2-year MRO Warranty

Same Day Shipping

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

Q120

Siemens Circuit Breakers

MANUFACTURER: SIEMENSPRODUCT TYPE INFO: Q SERIES BRANCH CIRCUIT BREAKERS

contact us or call for stock

Q120DF

Siemens Circuit Breakers

MANUFACTURER: SIEMENSPRODUCT TYPE INFO: Q SERIES MOLDED CASE

contact us or call for stock

Q2020

Siemens Circuit Breakers

MANUFACTURER: SIEMENSPRODUCT TYPE INFO: QT SERIES MOLDED CASE

contact us or call for stock

Q2100

Siemens Circuit Breakers

MANUFACTURER: SIEMENSPRODUCT TYPE INFO: QP SERIES MOLDED CASE

contact us or call for stock

Q2125

Siemens Circuit Breakers

MANUFACTURER: SIEMENSPRODUCT TYPE INFO: QP SERIES MINIATURE CIRCUIT BREAKER

contact us or call for stock

Q215

Siemens Circuit Breakers

MANUFACTURER: SIEMENSPRODUCT TYPE INFO: BL SERIES MINIATURE CIRCUIT BREAKER

contact us or call for stock

Q220

Siemens Circuit Breakers

MANUFACTURER: SIEMENSPRODUCT TYPE INFO: Q SERIES MOLDED CASE

contact us or call for stock

Q225

Siemens Circuit Breakers

MANUFACTURER: SIEMENSPRODUCT TYPE INFO: Q SERIES MINIATURE THERMAL MAG

contact us or call for stock

Q230

Siemens Circuit Breakers

MANUFACTURER: SIEMENSPRODUCT TYPE INFO: QP SERIES MOLDED CASE

contact us or call for stock

Q240

Siemens Circuit Breakers

MANUFACTURER: SIEMENSPRODUCT TYPE INFO: Q SERIES MOLDED CASE

contact us or call for stock

Q250

Siemens Circuit Breakers

MANUFACTURER: SIEMENSPRODUCT TYPE INFO: QP SERIES MOLDED CASE

contact us or call for stock

Q260

Siemens Circuit Breakers

MANUFACTURER: SIEMENSPRODUCT TYPE INFO: Q SERIES MOLDED CASE

contact us or call for stock

Q280

Siemens Circuit Breakers

MANUFACTURER: SIEMENSPRODUCT TYPE INFO: QP SERIES MOLDED CASE

contact us or call for stock

Q290

Siemens Circuit Breakers

MANUFACTURER: SIEMENSPRODUCT TYPE INFO: Q SERIES MINIATURE CIRCUIT BREAKER

contact us or call for stock

Q320

Siemens Circuit Breakers

MANUFACTURER: SIEMENSPRODUCT TYPE INFO: Q SERIES MOLDED CASE

contact us or call for stock

Q330

Siemens Circuit Breakers

MANUFACTURER: SIEMENSPRODUCT TYPE INFO: Q SERIES MOLDED CASE

contact us or call for stock

Q422250AC

Schneider Electric Circuit Breakers

MOLDED CASE CIRCUIT BREAKER 240V 250A

contact us or call for stock

Q422300AB

Schneider Electric Circuit Breakers

MOLDED CASE CIRCUIT BREAKER 240V 300A

contact us or call for stock

Q422300AC

Schneider Electric Circuit Breakers

MOLDED CASE CIRCUIT BREAKER 240V 300A

contact us or call for stock

Q422350AC

Schneider Electric Circuit Breakers

MOLDED CASE CIRCUIT BREAKER 240V 350A

contact us or call for stock