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Panasonic Electric Works Fire & Security Technology Europe AB 

 

Citadellsvägen 23, SE-211 18 Malmö, Sweden 

Tel: +46 (0)40 697 70 00 • Fax: +46 (0)40 697 70 99 

[email protected] • www.panasonic-fire-security.com 

Fire alarm systems 

Units for Hazardous (Ex) areas 

 

 

Approved isolator and 

I

ntrinsically 

S

afe detectors for conventional zone line input. 

General 

In hazardous (Ex) areas, 

I

ntrinsically 

S

afe 

(IS) and approved products are required.  To 
a zone line input is connected a Galvanic 
isolator, to which the intrinsically safe 
detectors are connected.   

Galvanic isolator MTL5061 

The isolator is used to connect the IS detec-
tors and manual call points to a zone line 
input.  Up to 5 units can be used on the zone 
line and an end-of-line resistor is to be 
connected in the last unit.  The isolator has 
two in and outputs (Channel 1 & 2) and is 
mounted in a waterproof box (IP66/67).  
Supplied with four compression glands for 
the cable entries, two 12K e-o-l resistors for 
system EBL500 and two 10K e-o-l resistors 
for system EBL128. 

IS mounting base YBN-R/4 IS 

In the base could be plugged a conventional 
IS smoke or heat detector. 
The base has terminals for the zone line 
(in/out) and for an external indicator (LED).   

IS smoke detector SLR-E-IS  

A conventional IS photoelectric (optical) 
smoke detector, to be plugged in the IS 
mounting base. 
The detector has two built-in LEDs to 
indicate that the detector has generated fire 
alarm. 

IS heat detector DCD-1E-IS 

A conventional IS Rate of Rise heat 
detector, fixed temperature 60°C (class A1), 
to be plugged in the IS mounting base.  The 
detector has two built-in LEDs to indicate 
that the detector has generated fire alarm. 

Product applications 

The units are used in the systems EBL500 
and EBL128 with conventional zone line 
inputs available. 

Connections, etc. according to connection 
diagram for the system respectively. 

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