Westermo Viper 12A Series User Manual page 21

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