ABB 1SDA071603R1

The E2.2H 1250 air circuit breaker is designed for fixed mounting and features a rear horizontal terminal connection. With a rated current of 1250 A and a rated operational voltage of 690 V AC, it provides reliable protection for electrical circuits. This model incorporates a solid-state release mechanism, specifically the Ekip Dip LSIG, enhancing its operational capabilities.

It supports a mechanical durability of 25,000 cycles and an electrical durability rated for 15,000 cycles at voltages up to 690 V. The device is capable of handling short-circuit breaking capacities of up to 100 kA at various voltages, ensuring robust protection against fault conditions. The rated impulse withstand voltage is 12 kV according to IEC 60947-2 standards, and its rated insulation voltage reaches 1000 V AC.

Measuring 366 mm in width, 371 mm in height, and 270 mm in depth, the breaker has a net weight of 53 kg. It is designed for high performance with a power loss of 83 W and a tightening torque specification of 70 N·m for terminal connections. The product is classified under the designation code E2.2, and complies with multiple standards including REACH and RoHS.