Data Sheet for Product

15
Siemens
CB1Q3973_en--_e
Smart Infrastructure
2022-03-21
Connection terminals
(available on request)
Phoenix FKCT 2,5/2-ST OG
Phoenix MVSTBW 2,5/2-ST OG
Solid wire
0.5…2.5 mm²
Stranded wire (twisted or with ferrule)
0.5…1.5 mm²
Cable length
In compliance with the load, local
regulations and installation documents
Real-time clock
Buffering with internal Gold Cap
Min. 4 hours
SD card
SD card
At the right side of the housing
Max. capability
32 GB
Formation
FAT32
Ambient conditions and protection classification
Climatic ambient conditions
● Transport (packaged for transport) as per
EN 60721-3-2
Temperature: -40...70 °C
Air humidity: <95% r.h. (no condensation)
Air pressure: Min. 260 hPa, corresponding to
Max. 10,000 m above sea level
● Operation as per EN 60721-3-3.
Temperature -40...70 °C
Restriction process bus -25…70 °C
Air humidity <95% r.h. (no condensation).
Air pressure Min. 700 hPa, corresponding to
Max. 3,000 m above sea level
Mechanical ambient conditions
● Transport as per EN 60721-3-2
Class 2M2
Degree of protection of housing to EN 60529
IP20
Safety class
Suitable for use in plants with safety class II
Standards, directives and approvals
Product standard
EN 60730-1
Automatic electronic controls for household
and similar use.
Electromagnetic compatibility
For residential, commercial, and light-