For every 12mm of internal diameter will accept up to 50mm in cable size. For example a 21mm internal diameter will take roughly a 75mm cable.
See all of our Summation stock here.
To enquire about pricing, please take note of the order number in blue, and quote this when enquiring.
(SUMCT + Ampage)
Din rail mounted summation current transformers for the summing of several different loads across multiple systems.