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Isolated Contacts Interface Card

Isolated Contacts Interface Card

The Isolated Contacts Interface Card is an auxiliary interface card which provides system status indication via isolated volt-free relay (dry) contact signals. These signal types are used in specific applications where RS232 serial or network TCPIP communications are not supported or appropriate.

The Isolated Contacts Interface Card supports the following status indications in normally open or normally closed configuration:

  • Failure of AC source to the UPS

  • A low batter charge state when the UPS is running on battery

  • UPS is in the BYPASS mode (on-line UPS systems only)

  • UPS inverter Off if battery is engaged

  • Requirements +


    The isolated, mechanical relay contacts are rated

    • 1 Amp @ 125 VAC

    • 1 Amp @ 30 VDC

    • 100 mAmp @ 125 VDC

  • UPS Support +


    Powervar low power UPS systems.

  • Downloads +