Technical data

65
Standard Requirement Specification
T 1T 2T 3T 4T 5E
Standard requirement Indoors in Indoors in light Indoors in Normal Heavy duty Indoors in
specifications - SRS office & light industrial heavy duty outdoor outdoor climate-con-
Intercom & Nurse Call industrial & hospital industrial environments environments trolled offices
environments environments environments such as gates, with special and light in-
doors, etc. requirements dustrial
environments
1. Mains supply when applicable
90-190 V a.c. 47-63 Hz NA NA NA NA NA X
180-264 V a.c. 47-63 Hz NA NA NA NA NA X
2. Environmental data, operating
2.1 Ambient temperature range (
o
C):
-25/+55 X X
0/+45 X X X X
2.2 Relative humidity (%):
30-80, non-condensing X
10-95 X X X X X
3. Miscellaneous
3.1 Min. lifetime, installed 10 years X X X X X X
3.2 Max. storage time, 2 years X X X X X X
3.3 Reliability, MTBF
3.3.1 5 years XX
3.3.2 20 years X X X X
3.4 Service (facilities for repair of sub-units):
3.4.1 Local (NSO/installer) X X X X X X
3.4.2 Central (supply centre) X
3.5 Service period 5 years X X X X X X
3.6 Accepted level at delivery,
non funct. device, 1,0% X X X X X X
NA = not applicable