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Can the Vigirex be used for the VSD application?

Vigirex is a Type A Earth Leakage Relay (RCD). We strongly recommend to use a, 

1) Type A RCD for Single Phase drives (VSD) connected to Phase and to the Neutral conductor. 
2) Type B RCD for Three phas devices and the Single Phase devices not connected to Phase and Neutral conductor. 

So Vigirex can not be used for Three Phase VSD's but can be used for Single Phase , Phase and to the Neutral conductor application. 

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