REMOTE RELEASE SWITCH

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If a door is being held open by the LCN SEM 7800/1900 magnet or any ME/SE Series Sentronic LCN closer, you can remotely release that door to close by ordering the following parts and wiring per ST ...
The Request to Exit (RTX) switch input can be used as a remote door release.
A single-pole, single-throw switch (e.g., pushbutton switch) must be connected across the RTX input pins.
When the switch changes state (e.g., from open to closed), the CT5000 will change the state of the Strike relay.