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Extending Charge Device Location (AC or Solar)
If charge device cable needs to be extended to reach the charge
controller
use “Sentry Charge Cable Extension Kit” Part Number 630050
(see figure). The kit contains junction box, DC plug pigtails and wire
nuts. Use charts below to determine wire size needed for the distance
to be extended. The cable must be a 2 conductor cable, stranded wire
recommended.
Do not modify the transformer or solar panel cable, this will void the
product warranty.
1. Splice mate for the charge controller to cable end located in control box.
2. Splice mate for the charge device to cable end that connects to charge device.
The junction box provided should be used to keep external connections dry.
3. Install DC plug connection and splice into junction box.
Charge Cable Extension Cable Selection Chart
Transformer Extension Wire Size Chart
0 to 100 ft
101 to 250 ft
251 to 500 ft
501 to 750 ft
750 to 1000 ft
18 gauge wire
16 gauge wire
14 gauge wire
12 gauge wire
10 gauge wire
Solar Extension Wire Size Chart
15 to 100 feet
100 to 250 feet
250 to 500 feet
16 gauge wire
14 gauge wire
12 gauge wire
The wire used must be rated for Direct Burial use, unless in conduit. Wire ran in conduit must be rated
for outdoor use. The above Table lists the recommended wire gauge per application length. Using a
smaller gauge may impede performance or cause system to malfunction
B
Sentry Charge Cable
Extension Kit
Part Number 630050
