ABB 1SDA071458R1

The E1.2B 1250 is a fixed four-pole air circuit breaker designed for effective circuit protection. With a rated current of 1250 A and operational voltage of 690 V AC, it is capable of handling significant electrical loads. The device features solid-state release technology, specifically the Ekip Hi-Touch LSI, ensuring precise control and reliability in performance.

In terms of durability, the breaker supports a mechanical lifespan of 20,000 cycles and an electrical durability of 8,000 cycles at 440 V and 6,500 cycles at 500-690 V. The rated short-circuit breaking capacity is consistently rated at 42 kA across various operational voltages, which ensures robust protection against faults.

Dimensions for the device are 280 mm in width, 296 mm in height, and 183 mm in depth, weighing 16 kg. It is designed with front terminal connections and requires a tightening torque of 45 N·m for secure installation. The product adheres to IEC standards and is suitable for IT networks up to 690 V.

Additionally, the E1.2B 1250 incorporates eco-design principles, achieving a recyclability rate of approximately 76.4% and supports extended product lifetime services. This model is classified under ETIM 9 as a power circuit-breaker for transformer, generator, or installation protection.