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

5.1.2 TT line system
In a TT line system, the transformer grounding
and the installation grounding are independ‐
ent of one another.
There are TT line supplies where the neutral
conductor N is either transferred – or not.
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([DPSOH 7UDQVIHURI1JURXQGHGQHXWUDO
SRLQW
/
/
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Inverter operated on a TT line system
● Inverter with integrated or external line filter:
– Operation on TT line systems with grounded neutral point permissible.
– Operation on TT line systems without grounded neutral point not permissible.
● Inverter without line filter:
– Operation on all TT line systems permissible.
● For installations in compliance with IEC, operation on a TT line system is permissible. For
installations in compliance with UL, operation on a TT line system is not permissible.
Connecting
5.1 Permissible line supplies
Power Module PM230, IP20 / Push-through technology (PT)
42 Hardware Installation Manual, 08/2016, A5E34331322B AB