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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
ACCESSORIES CIRCUIT BREAKER 3WL MOTOR DRIVE AC 50/60HZ 208-240V/DC 220-250
Siemens Circuit Breakers
3WL9-NAFTA-ACCESSORY WLTS HANDHELD TESTER FOR ELECTRONIC TRIP UNIT
Siemens Circuit Breakers
SPARE PART F.3WE CIRCUIT-BREAK. F.BREAKER SIZE I MAIN CONTACTS (AG) (1 SET =1 FIXED CONT.+ 1 MOVING AND FIXING PARTS)
Siemens Circuit Breakers
SPARE PART F.3WE CIRC.-BREAKER F.BREAKER SIZE II AND III MAIN CONTACTS (AG) (1 SET=1 FIXED + 1 MOVING CONT. + MOUNTING PARTS)
Siemens Circuit Breakers
ACCESSORY FOR SWITCH 3WN6, MAIN CONTACT ELEMENTS FOR 3WN65, REQUIRED FOR 3-POLE 3 UNITS, REQUIRED FOR 4-POLE 4 UNIT, IU 2000A IU 2000A
Siemens Circuit Breakers
SIRIUS, SIMOCODE ES 2007 PREMIUM FLOATING LICENSE F. ONE USER E-SW, SW AND DOCUM. ON CD LICENSE KEY ON USB ST.,CLASS A 3 LANGUAGES (GER,ENG,FR) EXECUT...
Siemens Circuit Breakers
POWER SUPPLY, PHASES:1, PN(KW):0,24, UPRI(V):400-230+/-15, USEC(V DC):24, ISEC(A DC):10/12 (60/40 CEL), F(HZ):50...60, VECTOR GR./SHIELD WNG.:II0 /0, ...
Siemens Circuit Breakers
POWER SUPPLY, PHASES:1, PN(KW):0,36, UPRI(V):400-230+/-15, USEC(V DC):24, ISEC(A DC):15/18 (60/40 CEL), F(HZ):50...60, VECTOR GR./SHIELD WNG.:II0 /0, ...
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