Liebert 7200 Series - INTERMEDIATE DC CIRCUIT; STATIC SWITCH CIRCUIT

7200 Series UPS User Manual Chapter 8 - 1+1 Parallel System
Single Module and 1+1 Parallel System Specification Single Module
document in response to "powersure ups"
Page 8-3
Issue 6
(03/98)
INTERMEDIATE DC CIRCUIT UNITS Model kVA Rating
30 40 60
Voltage limits of inverter operation for
380V min.
max.
V d.c.
320
460
Voltage limits of inverter operation for
400V min.
max.
V d.c.
330
475
Voltage limits of inverter operation for
415V min.
max.
V d.c.
340
490
Number of lead-acid cells UPS 380 V
UPS 400 V
UPS 415 V
Nº 192
198
204
Float charge voltage UPS 380 V
UPS 400 V
UPS 415 V
V d.c. 432
446
459
Boost charge voltage UPS 380 V
UPS 400 V
UPS 415 V
V d.c. 460
475
490
End of discharge voltage UPS 380 V
UPS 400 V
UPS 415 V
V d.c. 320
330
340
Absolute maximum voltage
(manual charge) UPS 380 V
UPS 400 V
UPS 415 V
V d.c.
480
495
510
Rectifier output current rating A 75 100 150
Voltage stability with rectifier —
± 1%
Residual alternating voltage —
≤ 1%
Battery charging cycle — Characteristics to DIN 41772 I-U, boost-to-floating charge
switching,, with current measuring criterion plus control of charging
time
Maximum boost charge duration hours 1 - 15 hours ( selectable)
Charging current A 3 - 15 5 - 20 6 - 30
Inverter power at rated load kW 25,7 34,1 50,8
Input current to inverter at minimum
voltage
A
78 103 154
Efficiency of inverter @ 50% load % 93,8 94,4 94,8
Efficiency of inverter @ 100% load % 93,3 93,8 94,4
STATIC SWITCH CIRCUIT UNITS Model kVA Rating
30 40 60
Overload from standby supply A 10 times the rated current for 100 ms
Current rating of neutral cable A 1,4 time the rated current.