6
*When fitting the TDR02021 to a caravan, the cable will need to be connected to the towing
vehicle with a suitable heavy duty connector such as a 50A “Anderson” connector or similar.
RECOMMENDED
MINIMUM
CABLE LENGTH / TWIN CORE
0 - 10 METRES 6 B&S/6AWG* amperage control
OVER 10 METRES Consult an auto electrician
SPECIFICATIONS
SPECIFICATIONS
OUTPUT 20A
INPUT FUSE RATING Minimum 30A
OUTPUT FUSE RATING Minimum 30A
VEHICLE INPUT VOLTAGE
RANGE
12.2V - 26V
If voltage increases over 26V the Thunder DC-DC
will shut off, reset will be needed
MIN AND MAXIMUM
CHARGING VOLTAGES
13.1V - 15.2V
Stops charging when alternator or vehicle battery
below 12.2V
LITHIUM CHARGE VOLTAGES 14.2V Bulk, 13.2V Float
SOLAR INPUT VOLTAGE
RANGE
13V-50V
MAXIMUM SOLAR WATT
INPUT
300W
Exceeding 300W of solar will damage the charger
CHARGING STYLE 8 stage from vehicle and 3 stage from solar
OPERATING TEMPERATURE 0°C to 90°C (current de-rates after 90°)
IP RATING IP67
FLOAT VOLTAGE 13.8V
STANDBY CURRENT 10mA
BATTERY RANGE 18 to 250Ah
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