Product Description

Limited Internal
PRODUCT DESCRIPTION 24 ( 27 )
EAB/SEMCON Staffan Paulusson EN/LZT 720 0491 Uen
EAB/RKW Lena Jonsson Borg 2004-12-28 R1A
Prepared (also subject responsible if other) No
Approved Checked Date Rev Reference
E
7.1 Power Supply
This section describes the AC mains power supply, the external earth-fault
circuit breakers, and the mains fuses.
AC Mains Supply Voltage
Single-phase, two-phase, or three-phase AC can be used.
Table 13 Power Parameters
Nominal Voltage 200 250 V AC
Operating Voltage
180 275 V AC
Nominal Frequency
50 60 Hz
Operating Frequency
45 65 Hz
Maximum Inrush Current (Total, All
Phases)
60 A for 10 ms (typical duration)
PSU Capacity
3 x 1200 W (3600 W total)
BFU
1 x 200 A
External Earth-fault Circuit Breakers
If external earth-fault (ground-fault) circuit breakers are used, then the
recommended minimum trip value is 100 mA.
Mains Fuses
Table 14 Mains Fuses Recommendation
Minimum for Safe
Function
Recommended for
Maximum Selectivity
Maximum Allowed Fuse
Rating
16 A
(1)
/35A 20 A
(1)
/35A
63 A
(1) High line 180 V AC three-phase/single phase.
7.2 Battery Backup
Battery backup is used to power the RBS 2107 during mains failure and also to
protect the RBS 2107 from short interruptions in the mains supply.
Internal Battery Backup
The following battery backup levels can be achieved in the cabinet:
Full: 4-hour backup time
Half: 2.5-hour backup time