Setec ST20-II User Instructions page 5

ST – II Series POWER SUPPLIES
Wiring Up
Mains: This is pre cabled and fitted with AS/NZ mains plug ready for connection to internal GPO.
Ensure that the connection to the mains supply is in accordance with the national wiring rules, and
that the earth connection is installed.
Load, Battery and External DC Input Connections: Connectors are 0.8 x 6.3mm QC tabs. Use
mating QC connector suitable for cable size. Connector pin-out is shown below.
L1+
F1
L2+
F2
L3+
F3
L4+
F4
L5+
F5
VBATT+
FBATT
Fuse
Panel
+ve
terminals
Cabling sizes: DC cables must be sized to carry the maximum full load current and not exceed the
system volt drop requirements. The following cable sizes are recommended.
Current AWG
0 -10 A 18
10 - 20 A 14
20 - 30 A 10
Load 1
Load 2
Load 3
Load 4
Load 5
VBATT-
_
+
V Ext+
-ve terminals
Plus Vext+ input
mm 2
Where cables pass through any part of a metal
panel or cover, ensure that a cable gland or bush is
1.0
fitted to the hole.
3.0
5.5
Page 5 of 11
L-
CAUTION
V Ext+ must be supplied from a
L-
Fused (F Ext), external
voltage.
L-
L-
L-
To L-
F Ext
USER INSTRUCTIONS
_
To External
Voltage
+
Issue F