This Harmony XAC, contact block uses screw-clamp terminals and has 2 x NO + 1 x NC contact.::This contact block allows fast and easy replacement and configuration of your push buttons and selector switches.::It is easily installed and replaced on XACM and XACB pendant control stations and connects to control circuits with simple screw-clamp connections.::It protects operators from unexpected contact with live circuits thanks to its IP20 protection index.::It has clear labelling of the contact wiring and terminals names on the side of the block.::Vibration resistant screw clamp connection terminals ensure high vibration resistance making product suitable installation on high impact machine.