HP UPS Extended Runtime Module - Manual (Page 49)

Specifications 49
Environmental specifications
Feature Specification
Operating temperature 10°C to 40°C (50°F to 104°F); UL-tested at 25°C
(77°F)
Nonoperating
temperature -25°C to 55°C (-13°F to 131°F)
Relative humidity 20% to 80%; noncondensing
Operating altitude Up to 2,000 m (6,600 ft) above sea level
Nonoperating altitude 15,000 m (49,212 ft) above sea level
Audible noise Less than 45 dBA, normal operation
Less than 50 dBA, on battery power
REPO port specifications
The REPO port meets the requirements of NFPA Articles 645-10 and 645-11 for a Disconnecting Means.