
3.1 Introduction
11
Option 03, Connecting Inlet Power
When wiring this power supply, make sure to first connect an earth ground wire to the terminal strip
connector labeled “G” (for ground). Positive and negative terminals are marked on the terminals
as “+” and “–”. After connecting a ground wire, connect the positive and negative leads from the
station batteries to the corresponding Option 03 terminals. See Figure 3.1.
3.1.3
Option 04, 10 Vdc to 60 Vdc ONLY, Terminal Power Strip Surge
Withstand
The power inlet connector for Option 04 is a 3-pole terminal strip and provides input surge
protection for compliance with ANSI C37.90-1 and IEC 801-4. Option 04 operates from common
low-voltage battery systems, including 12, 24, and 48 Vdc.
Figure 3.2: Option 04 Power Supply Inlet
Connector
Option 04, Connecting Inlet Power
When wiring station batteries to this power supply, make sure to first connect an earth ground
wire to the terminal strip connector labeled “G” (for ground). Positive and negative terminals are
marked on the terminals as “+” and “–”. After connecting a ground wire, connect the positive and
negative leads from the station batteries to the corresponding Option 04 terminals. See Figure 3.2.
3.1.4
Fuse Locations and Types
Use the fusing table below for identifying the correct fuse for your option power supply. Note that
the fuse is located adjacent to the terminals as depicted in Figures 3.1 and 3.2.
PS Option
Arbiter P/N
Fuse ID
Size, mm
03
FU0001816
F1AL250V
5 x 20
04
FU0001419
T2AL250V
5 x 20
Table 3.1: Fuse Chart
Replacing Fuses
To replace the fuse, first disconnect inlet power from the 1133A. Using a flat-blade screwdriver,
turn the fuse cover counter-clockwise (CCW) and it should pop outward. Replace fuse with the
same size and type.