Product manual

Installation instructions, Battery power unit
Technical Product Manual - DCT1800-GAP
TD 92093 (1/LZBNB 103 108 R4D) / 2006-03-09/ Ver.C
© 2006
31
Fig. 19 Battery power unit
+±
±+
TRE 990 1 19/200 Grey cable Red cable
NABCD
F1 F2
N:
230 V mains input
A: −48 Vdc output for charging the
batteries
B:
alarm relay output. The contact
closes when no AC power is
supplied to the PSU. Max. contact
ratings: 1A, 60 V A.
C, D:
−48 vdc outputs for feeding the
modular cabinets.
F1, F2: fuses for the C and D outputs.
TRE 990 1 12/3000
to alarm device. For 48 V
alarm output see figure 6-8
TRE 990 1 13/850
to modular cabinet
TRE 990 1 13/850
to second modular
cabinet (if applicable)
TRE 990 1 17/900
Circuit breaker
Up: batteries connected
Down: batteries disconnected
021