LST 246100 Leaflet

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B324RL_DBL_LST_EN_0804.PDF • PAGE 1

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Building Safety. Building Security.

The Detector Relay Base B324RL with integrated relay 

output  is  designed  for  the  easy  connection  of  auto-

matic detectors Series 300. Due to its robust multi-wire 

screw terminals, the detectors can be wired with ease, 

thus achieving a secure and durable connection.

The relay output is activated through the alarm activa-

tion of the inserted detector and remains active until 

the alarm is reset on the fi re detection control panel. 

The application has to comply with the guidelines in the 

LST Connection of Detectors. The base is designed for 

surface mounting in dry rooms.

During  construction  work  (or  when  the  detector  has 

been  removed)  the  detector  line  can  be  connected 

 through  via  an  auxiliary  contact,  which  is  integrated 

into the base. With that, the whole wiring of the detec-

tor line can be examined without risking contamination 

of the detectors. The contact is automatically opened 

by installing the detector.

A  mechanical  theft  protection  of  the  detector  can 

 optionally be activated at the detector base.

Operating voltage 

Supply through the detector line voltage

Current consumption 

1µA (quiescent), 25mA (active)

Contact rating 

1A at 30VDC

Ambient temperature 

-20°C to +70°C

Relative humidity 

5 – 93% (no condensation)

Dimensions ø × H 

127 × 29 (mm)

Colour 

cream

Weight 

96g

Order number 

246100

Order name 

Detector Relay Base/Conv./300/SS B324RL