6ES5 955-3NC41
6ES5 955-3NF41
Backup battery
Type
Capacity
No-load voltage
Voltage under load
Storage life
Service life in operation
(see Section 4.3.4 for backup times)
Lithium thionyl chloride
5 Ah
3.6 V
3.4 V
approx. 10 years
3 years max.
Rechargeable battery
Type
Capacity
Rated voltage
Service life in operation
(see Section 4.3.4 for backup times)
Nickel cadmium
1.2 Ah
3.6 V
6 years at 40
o
C (104
o
F)
Service life of fans
approx. 50,000 h at 40
o
C
approx. 50,000 h at 40
o
C
Weight
approx. 5.8 kg
approx. 5.8 kg
Noise emission
58 dBA
58 dBA
Environmental data
See technical specifications of the S5-135U/155U CC
4
Power Supply Units
System Manual
C79000-B8576-C199-03
4 - 59