ABB 1SDA071463R1

The E1.2C 1250 Air Circuit Breaker is designed for reliable electrical protection in various applications, integrating a solid-state release mechanism, specifically the Ekip Dip LSIG. With a rated current of 1250 A and operational voltage of 690 V AC, it ensures effective performance in both industrial and commercial settings.

This circuit breaker is constructed with a total of 4 poles and is engineered to support a mechanical durability of 20,000 cycles along with an electrical durability rated for 8,000 cycles at 440 V and 6,500 cycles at 500 to 690 V. The breaker maintains a short-circuit performance level of C, ensuring a robust response to fault conditions.

Notably, the E1.2C 1250 has a short-circuit breaking capacity (Icu) of up to 50 kA, making it suitable for high-demand applications. Its rated impulse withstand voltage is compliant with IEC standards, rated at 12 kV, while the insulation voltage stands at 1000 V AC.

Installation is facilitated through front terminal connections, with a recommended tightening torque of 45 N·m. The dimensions of the unit are 280 mm in width, 296 mm in height, and 183 mm in depth, weighing 16 kg. This product adheres to environmental sustainability practices, featuring a recyclability rate of 77.6% according to EN45555.