Siemens 3RT2036-1AK60 is a 3-pole Sirius power contactor designed for AC-3e/AC-3 motor switching, rated for 51 A and 22 kW at 400 V. It uses a 120 V AC control coil (110 V AC at 50 Hz / 120 V AC at 60 Hz) and includes a single auxiliary contact (1 NO + 1 NC) with screw-terminal connections in size class S2. This compact three‑pole device is suitable for industrial motor control and other heavy loads, compatible with standard IEC coil and contactor architectures for reliable operation in 50/60 Hz networks.
