ABB 1SDA071461R1

The E1.2C 1250 air circuit breaker is designed for fixed installation, featuring four poles and front terminals. It is integrated with a solid-state release mechanism (Ekip Dip LI) for enhanced operational performance. With a rated current of 1250 A and a rated operational voltage of 690 V AC, this model ensures reliable protection in various industrial applications.

Designed for electrical durability, it can withstand up to 8000 cycles at Ue =< 440 V and 6500 cycles at Ue between 500 and 690 V, highlighting its capability for high-frequency operations at 30 cycles per hour. The mechanical durability stands at 20,000 cycles, supporting 60 cycles per hour, ensuring longevity and reducing maintenance requirements.

It features a rated short-circuit breaking capacity of 50 kA across multiple voltage levels (220 V to 440 V AC) and a rated impulse withstand voltage of 12 kV according to IEC 60947-2 standards. Its short-circuit performance level is classified as C, making it suitable for demanding applications.

The product's compact dimensions (280 mm width, 296 mm height, 183 mm depth) and weight of 16 kg facilitate easy installation. Moreover, the terminal connection type is bolt, with a tightening torque of 45 N·m, ensuring secure electrical connections.

For environmental compliance, the E1.2C 1250 adheres to RoHS regulations, promoting sustainability through a recyclability rate of 77.6% as per EN45555 standards. Furthermore, it supports zero waste to ... [Read more]