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VDOT-STB-RL is a 4 inch relay base for use with Velocity’s UL listed detectors. It incorporates one volt free relay contact. When a detector is in an alarm condition, the base receives a control signal from the detector and changes status of the relay.


The rating of relay contact is 30 VDC@1 A. 

VDOT-STB-RL can be mounted to 3-1/2” octagonal electrical box, or to 4” square or 4” octagonal electrical box when using VDOT-ADP optional mounting adaptor.


The base is supplied with 2 terminals for SLC as standard.


The 12 – 20 AWG field wire can be connected to the terminals. VDOT-STBRL contains a locking screw to avoid unauthorised removal of detectors.


• Low power relay base.

• UL Listed Base.

• Compatible to Velocity’s UL Listed detectors.

• Contains a locking screw for tamper protection.

• Current Consumption 24 µA (Stanby), 110 µA (Alarm/ Activated).

• Power supply 20 VDC to 38 VDC supplied by loop.


Dimensions S6 base.JPG
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