contct blck N/C Ring Term

• · This Harmony ZB, single contact block uses lugs terminals.
• · It is compatible with Harmony XB4 and XB5 control and signaling units.
• · This contact block allows fast and easy replacement and configuration of your push buttons and selector switches.
• · It is easily installed and replaced on XB4 and XB5 complete push-button units and selector switches and connects to control circuits with simple lugs connections.
• · It protects operators from unexpected contact with live circuits thanks to its IP20 protection index.