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Circuit breakers protect industrial automation systems by safely interrupting electrical currents in the event of overloads or faults. They ensure equipment and personnel remain safe while maintaining system uptime. MRO Electric provides fully tested replacement breakers and expert repair services to minimize downtime and ensure long-lasting performance across diverse industrial environments.
3RW3036-1AB04 | Siemens Breakers
QO120GFI | Schneider Electric Circuit Breakers
3LV1107-2KM30-0AA0 | Siemens Breakers
Circuit breakers are essential for protecting industrial equipment and maintaining system reliability. MRO Electric supplies high-quality breakers designed for durability, performance, and fast integration.
Circuit breakers are used across industries such as manufacturing, packaging, material handling, and robotics. They protect and control equipment like CNC machines, conveyor systems, pumps, and robotic cells, ensuring safe and reliable operation in high-demand environments.
Selecting the proper circuit breaker is critical for safety and system performance. Consider key specifications including voltage, current rating, interrupting capacity, trip characteristics, and physical dimensions. Ensure compatibility with your existing automation brand—whether Siemens, Allen-Bradley, Schneider Electric, or others. MRO Electric’s team can provide guidance to choose the correct breaker for your system to prevent downtime and protect equipment.
MRO Electric offers large in-stock inventory, 24-hour shipping, OEM-level repair services, and responsive technical support. Every circuit breaker is fully tested and warranty-backed, ensuring reliable protection for your industrial automation systems.
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Siemens Circuit Breakers
AUTOMATION ET 200PRO DSE ST DOL STARTER STANDARD MECHANICAL SWITCHING ELECTRONIC OVERLOAD PROTECTION AC-3, 0.9 KW / 400 V 0.15 A
Siemens Circuit Breakers
AS-I COMPACT STARTER, IP65, ELECTRO-MECH. DIRECT STARTER, SETTING RANGE 0.7...1.0A, AC-3, 0.25KW/400V, WITHOUT BRAKE CONTACT, W. 9-POLE MOTOR FEEDER A...
Siemens Circuit Breakers
AS-I COMPACT STARTER, IP65, ELECTRO-MECH. REVERS. STARTER, SETTING RANGE 0.9...1.25A, AC-3, 0.37KW/400V, WITHOUT BRAKE CONTACT, W. 9-POLE MOTOR FEEDER...
Siemens Circuit Breakers
AS-I COMPACT STARTER, IP65, ELECTRO-MECH. DIRECT STARTER, SETTING RANGE 2.2...3.2A, AC-3, 1.1KW/400V, WITHOUT BRAKE CONTACT, W. 9-POLE MOTOR FEEDER AN...
Siemens Circuit Breakers
AS-I COMPACT STARTER, IP65, ELECTRO-MECH. DIRECT STARTER, SETTING RANGE 3.5...5.0A, AC-3, 1.9KW/400V, WITHOUT BRAKE CONTACT, W. 9-POLE MOTOR FEEDER AN...
Siemens Circuit Breakers
CONTACTOR AC-3 4 KW/400 V, 1 NO, DC 24 V, 3-POLE, SIZE S00, SCREW CONNECTION
Siemens Circuit Breakers
BREAKER 9 AMP, 24VAC, 50/60HZ, 1NO, 3 POLE, SCREW TERMINAL, DIN RAIL MOUNTING, IP20
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Siemens Circuit Breakers
SIRIUS CIRCUIT BREAKER SIZE S00 FOR MOTOR PROTECTION CLASS 10
Siemens Circuit Breakers
CIRCUIT-BREAKER SIZE S00 CLASS 10, A-REL.1.8...2.5A, N-REL. 33A, SCREW TERMINAL
Siemens Circuit Breakers
CIRCUIT BREAKER SIZE S00 MOTOR PROTECTION, CLASS 10 A-RELEASE 9...12 A N RELEASE 156 A 1 NO+1 NC TRANSVERSE SCREW TERMINAL STANDARD SWITCHING CAPACITY
Siemens Circuit Breakers
CIRCUIT-BREAKER SIZE S00, FOR MOTOR PROTECTION, CLASS 10, A-REL. 3.5...5A, N-REL. 65A, SCREW TERMINAL, STANDARD SWITCHING CAPACITY
Siemens Circuit Breakers
CIRCUIT BRAKER SHUNT RELEASE 20...24 V AC, 50/60 HZ, 100% ON PERIOD 20-70 VAC, 5 S ON PERIOD 20-70 V DC, 5 S ON PERIOD FOR CIRCUIT BREAKER SIZE S00.....
Siemens Circuit Breakers
SIRIUS CIRCUIT-BREAKER SZ S00, FOR MOTOR PROTECTION, CLASS 10, A-RELEASE 3.5...5A, N-RELEASE 65A, SCREW CONNECTION
Siemens Circuit Breakers
CIRCUIT BREAKER SIZE S00 MOTOR PROTECTION, CLASS 10 A-RELEASE 7...10 A N RELEASE 130 A SCREW TERMINAL
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