PowerShield PSAS400 Internal Relay Card VFC

The Relay (AS400) card provides VFC – (Volt Free Contact) relays that change state upon UPS events. This type of card is often used when current loop communications are required for devices such as BMS – Building Management Systems, Access Control Alarm Panels or Industrial PLCs. The events that can be detected are, Mains Failure & Restore, Battery Normal or Low, UPS Normal or Bypass, UPS Summary Alarm.

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