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 battery charger
WARNING! Electrocution hazard
Observe the recommended cable cross sections, cable lengths and fuse.
Only PSB12-40, PSB12-80, PSB24-40, and PSB24-60: Connect an external 60 A fuse to the
AUX connection.
Only PSB12/24-20, PSB12/24-40, PSB24/12-40, and PSB24/12-80: Do not insert an external
fuse to the AUX connection.
The input and output voltage must not exceed 35 V .
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,
page 15, and
Connection variant C
• 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
2 m < l < 4 m
Output
Input
16 mm²
25 mm²
35 mm²
50 mm²
16 mm²
25 mm²
25 mm²
50 mm²
16 mm²
35 mm²
16 mm²
50 mm²
16 mm²
25 mm²
35 mm²
50 mm²
Connection variant A
on page 16.
PSB12-40-24-12-80 EN
l > 4 m
Output
Input
25 mm²
35 mm²
50 mm²
100 mm²
25 mm²
35 mm²
35 mm²
100 mm²
16 mm²
100 mm²
25 mm²
100 mm²
25 mm²
35 mm²
50 mm²
100 mm²
on page 15,
Connection variant B
Output
35 mm²
100 mm²
35 mm²
50 mm²
25 mm²
35 mm²
35 mm²
100 mm²
on
13