Industrial Automation Co. is NOT an Authorized Rockwell Distributor - we have our own unique inventory and sourcing relationships. Review our Reseller notice, here.

The 140G-M5X3 circuit breaker by Allen-Bradley/Rockwell Automation is a premier component of the 140G series, known for its robust design and reliability in industrial applications. Engineered for versatile performance, it supports a voltage rating of 600 Volts AC and boasts a current capacity of 800 Amps within an M frame structure, featuring a 3-pole configuration and a high interrupting rate of 50 kA at 480 Volts AC. Its compliance with IEC 60947-2, UL489, and CSA22.2, No. 5 standards, along with CE, CSA, and UL certifications, underscores its superior quality and safety. Additionally, it provides extensive protection through thermal, magnetic, and electronic mechanisms, making it a reliable choice for critical power applications requiring both endurance and rapid response.