6 electrical installation, 1 important notes, Electrical installation – Lenze SDSGS User Manual
Page 30: Important notes, 6electrical installation

Electrical installation
Important notes
6
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30
BA 13.0011−EN 1.0
6
Electrical installation
6.1
Important notes
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Danger!
Hazardous voltage on the power connections even when disconnected from
mains: residual voltage >60 V!
Before working on the power connections, always disconnect the drive
component from the mains and wait until the motor is at standstill.
Verify safe isolation from supply!
(
Stop!
Electrical connections must be carried out in accordance with the national and
regional regulations!
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The connection must ensure a permanent and safe electrical supply, i.e.
– no loose wire ends,
– use assigned cable end fittings,
– establish a safe PE conductor connection,
– Tighten the plug−in connector to the limit stop.
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The smallest air gaps between uncoated, live parts and against earth must not fall
below the following values:
Minimum requirements for basic
insulation according to IEC/EN
60664−1 (CE)
Higher requirements for UL design
Motor diameter
3.87 mm
6.4 mm
< 178 mm
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All unused cable entries must be sealed against dust and water.
Voltage supply
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Inverter−optimised motors
– must be supplied by inverters.
– connect the encoders mounted to the motor with the corresponding connections
of the inverter.
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Holding brake (as option)
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Follow the Operating Instructions for the inverter used to connect it.