This Harmony XB6 black, complete key switch is part of the range diameter 16mm plastic, Harmony XB6 modular.It has a square head shape, with Ronis key no. 200, and 3-stay put positions.It features 1 NO 1 NC slow break contacts and faston connection type.Its reduced diameter 16mm makes it suitable to applications where less space is available for mounting, like small machines and control panels.It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP65.