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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
CIRCUIT-BREAKER VL 400N WITHOUT OVERCURRENT RELEASE STANDARD SWITCHING CAPACITY ICU= 55KA / 415 V AC, 3-POLE IN= 400 A, RATED CURRENT WITHOUT AUXILIAR...
Siemens Circuit Breakers
CIRCUIT-BREAKER VL 630N WITHOUT OVERCURRENT RELEASE STANDARD SWITCHING CAPACITY ICU= 45 KA / 415 V AC 3-POLE IN= 630 A, RATED CURRENT WITHOUT AUXILIAR...
Siemens Circuit Breakers
ACCESSORY FOR VL160, VL250, VL400, VL630, VL800, VL1250, VL1600, COM20 MODULE TO CONNECT THE SENTRON VL TO THE PROFIBUS DP READ OUT METERING AND PARAM...
Siemens Circuit Breakers
ACCESSORY FOR VL160, VL250, VL400, VL630, VL800, VL1250, VL1600, COM21 MODULE TO CONNECT THE SENTRON VL TO THE MODBUS RTU, READ OUT METERING AND PARAM...
Siemens Circuit Breakers
ACCESSORY FOR VL160X, VL160, VL250, STORED ENERGY OPERATOR 24V DC
Siemens Circuit Breakers
BREAKERS ACCESSORY FOR VL400, STORED ENERGY OPERATOR 220-250V AC/DC
Siemens Circuit Breakers
ACCESSORY FOR VL400, FRONT BUS-BAR CONNECTION (FLARED) SET OF 4 PCS 4 POLE
Siemens Circuit Breakers
ACCESSORY FOR VL630, FRONT CONNECTION BARS INCREASED POLE SPACING COMPRISES 4 TERMINALS 4-POLE
Siemens Circuit Breakers
MOLDED CASE CIRCUIT BREAKER ACCESSORY FOR VL630, VL800, DOOR OP.MECH. 8UC7
Siemens Circuit Breakers
ACCESSORY FOR VL630, VL800, FOR INSTALLAT. IN DOORS, COMPL. DOOR DRIVE 8UC7 HANDLE RED, MASKING FRAME YELLOW
Siemens Circuit Breakers
ACCESSORY FOR VL630, VL800, VL1250, VL1600, UNDERVOLTAGE RELEASE 220 - 250 V AC RIGHT POLE ONLY
Siemens Circuit Breakers
ACCESSORY FOR VL1250, VL1600, DOOR OP.MECH.8UC7 - NEW DESIGN HANDLE TI-GREY, MASKING FRAME LIGHT GREY FOR INSTALL. IN DOORS, COMPL
Siemens Circuit Breakers
ACCESSORY FOR VL1250, VL1600, DRAW OUT ASSEMBLY REAR CONNECTORS 3 POLES
Siemens Circuit Breakers
AUTOMATION CIRCUIT-BREAKER FOR MOTOR PROTECTION UP TO 25A WITH AUXIL.CONTACTS