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3.4. Electrical Installation
The Ascend Battery Charger is designed to be permanently connected to an appropriately rated single
phase, AC mains and battery and DC load circuits. Wiring used must be sized appropriately for the
charger input current and must be selected to meet any applicable local codes (reference
Table 1 for recommended wire sizes and circuit breaker ratings). Use copper conductors only.
Model
Breaker
ASC-120-0020-
ASC-120-0040-
ASC-120-0060-
ASC-120-0080-
ASC-120-0100-
The wire size is based upon the National Electric Code Article 310-16 copper conductor assuming 90°C
(194°F) wire, maximum wire length of 250 feet and 40°C (104°F) ambient temperature.
DC Wires should be sized to minimize voltage drop. The wire size will depend upon your installation. It
is recommended that the AC and DC conductors are in separate conduit to reduce noise coupling
between them.
Power terminal connections are located on the top right of the enclosure, reference Figure 2: Power
Terminal Location.
Table 1: Input/Output Wire Sizes
Max
Minimum Input
Input
Input
current
AWG
20
14.8
40
29.5
70
44.3
80
59.1
100
73.9
Figure 2: Power Terminal Location
Ascend Single Phase Charger Operation Manual
Output
Wire size
Breaker
mm
2
14
2.5
25
10
6
50
8
10
80
6
16
100
4
25
125
11
Minimum Output
Wire size
AWG
mm
2
10
6
8
10
4
25
2
35
1
50
95-100167 Rev A
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