The Liebert SN-3C modular sensor is a three dry contact input monitor sensor with a two connection points to allow for a custom string design. Liebert SN sensors are designed to assist in monitoring conditions within a rack and can be placed in any area to read door status.

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• Auto-configuration means no set-up is required on the sensor
• Helps to protect the physical security of critical equipment by monitoring rack conditions and rack door status
• One digital-input probe with three inputs
• Compatible with Vertiv MPX and MPH rack PDUs using RPC card or Vertiv Liebert IS-UNITY-DP communications card
• This three dry contact input monitor sensor helps to protect the physical security of critical equipment by monitoring rack conditions and rack door status
• 6.6ft long
• Can be placed anywhere in the rack
• Door Position Sensor