8.8
Power supply
8.8.1
Connection to various mains supply networks
This page illustrates all the possible connection variations for different electrical supply networks.
An isolating transformer is always required for 400...480V mains networks without
earth (ground) and for networks with asymmetrical earth (ground).
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SERVOSTAR
®
640/670 Instructions Manual
Electrical Installation
12/2010
Kollmorgen
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208V with 60Hz only
230...480V with 50Hz or 60Hz