Collection: Circuit Breakers & Disconnectors for Reliable Electrical Protection
Ensure safe and efficient power management with our premium selection of circuit breakers and disconnectors. Designed for residential, commercial, and industrial use, our products provide dependable overcurrent protection, short-circuit prevention, and power isolation for maintenance and emergency shutdowns.
Browse a complete range of miniature circuit breakers (MCBs), molded case circuit breakers (MCCBs), and electrical disconnect switches.
Whether you're upgrading a power distribution system, building an industrial control panel, or replacing a faulty electrical disconnect, we have the right solution for your needs. Shop now for high-quality, circuit protection devices backed by expert support and fast shipping.

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SIEMENS 5SL63047RC MCB C4 MINIATURE CIRCUIT BREAKER - 1 LOT QTY 3
Vendor:MMBT by Metro CADRegular price $45.00Regular priceUnit price / per$0.00Sale price $45.00 -
AB, 1489-M C 10A, DIN MOUNT, 1 POLE UNIT CIRCUIT BREAKER, SELLING AS 1 'LOT OF 4
Vendor:MMBT by Metro CADRegular price $100.00Regular priceUnit price / per$0.00Sale price $100.00 -
COOPER BUSSMANN CCP-1-30CC / CCP-CC CIRCUIT BREAKER - 1 LOT QTY 3
Vendor:MMBT by Metro CADRegular price $39.00Regular priceUnit price / per$0.00Sale price $39.00 -
POTTER & BRUMFIELD W92-X112-10 CIRCUIT BREAKER AMPS 10 277VAC 50/60HZ
Vendor:MMBT by Metro CADRegular price $39.00Regular priceUnit price / per$0.00Sale price $39.00 -
Allen-Bradley Allen Bradley AB 1492-RCD2A16 A / 1492RCD2A16 CIRCUIT BREAKER
Vendor:MMBT by Metro CADRegular price $29.99Regular priceUnit price / per$0.00Sale price $29.99 -
Sursum V-EA51 G10A Circuit Breakers, Qty 3 used
Vendor:MMBT by Metro CADRegular price $12.00Regular priceUnit price / per$0.00Sale price $12.00 -
QTY 3 - Allen-Bradley 1489-M / 1489-M1D150 SER D CIRCUIT BREAKERS
Vendor:MMBT by Metro CADRegular price $19.99Regular priceUnit price / per$0.00Sale price $19.99 -
Allen Bradley AB CIRCUIT BREAKER MOTOR PROTECTOR 140U-D6D3 / 140U-D6D3-C20 SER B
Vendor:MMBT by Metro CADRegular price $71.97Regular priceUnit price / per$0.00Sale price $71.97 -
Allen Bradley AB CASE CIRCUIT BREAKER - 1 LOT 1 EACH - 140UD6D3C20 & 140UD6D3C15
Vendor:MMBT by Metro CADRegular price $139.97Regular priceUnit price / per$0.00Sale price $139.97 -
AB ALLEN BRADLEY MINIATURE CIRCUIT BREAKER 1489-M3C150 Ser D 3P 15A LOT OF 2
Vendor:MMBT by Metro CADRegular price $49.99Regular priceUnit price / per$0.00Sale price $49.99 -
QTY 2 - Allen-Bradley AB 1492-SP / 1492-SP2C020 SER C CIRCUIT BREAKERS
Vendor:MMBT by Metro CADRegular price $20.00Regular priceUnit price / per$0.00Sale price $20.00 -
AB ALLEN BRADLEY MINIATURE CIRCUIT BREAKER 1489-M3C200 Ser D 3P
Vendor:MMBT by Metro CADRegular price $40.00Regular priceUnit price / per$0.00Sale price $40.00 -
ALLEN BRADLEY / ALLEN-BRADLEY / AB 1489-M CIRCUIT BREAKER
Vendor:MMBT by Metro CADRegular price $20.00Regular priceUnit price / per$0.00Sale price $20.00 -
ALLEN BRADLEY 1489-M1C049 4A SER D MINIATURE CIRCUIT BREAKER LOT OF 4
Vendor:MMBT by Metro CADRegular price $40.00Regular priceUnit price / per$0.00Sale price $40.00 -
Allen-Bradley Allen Bradley AB 1489-A 1489-A1D050 SER A CIRCUIT BREAKER 1 POLE
Vendor:MMBT by Metro CADRegular price $25.00Regular priceUnit price / per$0.00Sale price $25.00 -
Allen-Bradley Allen Bradley AB 140M-C2E / 140M-C2E-B16 SER B CIRCUIT BREAKER
Vendor:MMBT by Metro CADRegular price $30.00Regular priceUnit price / per$0.00Sale price $30.00 -
1 LOT QTY OF 2 Allen-Bradley AB 1489-D 1489-D1C020 SER A CIRCUIT BREAKER 1 POLE
Vendor:MMBT by Metro CADRegular price $49.99Regular priceUnit price / per$0.00Sale price $49.99 -
AB ALLEN BRADLEY 1489-M D 2A MINIATURE CIRCUIT BREAKER LOT OF 4
Vendor:MMBT by Metro CADRegular price $24.00Regular priceUnit price / per$0.00Sale price $24.00
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