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The RL-4 Quad Relay Module provides four independent Form “C” relay contacts. The relays are energized by applying a positive or negative voltage at the input terminal(s). You can choose positive or negative voltage by the setting of the jumper.
Main Features
Quad Relay Module Provides Four Independent Form C Relay Contacts
The Relays are Energized by Applying a Positive or Negative Voltage at the Input Terminal
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