Data Sheet for Product

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Siemens Climatix Extension Modules ECV2 CB1N3944en
Smart Infrastructure 2021-02-16
Possible plugs for IO signals
(not included)
Phoenix FKCVW 2,5 / x-ST
Phoenix FKCT 2,5 / x-ST
Phoenix MVSTBW 2,5 / x-ST
Solid wire
0.5…2.5 mm²
Stranded wire
(twisted and with ferrule)
0.5…1.5 mm²
Cable lengths In compliance with load, local regulations
and installation documents
Power supply Ueff = AC 24 V  20%, fmain = 45...65 Hz or
U = DC 24 V  10%, no internal fuse
Bus termination
120 Ω + 1 nF
Board to board (not included)
Board to wire (not included)
ZEC 1,0 / 4-LPV-3,5 GY35AUC2CI1
ZEC 1,0 / 4-ST-3,5 GY35AUC1R1,4
Stranded wire
(twisted and with ferrule)
0.2…1.0 mm²
Cable lengths Max. 30 m
Addressing DIP Switch 1…5
Termination DIP Switch 6
Operation 3K5 according IEC 721-3-3
Temperature
-40...70 °C (POL98E.00)
-40...60 °C (POL98U.00)
Relative humidity 5%....95% (non-condensing)
Absolute humidity 1...29 g/m³
Air pressure Min. 700 hPa, corresponding to
Max. 3,000 m above sea level
Transport IEC 60721-3-2
Temperature -40...70 °C
Humidity <95% r.h. (no condensation)
Air pressure Min. 260 hPa, corresponding to
Max. 10,000 m above sea level
Degree of protection IP20 (EN 60529)
Pollution degree II as per EN 60730-1
Safety class
Suitable for use in plants with safety class II
EU Conformity (CE)
RCM Conformity
CB1T3434xx *)
CB1T3434en_C1*)
Listings
UL916, UL873
CSA C22.2M205
*)
The documents can be downloaded from http://siemens.com/bt/download.
Connection terminals
Peripheral
b
us
Environmental
conditions
Protection
Standards