3RT1056-6AU36

The Siemens 3RT1056-6AU36 power contactor is engineered for reliable control and switching of electrical circuits. It supports a main current circuit comprising three poles, allowing for efficient operation. This device has an auxiliary switch for added functionality. With the insulation voltage rated at 1000 V for the main circuit and 500 V for the auxiliary switch, it guarantees safe performance in various electrical contexts.

Its construction features a surge voltage resistance of up to 8 kV, which is crucial for preventing damage due to voltage spikes. This power contactor is also designed to withstand shock, rated to handle rectangular impulse shocks of 8.5g for 5 milliseconds and 4.2g for 10 milliseconds.

In terms of electrical characteristics, the power loss during hot operation peaks at 39 W, corresponding to 13 W per pole, which is indicative of the contactor's efficiency. Additionally, the unit requires a closing power of 360 W for its DC magnet coil while maintaining a holding power of 5.2 W. The closing delay ranges from 20 to 96 milliseconds, and the arcing time lasts between 10 and 15 milliseconds, which are important factors for the timely and effective operation of control systems. Weighing in at 3.44 kg, the 3RT1056-6AU36 is also suitable for installations at altitudes of up to 2000 meters above sea level, making it versatile for various application environments.