Chapter 2 - Planning
Power supply unit
Power supply unit
Specifications
Wattage
685 W
Rated Voltage Range
100–240 VAC
Rated Line Frequency
50–60 Hz
Rated Input Current
100-240 V @ 9.7 A
Heat dissipation (Configuration and software dependent)
Maximum – 2750 btu/hr
Environmental
Temperature
Runs in the temperature Class/Severity A2 limits (18-27 °C) per
ANSI/ISA-S71.01-1985 Standard*
Operating
10 °C to 35 °C (50 °F to 95 °F)
Storage
-40 °C to +65 °C (-40°F to 149 °F)
Relative humidity
Runs in the humidity Class/Severity A2 limits (20-80%) per
ANSI/ISA-S71.01-1985 Standard*
Humidity Operating 20 % to 80 % RH, non-condensing
Maximum Altitude
Operating
15.2 m to 3,048 m (-50 ft to 10,000 ft)
Non-operating
15.2 m to 10,668 m, (-50 ft to 35,000 ft)
Airborne
contaminant level
< 300 angstroms/month Copper Reactivity Level
< 3 mm
3
/m
3
parts per billion H
2
S Gas concentration
< 10 mm
3
/m
3
parts per billion S0
2
, S0
3
Gas concentration
< 1 mm
3
/m
3
parts per billion CI
2
Gas concentration
< 50 mm
3
/m
3
parts per billion NO
X
Gas concentration
< 1 mm
3
/m
3
parts per billion HF Gas concentration
< 500 mm
3
/m
3
parts per billion NH
3
Gas concentration
< 2 mm
3
/m
3
parts per billion O
3
Gas concentration
Severity level G1 mild environment limits per ANSI/ISA-S71.04-
1985 Standard**
Maximum
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