AEC UPS Dry Contract Relay Cards

The AEC UPS Dry Contact Relay card provides a series of potential-free normally open (NO) or normally closed (NC) contacts that can be used to signal changes in UPS operational states and/or to perform a manual or automatic remote UPS shutdown.

The AEC UPS Dry Contract Relay card can signal:

• UPS in Inverter mode; mains power supply failure or instability
• UPS in Bypass mode
• No input network
• Battery check alarm
• UPS general alarm