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Circuit Breakers
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A circuit breaker has a switching mechanism that is activated when unsafe levels of current flows through the circuit. Unlike a fuse, a circuit breaker can be used multiple times.
We stock circuit breakers designed for low voltage AC & DC applications including automotive bladed breakers, DIN rail mount circuit breakers, panel mount circuit breakers, and surface mount circuit breakers with manual or automatic reset. All available online, supplied worldwide and delivered to you door.
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Bussmann CBBB-2 Circuit Breaker Bus Bar 2 Way Surface Mount Short StopSpecial Price $3.10 Regular Price $3.15 -
Bussmann B151-7135-3 3/8-24 Circuit Breaker Panel Mount Waterproof BootsSpecial Price $4.99 Regular Price $5.32 -
Bussmann 121A35-B2P 35A Circuit Breaker Surface Mount Short StopSpecial Price $6.35 Regular Price $6.52 -
Mechanical Products 1400-103-100 Circuit Breakers 10A 250VAC/50VDCSpecial Price $6.58 Regular Price $7.08 -
Mechanical Products 1480-103-200 20A Circuit Breakers Panel Mount Series 14Special Price $6.78 Regular Price $7.08 -
Mechanical Products 1480-103-150 15A Circuit Breakers Panel Mount Series 14Special Price $6.78 Regular Price $7.08 -
Mechanical Products 1480-103-070 7A Circuit Breakers Panel Mount Series 14Special Price $6.78 Regular Price $7.08 -
Mechanical Products 1480-103-050 5A Circuit Breakers Panel Mount Series 14Special Price $6.78 Regular Price $7.08 -
Mechanical Products 1480-103-030 3A Circuit Breakers Panel Mount Series 14Special Price $6.78 Regular Price $7.08 -
Mechanical Products 1400-103-030 3A Circuit Breakers Panel Mount Series 14 ThreadSpecial Price $6.82 Regular Price $7.08 -
Mechanical Products 1400-103-200 20A Circuit Breakers Panel Mount Series 14 ThreadSpecial Price $6.88 Regular Price $7.08 -
Mechanical Products 1400-103-150 15A Circuit Breakers Panel Mount Series 14 ThreadSpecial Price $6.88 Regular Price $7.08 -
Mechanical Products 1400-103-070 7A Circuit Breakers Panel Mount Series 14 ThreadSpecial Price $6.88 Regular Price $7.08 -
Mechanical Products 1400-103-050 5A Circuit Breakers Panel Mount Series 14 ThreadSpecial Price $6.88 Regular Price $7.08 -
Mechanical Products 1680-318-1 Circuit Breaker Clear Silicone Boot 3/8-27Special Price $6.99 Regular Price $7.69 -
Mechanical Products 1600-382-2 7/16-28 Circuit Breakers Panel Mount Series 14 Black Silicone BootSpecial Price $6.99 Regular Price $7.69 -
Bussmann CBBB-3 Circuit Breaker Bus Bar 3 Way Surface Mount Short StopSpecial Price $7.25 Regular Price $7.33 -
Bussmann 121A40-B2P 40A Circuit Breaker Surface Mount Short StopSpecial Price $7.25 Regular Price $7.36 -
Bussmann 12135-B2P 35A Auto Reset Circuit Breaker Surface MountSpecial Price $7.25 Regular Price $7.36 -
Bussmann 121A30-B2P 30A Auto Reset Circuit Breaker Surface MountSpecial Price $7.25 Regular Price $7.36 -
Bussmann 121A25-B2P 25A Auto Reset Circuit Breaker Surface MountSpecial Price $7.25 Regular Price $7.36 -
Bussmann 121A20-B2P 20A Auto Reset Circuit Breaker Surface MountSpecial Price $7.25 Regular Price $7.36 -
Bussmann 121A15-B2P 15A Auto Reset Circuit Breaker Surface MountSpecial Price $7.25 Regular Price $7.36 -
Bussmann 121A10-B2P 10A Auto Reset Circuit Breaker Surface MountSpecial Price $7.25 Regular Price $7.36 -
Bussmann 121A05-B2P 5A Auto Reset Circuit Breaker Surface MountSpecial Price $7.25 Regular Price $7.36 -
Bussmann 121A40-B2M Short Stop Circuit Breaker 40A 14VDCSpecial Price $7.30 Regular Price $7.47 -
Bussmann 121A35-B2M Short Stop Circuit Breaker 35A 14VDCSpecial Price $7.30 Regular Price $7.47 -
Bussmann 121A08-B2M Circuit Breaker Short Stop 8A 14VDCSpecial Price $7.30 Regular Price $7.47 -
Bussmann 121A05-B2M Bussman 121A05-B2M 5A Automatic Reset Metal Circuit Breaker with Parallel BracketSpecial Price $7.30 Regular Price $7.47 -
Mechanical Products 1680-330-1 Circuit Breaker Black Silicone BootSpecial Price $7.50 Regular Price $7.69 -
Bussmann 121A50-B2M 50A Auto Reset Circuit Breaker Surface MountSpecial Price $7.70 Regular Price $7.92 -
Bussmann 121A30-B2M 30A Auto Reset Circuit Breaker Surface MountSpecial Price $7.70 Regular Price $7.92 -
Bussmann 121A25-B2M 25A Auto Reset Circuit Breaker Surface MountSpecial Price $7.70 Regular Price $7.92 -
Bussmann 121A20-B2M 20A Auto Reset Circuit Breaker Surface MountSpecial Price $7.70 Regular Price $7.92 -
Bussmann 121A15-B2M 15A Auto Reset Circuit Breaker Surface MountSpecial Price $7.70 Regular Price $7.92 -
Bussmann 121A10-B2M 10A Auto Reset Circuit Breaker Surface MountSpecial Price $7.70 Regular Price $7.92 -
Mechanical Products 1580-131-250 Manual Reset Circuit Breaker- Screw Terminal 25A 3/8" -27Special Price $8.12 Regular Price $8.45 -
Mechanical Products 1480-123-030 3A Circuit Breaker Panel Mount Series 14 Thread ScrewSpecial Price $8.30 Regular Price $8.52 -
Mechanical Products 1480-123-200 20A Circuit Breaker Panel Mount Series 14 Thread ScrewSpecial Price $8.30 Regular Price $8.52 -
Mechanical Products 1480-123-150 15A Circuit Breaker Panel Mount Series 14 Thread ScrewSpecial Price $8.30 Regular Price $8.52 -
Mechanical Products 1480-123-080 8A Circuit Breaker Panel Mount Series 14 Thread ScrewSpecial Price $8.30 Regular Price $8.52 -
Mechanical Products 1480-123-070 7A Circuit Breaker Panel Mount Series 14 Thread ScrewSpecial Price $8.30 Regular Price $8.52 -
Mechanical Products 1480-123-060 6A Circuit Breaker Panel Mount Series 14 Thread ScrewSpecial Price $8.30 Regular Price $8.52 -
Mechanical Products 1480-123-050 5A Circuit Breaker Panel Mount Series 14 Thread ScrewSpecial Price $8.30 Regular Price $8.52 -
Mechanical Products 1480-123-040 4A Circuit Breaker Panel Mount Series 14 Thread ScrewSpecial Price $8.30 Regular Price $8.52 -
Mechanical Products B156-7003-J Gasket for Panel Mount Circuit BreakersSpecial Price $8.50 Regular Price $8.78 -
Bussmann 21120-00 20A Mini Blade Circuit Breaker - Thermal Type 1Special Price $8.65 Regular Price $8.80 -
Bussmann 21115-00 15A Mini Blade Circuit Breaker - Thermal Type 1Special Price $8.65 Regular Price $8.80 -
Bussmann 21110-00 10A Mini Blade Circuit Breaker - Thermal Type 1Special Price $8.65 Regular Price $8.80 -
Bussmann 21175-00 7.5A Mini Blade Circuit Breaker - Thermal Type 1Special Price $8.65 Regular Price $8.80 -
Bussmann 21105-00 5A Mini Blade Circuit Breaker - Thermal Type 1Special Price $8.65 Regular Price $8.80 -
Bussmann 21275-00 7.5A Mini Blade Circuit Breaker - Thermal Type 2Special Price $8.80 Regular Price $9.95 -
Bussmann 21230-00 30A Mini Blade Circuit Breaker - Thermal Type 2Special Price $8.80 Regular Price $9.95 -
Bussmann 21220-00 20A Mini Blade Circuit Breaker - Thermal Type 2Special Price $8.80 Regular Price $9.95 -
Bussmann 21210-00 10A Mini Blade Circuit Breaker - Thermal Type 2Special Price $8.80 Regular Price $9.95 -
Bussmann 21225-00 25A Mini Blade Circuit Breaker - Thermal Type 2Special Price $8.80 Regular Price $9.95 -
Bussmann 21215-00 15A Mini Blade Circuit Breaker - Thermal Type 2Special Price $8.80 Regular Price $9.95 -
Bussmann 21205-00 5A Mini Blade Circuit Breaker - Thermal Type 2Special Price $8.80 Regular Price $9.95 -
Mechanical Products 1580-131-300 Manual Reset Circuit Breaker- Screw Terminal 30A 3/8" -27Special Price $9.17 Regular Price $9.50 -
Bussmann UCB-25 25A Circuit Breaker Auto Blade (Snap Off)Special Price $9.41 Regular Price $11.69 -
Bussmann UCB-20 20A Circuit Breaker Auto Blade (Snap Off)Special Price $9.41 Regular Price $11.69 -
Bussmann UCB-15 15A Circuit Breaker Auto Blade (Snap Off)Special Price $9.41 Regular Price $11.69 -
Bussmann UCB-10 10A Circuit Breaker Auto Blade (Snap Off)Special Price $9.41 Regular Price $11.69 -
Bussmann 21130-00 30A Mini Blade Circuit Breaker - Thermal Type 1Special Price $9.54 Regular Price $9.77 -
Bussmann 21125-00 25A Mini Blade Circuit Breaker - Thermal Type 1Special Price $9.54 Regular Price $9.77 -
Bussmann 23330-00 30A Mini Blade Circuit Breaker - Thermal Type 3Special Price $9.90 Regular Price $10.40 -
Bussmann 23325-00 25A Mini Blade Circuit Breaker - Thermal Type 3Special Price $9.90 Regular Price $10.40 -
Bussmann 23320-00 20A Mini Blade Circuit Breaker - Thermal Type 3Special Price $9.90 Regular Price $10.40 -
Bussmann 23315-00 15A Mini Blade Circuit Breaker - Thermal Type 3Special Price $9.90 Regular Price $10.40 -
Bussmann 23310-00 10A Mini Blade Circuit Breaker - Thermal Type 3Special Price $9.90 Regular Price $10.40 -
Bussmann 23375-00 7.5A Mini Blade Circuit Breaker - Thermal Type 3Special Price $9.90 Regular Price $10.40