
Electrical Installation
6
6 Electrical Installation
Electrical work on the storage system and electrical distributor
Danger to life due to electrocution!
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Switch off the storage system to electrically isolate it (see 8.2 – p. 62).
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Disconnect the relevant electrical circuits.
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Secure against anyone switching on the device again.
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Wait five minutes so the capacitors can discharge.
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Check that the device is disconnected from the power supply.
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Only licensed electricians are permitted to carry out electrical work.
Observe the maximum line lengths
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None of the lines connected to the storage system (electrical power, Ethernet
line, Modbus line, other data lines, etc.) are allowed to exceed a maximum length
of 30 m.
6.1 Working on the electrical distributor
Touch voltage in the event of fault
Danger to life due to electrocution!
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Install residual current device (RCD | Type B | I∆n = 30 mA) upstream of the
storage system.
6.1.1 Placing components in the distributor
Several components must be placed in the electrical distributor for the electrical
connection of the storage system. Approx. 25 cm of free space on a mounting rail
is required for placing the components.
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Place the following components in the electrical distributor:
KD-421 | Part no. 22136 | EN | X03
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CAUTION
DANGER
WARNING
Notice
CAUTION
DANGER
WARNING
Notice
CAUTION
DANGER
WARNING
Notice
Figure 20: Components to be placed in the distributor
T
1 2 3
A1 A2
N L1 L2 L3
1
2
3
4