140G-K15H4-D40

The 140G-K15H4-D40 breaker model is a molded case circuit breaker engineered by Allen-Bradley within the Rockwell Automation framework. Notable for its current capacity, it operates efficiently at 400 Amps, making it a critical component in various high-current applications. With an interrupting rating of 150 kA, the breaker ensures effective management of fault scenarios, thus enhancing the safety of the connected electrical systems.

Designed with a K-frame structure, this unit also features electronic LSI protection, which provides reliable and responsive trip mechanisms for overload and short-circuit events. The breaker incorporates four poles, which allows for diverse circuit applications and configurations.

This breaker is rated for insulation voltages of up to 1000 volts, making it suitable for high-voltage environments. Its impulse withstand voltage capability reaches 8 kV, augmenting its durability against electrical surges. The 140G-K15H4-D40 weighs 9.15 lbs., facilitating manageable installation and handling.

Additionally, the breaker's mechanical life rating of 120 operations per hour promises reliable long-term performance, while its electrical life rating of 60 operations per hour reinforces its reliability under continuous usage. Subsequently, this molded-case circuit breaker stands out for its advanced protective capabilities, durability, and significance in industrial electrical management.