Supply Voltage
Power supply unit 100 - 240  V AC , 50-60 Hz.
AC input range: 90 - 264 V continuous operation.
Disconnecting Device
An external 2-pole switch close to the CPM is required. The switch must be approved in accordance with the IEC 60947-2 and IEC 60947-3 requirements.
Power Consumption 
Maximum: 50 W (CPM-1300), 320 W (CPM-1400), 80 W (CPM-1500)
Altitude
0 to 2000 m (0-6560ft) without any restrictions.
2000 to 6000 m (6560 to 20000ft) reduce output power or ambient temperature.
Altitude de-rating = 5 W / 1000 m or 5 °C / 1000 m. 
Humidity
5 to 95% r.h (IEC 60068-2-30)
Over-voltage Category
Category III: IEC 62103, EN 50178, altitudes up to 2000 m
Category II: altitudes from 2000 m to 6000 m
Degree of Pollution
2: IEC 62103, EN 50178, not conductive