10/25 
Building Technologies Division    CC1N7451en 
  20.11.2017 
Technical data 
Mains voltage 
C 230 V –15 / +10 % 
C 100 V –15%...AC 110 V +10% 
Mains frequency  50...60 Hz ±6 % 
Unit fuse (built-in)  T6.3H250V to DIN EN 60 127 
Primary fuse (external) max. 10 A (slow)
Weight  approx. 1,000 g 
Power consumption  approx. AC 3.5 VA 
Mounting position optional
Degree of protection  IP 40, when built in, with the exception of 
the connection area (terminal base) 
Safety class 
II 
Perm. input current at terminal 1  max. 5 A continuously (peaks 20 A / 20 ms)
Perm. load on control terminals 3, 6, 7, 
9...11, 15...20 
max. 4 A continuously (peaks 20 A / 20 ms)
Required switching capacity of switching 
devices 
-  Between terminals 4 and 5 
-  Between terminals 4 and 12 
-  Between terminals 4 and 14 
 
 
1 A, AC 250 V 
1 A, AC 250 V 
min. 1 A, AC 250 V 
depending on the load on terminals 16...19
Permissible length of the standard detector 
cable (laid separately) 
See Technical Data, chapter Flame 
supervision
Capacity 
-  Output on startup (without fan  
 assistance) 
- Nominal output 
 
Optional (with ignition <120 kW) 
 
Optional 
 
Storage 
DIN EN 60721-3-1 
Climatic conditions  class 1K3 
Mechanical conditions  class 1M2 
Temperature range  -20...+60 °C 
Humidity  < 95 % r.h. 
Transport 
DIN EN 60721-3-2 
Climatic conditions  class 2K3 
Mechanical conditions  class 2M2 
Temperature range  -20...+60 °C 
Humidity  < 95 % r.h. 
Operation 
DIN EN 60 721-3-3 
Climatic conditions  class 3K3 
Mechanical conditions  class 3M3 
Temperature range  -20...+60 °C 
Humidity  < 95 % r.h. 
Installation altitude  Max. 2,000 m above sea level 
 
 
Warning! 
Condensation, formation of ice and ingress of water are not permitted! 
If not observed, there is a risk of impairment of safety functions and of 
electric shock hazard. 
 
General unit data 
LFL1... 
Environmental 
conditions