140G-J0F4-D22

The 140G-J0F4-D22 from Allen-Bradley is a robust molded case circuit breaker that excels in motor control and protection applications. This device operates efficiently at a maximum current of 250 amps and features an interrupting rating of 100 kA, making it suitable for heavy-duty applications. The adjustable thermal and magnetic protection mechanisms allow for tailored performance based on system requirements.

The design of the circuit breaker incorporates four poles, ensuring it can effectively manage multi-phase systems. With a rated current capability of 220 A, this breaker is versatile in handling various electrical loads. It is engineered to handle a rated insulation voltage of 1000V, which is critical for ensuring safety in higher voltage applications.

Additionally, the ability to withstand impulse voltages up to 8 kV enhances the reliability of this breaker in challenging environments. The 140G-J0F4-D22 weighs 7.72 lbs, making it manageable for installation while emphasizing durability. Its mechanical lifespan is rated at 240 operations per hour, indicating its robustness and its electrical lifespan is rated at 120 operations per hour to catering to the demands of different industrial applications.