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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

QO330L200GRB

Schneider Electric Circuit Breakers

LOAD CENTER QO MLO 240V 200A 3PH 30SP

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QO330ML2

Schneider Electric Circuit Breakers

LOAD CENTER QO ML 240V 200A 3PH 30SP CSA LIST

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QO330MQ125

Schneider Electric Circuit Breakers

LOAD CENTER QO MB 125A 3PH 30 CIRCUIT

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QO330MQ125RB

Schneider Electric Circuit Breakers

LOAD CENTER QO RB MB 125A 3PH 30 CIRCUIT

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QO330MQ150

Schneider Electric Circuit Breakers

LOAD CENTER QO MB 150A 3PH 30 CIRCUIT

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QO330MQ150RB

Schneider Electric Circuit Breakers

LOAD CENTER QO RB MB 150A 3PH 30 CIRCUIT

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QO330MQ200

Schneider Electric Circuit Breakers

LOAD CENTER QO MB 200A 3PH 30 CIRCUIT ** COVER NOT INCLUDED - ORDER SEPARATELY

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QO330MQ200RB

Schneider Electric Circuit Breakers

LOAD CENTER QO RB MB 200A 3PH 30 CIRCUIT

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QO330PL

Schneider Electric Circuit Breakers

CIR BREAKER 120/240V 30A 3POLE PLUG ON PL

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QO340GFI

Schneider Electric Circuit Breakers

MINIATURE CIRCUIT BREAKER 120/240V 40A

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QO342L225G

Schneider Electric Circuit Breakers

LD-CNTR BOX & INT

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QO342L225GRB

Schneider Electric Circuit Breakers

LOAD CENTER QO MLO 240V 225A 3PH 42SP

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QO342ML2

Schneider Electric Circuit Breakers

QO LOAD CENTER MLO 240V 225A 3PH 42SP CSA LIST

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QO342MQ150

Schneider Electric Circuit Breakers

LOAD CENTER QO MB 150A 3PH 42 CIRCUIT

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QO342MQ200

Schneider Electric Circuit Breakers

200A MB LOAD CENTER

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QO342MQ200RB

Schneider Electric Circuit Breakers

LOAD CENTER QO RB MB 200A 3PH 42 CIRCUIT

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QO342MQ225

Schneider Electric Circuit Breakers

LOAD CENTER QO MB 225A 3PH 42 CIRCUIT

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QO342MQ225RB

Schneider Electric Circuit Breakers

LOAD CENTER QO RB MB 225A 3PH 42 CIRCUIT

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QO342MQB200

Schneider Electric Circuit Breakers

LOAD CENTER QO MB 200A 3PH 42 CKT CSA

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QO350GFI

Schneider Electric Circuit Breakers

MINIATURE CIRCUIT BREAKER 120/240V 50A

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