Cable Sizes Lewmar recommend the use of the following cable sizes.
System Distance from Cable Size Wire (USA)
Battery to Motor mm
2
12v 1m – 10m 35 1
10m – 15m 50 1/0
15m – 20m 70 2/0
24V 1m – 10m 25 3
10m – 15m 35 1
15m – 20m 50 1/0
Note: The windlass performance is directly related to the
cable size and its length. A voltage drop of more than 2 volts
will increase the amps required to power the motor and will
effect the performance of the unit. In all cases this will cause
the motor to overheat and in some to burn out. We
recommend the use of PVC or Butyl Rubber Insulated cable.
A larger cable will give increased performance.
The thermal cutout on the motor must be connected to the
switch wiring to protect the motor from overheating. The
Motor Warranty will be invalidated if the thermal cutout
is not connected as shown in the wiring diagrams
supplied.
Circuit Breaker The windlass circuit must be protected by a “Slow Blow”
Circuit Breaker fitted as shown in the wiring diagram
Model System Circuit Breaker Value
(Slow Blow)
3500 12v 225 Amp
(68000628)
3500 24v 160 Amp
(68000627)
Isolator Switch An isolator switch (ON/OFF) switch must be used to isolate
the unit when not in use, or when carrying out routine
maintenance to the unit.
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