Liebert SN-2D: is a rack Door Contact Sensor (1 probe) with 2 contact inputs, and a 6.6ft cable. The SN-2D sensor will work with a kit available from Emerson Network Power (P/N AD-2D-DCM) or with a generic door switch.
Liebert SN sensors are designed to assist in monitoring conditions within a rack - sensors can be placed in any area whilst being monitored through a secure Web/SNMP interface, the RPC BDM Local Display Module, or through Liebert Nform / SiteScan software. Up to 10 Sensors can be connected to a Liebert RPC network card, enabling monitoring through Liebert MPX, MPH or MPH2 rack PDU models. SN Sensors are also compatible with the Liebert RDU‑S Rack Monitoring Device.
Door Switch Supports
Non-powered door switch contact rated for minimum of 5V, 1mA