SilverStone ST1500 Manual - Manual (Page 8)

5.3 Altitude
6. SAFETY
6-1. Underwriters Laboratory (UL) recognition.
The power supply designed to meet UL
6-2. The power supply must bear the German Bauart Mark from TUV
Operating
Storage
10,000FT max
50,000FT max
4-2. Hold up time
When the power loss its input power, it shall maintain 17ms in regulation limit at normal input
voltage. (AC:115V/60Hz or 230V/50Hz)
5. ENVIRONMENT
5-1. Operation
0 to 40
10 to 85%, non-condensing
Temperature
Relative Humidity
5-2. Shipping and Storage
Temperature
Relative Humidity
-40 to 70
5 to 90%, non-condensing