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

QO3701021

Schneider Electric Circuit Breakers

MINIATURE CIRCUIT BREAKER 240V 70A

contact us or call for stock

QO3801021

Schneider Electric Circuit Breakers

MINIATURE CIRCUIT BREAKER 240V 80A

contact us or call for stock

QO3901021

Schneider Electric Circuit Breakers

MINIATURE CIRCUIT BREAKER 240V 90A

contact us or call for stock

QO390VH

Schneider Electric Circuit Breakers

MINIATURE CIRCUIT BREAKER 240V 90A

contact us or call for stock

QOB115VHAFI

Schneider Electric Circuit Breakers

MINIATURE CIRCUIT BREAKER 120/240V 15A

contact us or call for stock

QOB120EPD1200

Schneider Electric Circuit Breakers

MINIATURE CIRCUIT BREAKER 120/240V 20A

contact us or call for stock

QOB120EPD2100

Schneider Electric Circuit Breakers

MINIATURE CIRCUIT BREAKER 120/240V 20A

contact us or call for stock

QOB120VHAFI

Schneider Electric Circuit Breakers

MINIATURE CIRCUIT BREAKER 120/240V 20A

contact us or call for stock

QOB120VHCAFI

Schneider Electric Circuit Breakers

MINIATURE CIRCUIT BREAKER 120V 20A

contact us or call for stock

QOB120VHDF

Schneider Electric Circuit Breakers

CIRCUIT BREAKER

contact us or call for stock

QOB130EPD2100

Schneider Electric Circuit Breakers

MINIATURE CIRCUIT BREAKER 120/240V 30A

contact us or call for stock

QOB2110

Schneider Electric Circuit Breakers

MINIATURE CIRCUIT BREAKER 120/240V 110A

contact us or call for stock

QOB2125

Schneider Electric Circuit Breakers

MINIATURE CIRCUIT BREAKER 120/240V 125A

contact us or call for stock

QOB21251021

Schneider Electric Circuit Breakers

MINIATURE CIRCUIT BREAKER 120/240V 125A

contact us or call for stock

QOB2125VH

Schneider Electric Circuit Breakers

MINIATURE CIRCUIT BREAKER 240V 125A

contact us or call for stock

QOB2150VH

Schneider Electric Circuit Breakers

MINIATURE CIRCUIT BREAKER 240V 150A

contact us or call for stock

QOB220

Schneider Electric Circuit Breakers

MANUFACTURER: SCHNEIDER ELECTRICPRODUCT TYPE INFO: QOB SERIES GROUND FAULT CIRCUIT INTERRUPTER

contact us or call for stock

QOB250EPD

Schneider Electric Circuit Breakers

MINIATURE CIRCUIT BREAKER 240V 50A

contact us or call for stock

QOB3100

Schneider Electric Circuit Breakers

MANUFACTURER: SCHNEIDER ELECTRICPRODUCT TYPE INFO: QOB SERIES STANDARD

contact us or call for stock

QOB3125VH

Schneider Electric Circuit Breakers

MINIATURE CIRCUIT BREAKER 240V 125A

contact us or call for stock