DetectorRelayBaseSeries300
B312RL/B312NL
• Suitable for automatic detectors in
conventional technology
• Relay output with dry change-over
contact
• Connection to control panels with
12V operating voltage
• Test contact for examining the
detector line without detectors
• Mechanical theft protection can be
activated
Description
The Detector Relay Base B312RL/B312NL with integra- of the fire alarm.
ted relay output is designed for the easy connection of During construction work (or when the detector has
automatic detectors Series 300. Due to its robust multi- been removed) the detector line can be connected
wire screw terminals, the detectors can be wired with through via an auxiliary contact, which is integrated into
ease, thus achieving a secure and durable connection. the base. With that, the whole wiring of the detector
line can be examined without risking contamination of
The relay output is activated through the alarm acti- the detectors. The contact is automatically opened by
vation of the inserted detector. In the Detector Relay installing the detector.
Base B312RL the relay output remains active until the The detector base is designed for surface mounting in
operating voltage is briefly interrupted. In the Detector dry rooms. A mechanical theft protection of the detec-
Relay Base B312NL the detector and the relay output tor can optionally be activated at the detector base.
are automatically reset a few seconds after detection
Specifications
Operating voltage
8.5 – 15VDC
Current consumption
typ. 20µA (quiescent)
50mA (active)
Contact rating
1A at 30VDC
-20°C to +70°C
5 – 93% (no condensation)
127 × 29 (mm)
cream
Ambient temperature
Relative humidity
Dimensions ø × H
Colour
Weight
96g
Detector Relay Base B312RL
Order number
246101
Order name
Detector Relay Base/Conv./300/SS B312RL
Detector Relay Base B312NL
Order number
246102
Order name
Detector Relay Base/Conv./300/SS B312NL
Building Safety. Building Security.
A
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