The CHQ-SOM has been designed to allow a single relay output to be connected to the ESP loop.  The unit incorporates a volt-free relay contact that can be configured as either N/O or N/C, the relay contact is rated to 30 V dc (max), 1 A (resistive load).  The CHQ-SOM features three colour-coded flying leads; the unit also features a wiring terminal block for loop connection.