Powerware 5075 kVA - Manual (Page 131)

123 Powerware BPIII Harsh Environment UPS 50--75 kVA Installation and Operatio n
164201261 Rev. F 111503
Environmental Specifications
Operating Temperature 0 to 50˚C without derating. However, operating
at or near 50˚C will adversely affect battery life
(refer to your battery specifications for more
information). The recommended operating
temperature is 25˚C.
Operating Altitude Maximum 1500m (5000 ft) at 50_C without
derating
Storage Temperature ---20 to +70˚C (prolonged storage above 40˚C
will cause rapid battery self-discharge)
Relative Humidity (operating and
storage)
95% maximum noncondensing
Acoustical Noise 75 dBA at a 1m distance
EMI Supression Meets FCC Part 15 for class A devices
Electrostatic Discharge (ESD)
Immunity
Meets IEC 801---2 specifications. Withstands up
to 25 kV without damage and with no
disturbance or adverse effect to the critical load.
Battery Specifications
These specifications are for batteries supplied by the customer. Refer to Battery
Data section for more information.
Nominal Battery String
Voltage
120 VDC (60 cells)
Float Charging 2.25 VDC per cell
(135 VDC based on 60 cells)
Initialize Charge 150 VDC, when inverter DC link set to 572 VAC
Battery Charge Current
Limit
Limited to 35% of full plus 6 Kw, regardless of actual load
on inverter