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

NQ454L2

Schneider Electric Circuit Breakers

NQ M/L AL INT 54CKT 225A 3P4W

contact us or call for stock

NQ454L2C

Schneider Electric Circuit Breakers

NQ M/L CU INT 54CKT 225A 3P4W

contact us or call for stock

NQ472L2

Schneider Electric Circuit Breakers

PANELBOARD INTERIOR NQ 225A MLO 72 CKT 3P AL

contact us or call for stock

NQ472L2C

Schneider Electric Circuit Breakers

PANELBOARD INTERIOR NQ 225A MLO 72 CKT 3P CU

contact us or call for stock

NQ472L4

Schneider Electric Circuit Breakers

PANELBOARD INTERIOR NQ 400A MLO 72 CKT 3P AL

contact us or call for stock

NQ472L4C

Schneider Electric Circuit Breakers

PANELBOARD INTERIOR NQ 400A MLO 71 CKT 3P CU

contact us or call for stock

NQ484L2

Schneider Electric Circuit Breakers

PANELBOARD INTERIOR NQ 225A MLO 84 CKT 3P AL

contact us or call for stock

NQ484L2C

Schneider Electric Circuit Breakers

PANELBOARD INTERIOR NQ 225A MLO 84 CKT 3P CU

contact us or call for stock

NQ484L4C

Schneider Electric Circuit Breakers

PANELBOARD INTERIOR NQ 400A MLO 84 CKT 3P CU

contact us or call for stock

NQFTL4H

Schneider Electric Circuit Breakers

PANELBOARD NQ 400A FTL KIT 54 CKT AND HIGHER

contact us or call for stock

NQN6CU

Schneider Electric Circuit Breakers

PANELBOARD NQ 600A 100% CU NEUTRAL KIT

contact us or call for stock

NQOD442L225CUTF

Schneider Electric Circuit Breakers

PNLBD INT NQOD

contact us or call for stock

NQSFB2Q

Schneider Electric Circuit Breakers

PANELBOARD NQ 225A SFB KIT FOR Q FRAME

contact us or call for stock

PA31200RC

Schneider Electric Circuit Breakers

CIRCUIT BREAKER RATING COLUMN 1200A

contact us or call for stock

PA31600RC

Schneider Electric Circuit Breakers

CIRCUIT BREAKER RATING COLUMN 1600A

contact us or call for stock

PAK11CTG

Schneider Electric Circuit Breakers

POWER OUTLET 120V 40A NEMA 3R

contact us or call for stock

PAK75PG

Schneider Electric Circuit Breakers

POWER OUTLET 120/240V 100A PED MNT N3R

contact us or call for stock

PBMA36600GN

Schneider Electric Circuit Breakers

BUSWAY CIRCUIT BREAKER PLUG-IN UNIT

contact us or call for stock

PBPFA3A100A030

Schneider Electric Circuit Breakers

BUSWAY CIRCUIT BREAKER PLUG-IN UNIT

contact us or call for stock

PBQ3640GRA

Schneider Electric Circuit Breakers

BUSWAY FUSIBLE PLUG-IN UNIT

contact us or call for stock