Technical data

www.westermo.com Theoretical and general applications 15
Requirement
Factor Severity Standard Comments Reference
Emission EN 61000-6-3 EN 55022 See 1.1 and 1.2
Residential class B
Immunity EN 61000-6-2 EN 61000-4-2 See 1.1 and 1.2
Industrial EN 61000-4-3
EN 61000-4-4
EN 61000-4-5
EN 61000-4-6
EN 61000-4-8
EN 61000-4-11
Information Technology EN 55024 See 1.3
Equipment
Power supply (LV) See 2.1
Rated voltage range 12 to 48 VDC
Operating voltage range 9.6 to 57.6 VDC
Power supply (HV) See 2.2
Rated voltage range 95–240 VAC
110–250 VDC
Operating voltage range 85.5–264 VAC
88–300 VDC
Rated Power supply 48 62 Hz
frequency range
Reverse polarity Yes
protection
Short circuit As a part of the
protection building installation
TNV-3 Maximum See 2.5
70.7 V peak / 120 VDC PSTN
or similar
TNV-1 Maximum See 2.4
42.4 V peak / 60 VDC RS-422/485,
Ethernet
or similar
SELV Maximum See 2.3
42.4 V peak / 60 VDC RS-232
or similar
Electrical conditions
B A C K