140G-K3F4-D40

The 140G-K3F4-D40 model offered by Allen-Bradley is crafted as a molded case circuit breaker within the 140G series. Engineered to handle a maximum current of 400 Amps, it is essential for efficiently managing electrical loads. This device uses a K frame design, ensuring solid structure and performance under varying conditions. The interrupting rating of 35 kA signifies its reliability in breaking fault currents, crucial for protecting circuits and ensuring safe operation.

Its four-pole configuration allows for comprehensive circuit protection, catering to complex electrical setups. The circuit breaker employs adjustable thermal and magnetic protections, offering flexibility based on the application demands. It operates effectively at a rated insulation voltage of 1000 volts, making it suitable for high-voltage applications. Additionally, its capability to withstand rated impulse voltages of 8 kV enhances its suitability in environments prone to voltage spikes.

With a total weight of 9.15 pounds, the 140G-K3F4-D40 is sturdy and designed for ease of installation. This breaker is durable, boasting a mechanical life of 120 operations per hour, ensuring longevity in regular use. Its electrical life rating is configured at 60 operations per hour, reinforcing its reliability in critical applications. The 140G-K3F4-D40 circuit breaker stands as a robust solution for protecting electrical circuits in various industrial scenarios.