Siemens LFE1 Series - Page 7

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Building Technologies CC1N7461en
21.08.2018
Technical data
Mains frequency AC 220 V -15 %...AC 240 V +10 %
AC 100 V -15 %...AC 110 V +10 %
Mains frequency 50...60 Hz ±6 %
Unit fuse (built-in) T6,3H250V to DIN EN 60127,
(5 x 20 mm)
Primary fuse (external) Max. 16 A (slow)
Weight approx. 2 kg
Power consumption
- in startup
-
in operation
Approx. 9 VA
Approx. 6 VA
Mounting position optional
Degree of protection IP40, when built in, with the exception of
the connection area (terminal base)
Safety class
II
Perm. loading of control outputs
- Per terminal
-
Total
Max. 4 A to VDE 0660 AC3
Max. 5 A to VDE 0660 AC3
Storage DIN EN 60 721-3-1
Climatic conditions class 1K3
Mechanical conditions class 1M2
Temperature range -20...+60 °C
Humidity < 95 % r.F.
Transport DIN EN 60721-3-2
Climatic conditions class 2K2
Mechanical conditions class 2M2
Temperature range -50...+60 °C
Humidity < 95 % r.h.
Operation DIN EN 60721-3-3
Climatic conditions class 3K5
Mechanical conditions class 3M2
Temperature range -20...+60 °C
Humidity < 95 % r.h.
Installation altitude Max. 2,000 m above sea level
Attention!
Condensation, formation of ice and ingress of water are not permitted!
If not observed, the safety functions are no longer ensured and there will be a
risk of electric shock.
Ionization probe QRA...
Operating voltage 460 Vpeak 460 Vpeak
Required detector current
- At AC 100 V and AC 220 V
-
At AC 110 V and AC 240 V
Min. 8 µA
Min. 9 µA
Min. 150 µA
Min. 200 µA
Possible detector current Max. 100 µA Max. 650 µA
Short-circuit current Approx. 4 mA ---
Perm. length of connection cable
(laid separately)
20 m ¹) 20 m ¹)
Perm. ambient temperature --- 60 °C
Type of insulation --- Protective insulation
Mounting position --- Optional
1) If longer distances need to be covered, use low capacitance cable (e.g. single-core cable,
totally max. 2 nF)
General unit data
LFE1...
Environmental
conditions
Flame supervision
Flame detector