Beta Marine Beta 50 Operator's Maintenance Manual page 21

2
25mm (4 AWG) Cable
Engine Cranking Amp
Up to Beta 45T
Up to Beta 50
Up to Beta 60
Up to Beta 115T
Beta 150
2
35mm (2 AWG) Cable
Engine Cranking Amp
Up to Beta 45T
Up to Beta 50
Up to Beta 60
Up to Beta 115T
Beta 150
2
70mm (2/0 AWG) Cable
Engine Cranking Amp
Up to Beta 45T
Up to Beta 50
Up to Beta 60
Up to Beta 115T
Beta 150
* Voltage drops for pvc insulated cables are ex table 9D1 of the IEE Wiring Regulations.
** Varies between models and builds.
The above tables are based on a maximum conductor temperature of 70°C in an ambient temperature of 30°C.
BATTERY CHARGING
For efficient charging of the batteries we recommend
setting the engine to a minimum of 1,200 rpm.
This also applies for AC generation through an inverter.
Charging below 1,200 rpm risks damage.
Cable Volt drop*
100
120
170
210/250**
333
Cable Volt drop*
100
120
170
210/250**
333
Cable Volt drop*
100
120
170
210/250**
333
Max length, both cables added together
0.00017V
0.00017V
0.00017V
0.00017V
0.00017V
Max length, both cables added together
0.00013V
0.00013V
0.00013V
0.00013V
0.00013V
Max length, both cables added together
0.00063V
0.00063V
0.00063V
0.00063V
0.00063V
21
IMPORTANT
When battery charging and/or generation AC
the engine must be run at 1200rpm
OTHERWISE DAMAGE MAY OCCUR
19
4.7m
3.9m
2.8m
Not suitable
Not suitable
6.2m
5.2m
3.6m
2.5m
2
1.8m (70mm cable preferred)
12.7m
10.5m
7.5m
5.0m
3.8m