12(12)
Datum/Date
Rev
Dokumentnr/Documentnr
Uppgjord/Prepared
Dokansv/Godkänd - Doc respons/Approved Kontr/Checked
Tillhör/Referens-File/Reference
98-11-20 G
1531-BML 351 013 Uen
Installation instruction
Faktaansvarig - Subject responsible
BKB 201 002
This larger battery back up unit housed in a separate cabinet with batteries rated with 15Ah
has the charger BML 351 013/x mounted at the rear of the cabinet. The back up times with three
current loads are shown below.
A system with 116 DBC 203 telephones uses 4.5 Amp (3.5 Amp) from the battery.
A system with 83 DBC 203 telephones uses 3.5 Amp (2.5 Amp) from the battery.
A system with 50 DBC 203 telephones uses 2.5 Amp (1.5 Amp) from the battery.
48 V
47 V
46 V
45 V
44 V
0
1.0
2.0 3.0
4.0 5.0 6.0
7.0
Hours
Battery
voltage
4.5A
2.5A
3.5A
Battery low voltage limit
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