100W High Voltage Power Supply Connections
7705 SAR-A Chassis Installation Guide 85
Environmental Specifications
Notes:
1. Not applicable to DIN rail-mounted hardware.
2. Enclosure classification is as defined in IEC 60529.
Table 20: 100W High Voltage Power Supply Environmental Specifications 
Parameter Description
Normal operating temperature  –40 to  149ºF 
(–40 to 65ºC)
Cold start temperature –40ºF (–40ºC)
Relative humidity 5 to 95% (non-condensing)
Cooling Convection
Altitude range Between 1033 ft (315 m) below sea level and 6562 ft 
(2000 m) above sea level
Earthquake Suitable for high-risk areas (Zone 4/California, for short-
duration disturbance) 
1
Enclosure classification
2
IP67
Operating voltage range (DC)  88 VDC to 300 VDC
Operating voltage range (AC)  85 VAC to 264 VAC
Input current 1.5 A maximum at 95 VAC
0.7 A maximum at 220 VAC
1.65 A maximum at 88 VDC
Input frequency 47 Hz to 63 Hz
Rated output voltage (DC) 54 VDC
Maximum output current 2.1 A