SIPLUS PSU (6DL3500-8BA)
SIPLUS PSU Power Supply Unit
A5E00854207E
16 of 30
Copyright (C) Siemens AG 2018
V 8.00 released
2018-05-03
5.3 Feeding
Nominal voltage L1, L2
Permitted ripple
DC 24 V according to DIN IEC 60038
4
±3.6 V (corresponds ±15 % of the nom. voltage)
Static limits (incl. ripple)
Lower limit
Upper limit
20 V
30 V
Dynamic limits (incl. ripple)
Upper limit
35 V, duration ≤ 500 ms, recovery time ≥ 50 s
Max. permitted constant current through the
feeder diodes
60 A, notice the derating in chapter 6.1
Power loss complete device
(at 30 A current consumption)
5
typ. 26 W
Line terminal connection
screw terminals
Feeder terminals L1, L2, 2 x M
X101, X102, X103, X104
min. wire cross-section 25 mm
2
or AWG 6
max. wire cross-section 50 mm
2
or AWG 0
dismantling length 24 mm
tightening torque 6 N m – 8 N m
Branch terminals 2 x M, L1, L2, L1/L2
X105, X106, X107, X108, X109
min. wire cross-section 4 mm
2
or AWG 12
max. wire cross-section 16 mm
2
or AWG 4
dismantling length 11 mm
tightening torque 1.5 N m -1.8 N m
Branch terminal L1/L2, X109
This terminal may be used exclusively for test
purposes according to chapter 8.3 “Checking of
the Feeder Diodes”
Figure 6: Feeding and branch terminals
Figure 7: Feeding circuit
4
External supply voltage is to be generated as potential free Protective Extra Low Voltage PELV (according to
EN 50178).
5
Typical value for project planning when supplying four FUM sub racks with 7.5 A current consumption each
