TB7300 Installation and Operation Manual Installation 71
© Tait International Limited December 2022
The DC input leads should be of a suitable gauge to ensure no more than a
3% voltage drop (0.4V @ 13.8V) at maximum load over the required
length of lead. Note the maximum conductor size for the screw connector
is 4mm² or 12AWG.
Terminate the DC input leads with a suitable crimp connector for attaching
to the M4 screws of the DC power connector.
5.7.3 Connecting AC Power
The AC power input is universal and will run from either 120V or
230VAC (nominal) 50/60Hz.
Power is supplied via the IEC connector at the rear.
On the AC base station, connectors
i and j (Figure 5.4) are current-
limited outputs for power auxiliary equipment, 13.5V at 1A.
Nominal
Supply Voltage
Input Voltage
Range
Circuit Breaker/
Fuse Rating
Recommended
Wire Gauge
a
a. For a length of 4.6m (15ft) at the expected maximum current.
13.8VDC 11.8VDC to 16.0VDC 20A 12AWG / 4mm
a
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