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Type B rcd availability

Baldyhugh

Hi

would anyone know of a supplier where I could get my hands on a 100A 100ma type B double pole rcd? I need one to supply three variable speed inverters. I’ve done the usual google searches but can only find 30ma ones and only rated up to 63A. 
 

Thanks in advance

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    It is probably correct Andy although not very clear. I don't like the term “blinded” because that is not what happens in many cases, although the trip sensitivity may change. Type B is supposed to remain unchanged by a DC current imbalance or DC from one conductor to Earth, which causes the imbalance between the two live conductors. I have a lot of test results from this, every make is different! I have not tested a type B because they cost a lot and are a bit like hens' teeth even to borrow.

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    It is probably correct Andy although not very clear. I don't like the term “blinded” because that is not what happens in many cases, although the trip sensitivity may change. Type B is supposed to remain unchanged by a DC current imbalance or DC from one conductor to Earth, which causes the imbalance between the two live conductors. I have a lot of test results from this, every make is different! I have not tested a type B because they cost a lot and are a bit like hens' teeth even to borrow.

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