This product is part of the Easy Harmony XA2 range, an offer of Ø 22mm plastic pushbuttons, switches and pilot lights.This contact block allows fast and easy replacement and configuration of your push buttons and selector switches.It is easily installed and replaced on XA2 complete push-button units and selector switches and connects to control circuits with simple screw-clamp connections.It has 1 NO contact with slow-break operation.It uses silver alloy contact material.It protects operators from unexpected contact with live circuits due to its IP20 protection index. It is designed for 1.5 million cycle operation.It is an IP20 rated product and comes with CE, CCC and EAC certification conforming to GB 14048.1, IEC 60947-1, GB 14048.5 and IEC 60947-5-1 standards .It is easily installed and replaced with simple screw-clamp connections.