The C3RY-8 is a 3-Series™ control card that provides eight isolated, low-voltage relay closures. Each relay is rated 1 Amp at 30 Volts. The card is designed to install in a control card expansion slot of a 3-Series Control System® model PRO4 or AV4[1], or 4-Series Card Interface model CEN-CI3-1 or CEN-CI3-3.
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