ABB RELL 511 Vers 2.5

I was searching on google for a RELL 511 manual and saw someone having a problem about the RELL vers 2.5 not tripping for faults....you can send me your settings of the RELL and I will have a look for you.....

I have tested about 16 RELL,s in the past three years and can possibly help you

Mike Jordaan

Greetings

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