140G-N5H4-E12-Z1

The 140G-N5H4-E12-Z1 molded case circuit breaker by Allen-Bradley is engineered for demanding electrical systems. With its N frame design, this unit supports a substantial current rating of 1200 A, accommodating significant loads effectively. The breaker is capable of handling fault currents with an interrupting rating of 50 kA, essential for protecting equipment in high-risk scenarios.

Designed to provide enhanced safety, the breaker features an Electronic LSI protection type, which enables precise response to overcurrent and fault conditions. This model includes four poles, ensuring extensive circuit protection across multiple phases. The unit functions efficiently over a rated insulation voltage of 1000 volts, lending itself well to high-voltage applications, while also managing impulse withstands of up to 8 kV, offering additional resilience against voltage spikes.

Weighing 27.56 pounds, the 140G-N5H4-E12-Z1 is designed for durability and reliability. Its mechanical and electrical life capabilities are both rated for 60 operations per hour, reflecting its suitability for continuous operation in active environments. The integration of these features makes this circuit breaker a critical component in robust electrical designs.