Installation Instructions
Table Of Contents
- Power Module PM230, IP20 / Push-through technology (PT)
- Legal information - Warning notice system
- Table of contents
- 1 Changes in this manual
- 2 Fundamental safety instructions
- 3 Introduction
- 4 Installing/mounting
- 5 Connecting
- 6 Service and maintenance
- 7 Technical specifications
- 7.1 Overload capability of the inverter
- 7.2 Cable cross-sections and tightening torques
- 7.3 Electromagnetic compatibility - overview
- 7.4 Ambient conditions
- 7.5 General technical data
- 7.6 Detailed technical data
- 7.7 Restrictions for special ambient conditions
- 7.8 Electromagnetic compatibility of variable-speed drives
- 8 Spare parts and accessories
- A Appendix
- Index

5.1.3 IT system
In an IT line system, all of the conductors are
insulated with respect to the PE protective
conductor – or connected to the PE protective
conductor through an impedance.
There are IT systems with and without transfer
of the neutral conductor N.
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Inverter operated on an IT line system
● Inverters with integrated line filter:
– Operation on IT line systems not permissible.
● Inverter without line filter:
– Operation on all IT line systems permissible.
Behavior of the inverter when a ground fault occurs
In some instances, even for a ground fault, the inverter should still remain functional. In cases
such as these, you must install an output reactor. This prevents an overcurrent trip or damage
to the drive.
Connecting
5.1 Permissible line supplies
Power Module PM230, IP20 / Push-through technology (PT)
Hardware Installation Manual, 08/2016, A5E34331322B AB 43