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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.
Siemens Circuit Breakers
CONTACTOR RELAY, 3NO+1NC, AC 110 V 50 HZ, 120 V 60 HZ, SCREW CONNECTION, SIZE S00
Siemens Circuit Breakers
AUTOMATION AUXILIARY SWITCH BLOCK, 4-POLE SCREW TERMINAL FOR MOTOR CONTACTORS
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Siemens Circuit Breakers
AUTOMATION AUXILIARY SWITCH BLOCK, SCREW CONNECTION, FOR CONTACTORS FOR SWITCHING MOTORS, 1-POLE
Siemens Circuit Breakers
ASISAFE BASIC SAFETY MONITOR 2 F-RO, 2 ENABLING CIRCUITS, IP20, WITH SCREW-TYPE TERMINALS (REMOVABLE), SAFE OUTPUT RELAY RESPONSE TIME MAX. 40 MS, MON...
Siemens Circuit Breakers
ASISAFE ENHANCED SAFETY MONITOR 2 F-RO, 2 ENABLING CIRCUITS, IP20, WITH SCREW-TYPE TERMINALS (REMOVABLE), SAFE OUTPUT RELAY RESPONSE TIME MAX. 40 MS, ...
Siemens Circuit Breakers
ASISAFE ENHANCED SAFETY MONITOR 2 F-RO WITH INTEGRATED SAFETY SLAVE, 2 ENABLING CIRCUITS INCLUDING CONTROL OF ONE SAFE AS-I OUTPUT / SAFE COUPLING, IP...
Siemens Circuit Breakers
EM 300 EDS, FOR ET 200 X, ELECTRONIC DIRECT STARTER, SETTING RANGE 0.6...2.18A AC-3, 0.18...0.75KW/400V, WITHOUT BRAKE CONTACT, W. 9-POLE POWER CONNEC...
Siemens Circuit Breakers
EM 300 RS, FOR ET 200 X, ELECTRO-MECH. REVERS. STARTER, SETTING RANGE 0.7...1.0A, AC-3, 0.25KW/400V, WITH BRAKE CONTACT, DC 500V/1A, F. INTERNALLY SUP...
Siemens Circuit Breakers
MOTOR STARTER ECOFAST SRSSTE MOTOR STARTER ECOFAST SRSSTE PROFIBUS DP ELECTR. SWITCHING ELECTR./THERM. UE PROTECTION 3-PH 400 V/5.5 KW 2.40 A...12.00 ...
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