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Type B rcd availability

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

Parents
  • Depending on the depth of pockets

    Schrack 100mA 4 Pole B type RCD looks like it might do the right sort of thing  also available in ‘bigger’ current and price tag . I've not used one - things a bit like it but not that.

    Why does the submain need 100mA protection - is the supply TT and it is armoured ? If soft cable I'd have expected 30mA or nothing.

    Do beware of   ‘B type’  RCBOs - the ‘B’ refers to the thermal MCB like part , the RCD is usually like an A or AC, so might be ‘blinded’ by DC.

    I assume you have checked with the makers that the B type is really what is needed given the eye-watering costs, you do not want to over specify.

    Mike.

Reply
  • Depending on the depth of pockets

    Schrack 100mA 4 Pole B type RCD looks like it might do the right sort of thing  also available in ‘bigger’ current and price tag . I've not used one - things a bit like it but not that.

    Why does the submain need 100mA protection - is the supply TT and it is armoured ? If soft cable I'd have expected 30mA or nothing.

    Do beware of   ‘B type’  RCBOs - the ‘B’ refers to the thermal MCB like part , the RCD is usually like an A or AC, so might be ‘blinded’ by DC.

    I assume you have checked with the makers that the B type is really what is needed given the eye-watering costs, you do not want to over specify.

    Mike.

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