ABB KV 904 4 DDA64-BLO.diff.80-100a 30ma S2 4P

The KV 904 4 differential block is comparable to the magnetothermic switches of the 80-100A S290 series (only in curve C).
They are used to achieve the magnetothermic differential protection function.
DDA blocks comply with the CEI EN 61009 standard.

Prestalia e-commerce solutions.
ABB KV 904 4 DDA64-BLO.diff.80-100a 30ma S2 4P The KV 904 4 differential block is comparable to the magnetothermic switches of the 80-100A S290 series (only in curve C). They are used to achieve the magnetothermic differential protection function. DDA blocks comply with the CEI EN 61009 standard. Prestalia e-commerce solutions.