19.00. -
Allen-Bradley 140-MN-0160 140-A210 Manual Motor Starter Circuit Breaker 1.0-1.6A Ser C 3 Pole
Original price was: $25.88.$20.90Current price is: $20.90. -
Allen-Bradley 140-MN-0063 Manual Motor Starter Circuit Breaker 0.40-0.63A Ser C 3 Pole
Original price was: $15.29.$12.35Current price is: $12.35. -
Allen-Bradley 140-MN-0250 Manual Motor Starter Circuit Breaker 1.6-2.5A Ser C 3 Pole
Original price was: $17.65.$14.25Current price is: $14.25. -
Allen-Bradley 140-MN-0630 Manual Motor Starter Circuit Breaker 4.0-6.3A Ser C 3 Pole
Original price was: $17.65.$14.25Current price is: $14.25. -
Allen-Bradley 140-L2 Terminal Link Ser C
Original price was: $3.53.$2.85Current price is: $2.85.