DC Backup UPS
Application, Maintenance and Installation Manual
Revision 1
Battery life depends on battery type, actual use and average temperature. Long life batteries will last 10
years, whilst standard batteries will last 3-5 years. Battery sizes and types are given below:
UPS capacity (batt weight each)
Battery dimensions (HxWxD)
Battery types
Powersonic/Powerblock
17Amp-hour (6.3kg)
19 inch rack x 2U x 170
PS12170 / PB12170
40Amp-hour (14kg)
19 inch rack x 4U x 170
PS12400 /PB12380
8
Specification
Design type
DC UPS with integral charger and electronic changeover.
AC input
Voltage
240VAC Nominal
Rated Current
See Below
AC Fusing
To be provided external to unit
IP rating
IP20
DC Voltage
12VDC Nominal (9V to 14) Output is floating from earth
Current
The current ratings of different models given below
Charger
Type
Constant voltage (temp. compensated)
Recharge time
10 hours
Physical
Model
Wide
High
Deep
Weight*
7021 17Ah
19 inch rack
2U
170mm
12 kg
7025 40Ah
19 inch rack
4U
170mm
24 kg
Thermal
Natural convection, 55C max ambient
Allow 100mm around sides
Monitoring
For details see table
Local LEDs
Charger OK (DC supply is OK)
DC Available
Battery low alarm
Contacts for
Charger OK (AC on and charger OK)
Remote alarm
Battery voltage low when battery is 10VDC
Stays ON until cut-off (9VDC) is reached
(contacts rated 50VDC/1A, 120VAC/0.5A)
EMC Compliance
Radiated
AS1044:1995 (amdts 1,2)
C-tick approved
18/10/06
7021 and 7025_manual1.doc
Page 7 of 7
