140G-J6F4-C90

The 140G-J6F4-C90 molded case circuit breaker from Allen-Bradley, a brand under Rockwell Automation, provides essential protection for electrical circuits. Rated for 250 Amps and designed with a J frame, this breaker is capable of handling significant electrical currents while ensuring safety and reliability in critical situations. Its interrupting rating of 65 kA indicates its ability to effectively manage fault conditions, providing confidence in its performance.

This model operates with adjustable thermal and magnetic protection, allowing for tailored trip settings depending on the application requirements. The four-pole design enables versatile positioning and connection within multi-phase systems. With a current range of 90 A, the breaker remains suitable for various operational profiles.

The 140G-J6F4-C90 supports a rated insulation voltage of 1000 V, making it suitable for high-voltage systems, while its rated impulse withstand voltage of 8 kV enhances its capability for demanding environments. Weighing 7.72 pounds, this circuit breaker is manageable for installation and maintenance.

In terms of longevity, the mechanical life is rated at 240 operations per hour, ensuring that it can handle extensive cycles without significant wear. The electrical life rating stands at 120 operations per hour, indicating durability and reliability in operational performance, making this model a viable choice for maintaining safety in industrial applications.