The Siemens 3RT1036-1BB40 is a 3-pole power contactor designed for reliable switching of motors and resistive loads in industrial control applications. Part of the SIRIUS series, it supports AC-3 motor control duty up to 22 kW at 400 V and carries a rated operational current of 50 A. The unit features a 24 V DC control coil and screw terminal connections, with a compact size S2 frame.
Built for durability, the contactor offers a mechanical lifespan of up to 10 million operations and supports a wide operating temperature range from −25°C to +60°C. It is suitable for use in motor starters, control panels, and automation systems.
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