LST B312RL, B312NL, Series 300 User Manual

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DetectorRelayBaseSeries300

B312RL/B312NL

Suitable for automatic detectors in conventional technology

Relay output with dry change-overcontact

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 integrated relay output is designed for the easy connection of automatic detectors Series 300. Due to its robust multiwire screw terminals, the detectors can be wired with ease, thus achieving a secure and durable connection.

The relay output is activated through the alarm activation of the inserted detector. In the Detector Relay Base B312RL the relay output remains active until the operating voltage is briefly interrupted. In the Detector Relay Base B312NL the detector and the relay output are automatically reset a few seconds after detection

of the fire alarm.

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 detector line can be examined without risking contamination of the detectors. The contact is automatically opened by installing the detector.

The detector base is designed for surface mounting in dry rooms. A mechanical theft protection of the detector can optionally be activated at the detector base.

Specifi cations

Operating voltage

8.5 – 15VDC

 

Current consumption

typ. 20µA (quiescent)

 

 

50mA (active)

 

Contact rating

1A at 30VDC

 

Ambient temperature

-20°Cto +70°C

 

Relative humidity

5 – 93% (no condensation)

 

Dimensions ø × H

127 × 29 (mm)

 

Colour

cream

 

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

A

Order name

Detector Relay Base/Conv./300/SS B312NL

Building Safety. Building Security.

 

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