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B524IEFT-1_DBL_LST_EN_0804.PDF • PAGE 1

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Building Safety. Building Security.

Description

Specifi cations

The Isolator Detector Base B524IEFT-1 is designed to 

accommodate intelligent fi re detectors Series 200 and 

500  for  use  in  ADM  loops  with  System  Sensor/200 

protocol.

A dual-isolator unit is integrated into the detector base, 

which reliably disconnects the loop in case of a short 

circuit. With the dual design, the input side or the out-

put  side  isolator  –  depending  on  the  location  of  the 

short circuit – interrupts the connection to the faulty 

loop segment. Therefore the detector remains in ope-

ration.

Due to its robust multi-wire screw terminals, the detec-

tors can be wired with ease, thus achieving a secure 

and durable connection. The base also provides a pos-

sibility for the easy connection of remote indicators.

The  base  is  designed  for  surface  mounting  in  dry 

rooms.  For  special  applications  a  range  of  accesso-

ries (for moist room, false ceiling or fl ush installation) 

is available.

A  mechanical  theft  protection  of  the  detector  can 

 optionally be activated at the detector base.

•   Suitable for automatic detectors 

in ADM loop technology with 

System Sensor/200 protocol

•   Dual-isolator unit
•   Screw terminals for secure 

connection of multiple wires

•   Terminals for connection of remote 

indicator

•   Mechanical theft protection can be 

activated

Current consumption 

max. 100µA (quiescent)

Ambient temperature 

-30°C to +70°C

Relative humidity 

0 – 93% (no condensation)

Dimensions ø × H 

102 × 26 (mm)

Colour  

cream

Weight 

70g

Approval 

VdS G200100

Order number 

246013

Order name 

Isolator Detector Base/Anal./500/200/SS B524IEFT-1

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