Westermo Viper 12A Series, User Manual

Page: 21 / 24

Environmental
phenomena Basic
standard Description Test levels
Temperatures EN 60068-2-1
EN 60068-2-2 Operating -40 to +70°C (-40 to +158°F)
ab
Storage and
transport -55 to +85°C (-67 to +185°F)
Humidity EN 60068-2-30 Operating 5-95% relative humidity
Storage and
transport
Altitude Operating 2000 m/70 kPa
Service life Operating 20 years according to IEC/TR 62380
MTBF Viper-x12A:
1: 557,000 hours 1: MIL-C217F2, GB, 25°C (+77°F)
2: IEC 62380
Viper-x12A-T3G:
1: 549,000 hours
2: 561,000 hours
Viper-x12A-T5G:
1: 544,000 hours
Vibration IEC 60068-2-6
(sine) Operational 2 g rms 5-500 Hz, 5 sweeps
IEC
60068-2-64
(random) Non-operational
long life
simulation 11.44 m/s² rms 5-150 Hz, 5 hours
2.3 m/s² rms 5-2000 Hz, 5 hours
Shock IEC
60068-2-27 Operational 10 g, 30 ms, half sine
20 g, 11 ms, saw tooth
100 g, 6 ms, half sine
Enclosure EN 60950-1 Zinc (front),
Aluminium (rear) Fire enclosure
Dimension WxHxD
with connectors See "Dimensions" chapter for details
Weight 1.4 kg
Degree of protection EN 60529 Enclosure IP67
c
Cooling Convection
a
Refer to "Safety and Regulations" chapter regarding touch temperature
b
Operational at +85°C for a limited time
c
Provided all connectors are connected with IP67 cabling or fitted with protective caps (delivered with the unit)
and tightened to the specified torque.
Table 10. Environmental and mechanical conditions
Viper 12A Series 21