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Installation
Hazard due to electric shock
Before installation or maintenance work can begin, the system's main switch must be
switched off and measures taken to prevent it being switched on again. If this instruction is
not observed, touching live parts can result in death or serious injury.
5.1
Line-side connection
The SITOP PSU400M power supply is designed for connection to a 600 V DC link with an
operating voltage range from 200 (300) - 900 V DC.
Figure 5-1
The line supply is connected via terminals 600 V DC "+" and "-" and PE (see Figure 5-1 Line-
side connection (Page 27)) and must be implemented according to IEC 60364, EN 50178
and EN 61800-5-1. A protective device (miniature circuit breaker or circuit breaker) and a
disconnection unit for the power supply must be provided.
The device is to be connected to the inverter in parallel after the DC disconnector.
In other applications, a surge arrester and/or an EMC filter may have to be provided.
NOTICE
Hot plug in and hot plug out are not permissible!
Maximum voltage rate of rise of the supply voltage: 1 V/μs
SITOP PSU400M
Manual, 05.2018, C98130-A7601-A1-5-7629
WARNING
Line-side connection
5
27
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