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Circuit Breakers

Circuit Breakers for Industrial Applications | MRO Electric

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.

Featured Circuit Breaker Products

3RW3036-1AB04 | Siemens Breakers

QO120GFI | Schneider Electric Circuit Breakers

3LV1107-2KM30-0AA0 | Siemens Breakers

Key Features & Benefits

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.

Benefits include:

High-quality industrial design for reliability
Compatibility with leading automation brands
Long-lasting performance under demanding conditions
Fast shipping and competitive pricing
Fully tested replacements for plug-and-play installation
Expert repair and technical support services

Circuit Breaker Applications

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.

How to Select the Right Circuit Breaker

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.

Why Choose MRO Electric

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.

Latest Circuit Breakers

4AV3000-2AB

Siemens Circuit Breakers

RECTIFIER UNIT THREE-PHASE FILTERED,24V/10A DC PRI 400V, TAPS +/-20V SEC DC 24V

4AV3102-2EB00-0A

Siemens Circuit Breakers

POWER SUPPLY, PHASES:3, PN(KW):0,324, UPRI(V):575(600)-500-460(480)- 400(415)-230(240)-200, USEC(V DC):24, ISEC(A DC):13,5/16 (60/40 CEL), F(HZ):50......

4AV3300-2EB00-0A

Siemens Circuit Breakers

POWER SUPPLY, PHASES:3, PN(KW):0,72, UPRI(V):400+/-20, USEC(V DC):24, ISEC(A DC):30/36 (60/40 CEL), F(HZ):50...60, VECTOR GR./SHIELD WNG.:YD1 /0, PROT...

4AV4106-2EB00-0A

Siemens Circuit Breakers

POWER SUPPLY, PHASES:1, PN(KW):0,144, UPRI(V):400-230+/-15, USEC(V DC):24, ISEC(A DC):6, F(HZ):50...60, VECTOR GR./SHIELD WNG.:II0 /0, PROTECTION CL.:...

4EU2552-5UA00-0AA0

Siemens Circuit Breakers

MAINS CHOKE F.FU, PHASES:3, UN1(V):480, ITHMAX 1(A) / F1(HZ):250 /60, I LN (A):225, UK(%):2, LN(MH):0,0564, TA/ISOKL:40 /H, IP00, TYPE OF TERMINALS:FL...

4EU3052-5UA00-0AA0

Siemens Circuit Breakers

MAINS CHOKE F.FU, PHASES:3, UN1(V):480, ITHMAX 1(A) / F1(HZ):560 /60, I LN (A):504, UK(%):2, LN(MH):0,0252, TA/ISOKL:40 /H, IP00, TYPE OF TERMINALS:FL...