Dometic PSB12-40 Instructions De Montage Et De Service page 17

Determining the cable cross-section
The cable cross-section of the power cables depends on the model and on the cable length.
Table 4: Cable cross-section
Model
I <2 m
Input
PSB12-40 16 mm²
PSB12-80 35 mm²
PSB24-40 16 mm²
PSB24-60 35 mm²
PSB12/24-20 25 mm²
PSB12/24-40 35 mm²
PSB24/12-40 16 mm²
PSB24/12-80 35 mm²
Select power cables of the suitable cross-section.
Connecting the charger
WARNING! Electrocution hazard
Observe the recommended cable crosssections, cable lengths and fuse.
CAUTION! Fire hazard
Place the fuses near the batteries to protect the charger from short circuits and possible burning.
NOTICE! Damage hazard
Do not reverse the polarity.
Observe the following instructions when connecting the charger:
• Select the appropriate connection variant,
Connection variant
• Use suitable measuring instruments:
• Multimeter with DC voltage measurement, 200 V or autoscale
• Amperometric clamp with direct measurement (100 A scale or higher)
• Always connect the charger before connecting the batteries.
• Do not use ferrules. Strip the cable ends as follows:
• Signal cable 12 mm (0.5 mm² ... 1.5 mm²)
• Charging cable 15 mm
fig.  on page 3
1. Connect the negative pole of the starting battery to
Output
16 mm²
35 mm²
16 mm²
25 mm²
16 mm²
16 mm²
16 mm²
35 mm²
Connection variant
D, Connection variant E.
2 m < l < 4 m
Input Output
25 mm² 25 mm²
50 mm² 50 mm²
25 mm² 25 mm²
50 mm² 35 mm²
35 mm² 16 mm²
50 mm² 25 mm²
25 mm² 25 mm²
50 mm² 50 mm²
A, Connection variant
GND
.
l > 4 m
Input Output
35 mm² 35 mm²
100 mm² 100 mm²
35 mm² 35 mm²
100 mm² 50 mm²
100 mm² 25 mm²
100 mm² 35 mm²
35 mm² 35 mm²
100 mm² 100 mm²
B, Connection variant
EN
C,
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