Inovance MD500

3 Installation and Wiring
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2. Main Circuit Cable Selection
Inovance recommends symmetrical shielded cables as the main circuit cable, which can reduce electromagnet-
ic radiation of the entire conductive system compared with four-conductor cables.
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Recommended power cable: symmetrical shielded cable
PE
PE conductor
and shield
Shield
Shield
PE
Figure 3-30 Recommended power cable
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Non-recommended power cable
PE
Shield
Figure 3-31 Non-recommended power cable
3. Power input R, S, T
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There are no phase sequence requirements for three-phase cable connections.
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Specication and installation of all external power cables must comply with local safety regulations and rel-
evant IEC standards.
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Refer to 3.2.3 Main Circuit Terminals and Dimensions in MD500 Series General-Purpose AC Drive User
Manual for recommendations and copper conductor dimensions.
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Install lter close to power input side of the AC drive with a cable shorter than 30 cm. Connect the ground
terminal of the lter and the ground terminal of the drive together to the main grounding terminal of the cab-
inet.
Conductive surface
Figure 3-32 Mount the lter