ABB 1SDA072809R1

The 1250 A Air Circuit Breaker E1.2B features a four-pole arrangement and utilizes the Ekip Hi-Touch LSIG release mechanism. It is specifically engineered for AC applications, supporting rated operational voltages up to 690 V.

This model ensures high electrical durability, rated at 8000 cycles at Ue =< 440 V and 6500 cycles at Ue = 500 ... 690 V, with a maximum mechanical durability of 20000 cycles. The product's rated current is 1250 A, and it provides precise short-circuit protection with a rated service short-circuit breaking capacity (Ics) of 42 kA across various voltages.

Additionally, it is equipped with four auxiliary contacts and can be used in both open and closed positions. The design adheres to IEC standards, making it suitable for IT networks at 690 V. The unit's dimensions are 348 mm in width, 363.5 mm in height, and 271 mm in depth, weighing 20 kg. The product also has a notable power loss of 244 W.