The 121720 is an accessory contact element designed for series M22. It features one normally open (N/O) contact and two normally closed (N/C) contacts, suitable for floor fastening and base fixing applications. The device has a length/depth of 38 mm, a height of 30 mm, and a width of 32 mm, with a weight of 0.032 kg. It complies with relevant standards for clearances and creepage distances and offers protection against electric shock. The contact element is equipped with self-monitoring capabilities and is attached to the rear wall, making it suitable for various electrical setups within the M22 series.
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