Contact protection cover, universN, 450x500mm, for NH3 isolator on M-plate. Replacement item, for retrofitting in a low-voltage distribution up to 1600A, rated voltage 3AC 690 V /50Hz. Sealable contact protection covers as standard, reinforced using an internal gas pressure process with four quick-release bolts each. Mark approval in accordance with DIN EN 61 439 -1 and - 2 and -3 (VDE 0660 Part 600 -1 and -2 and -3), dimension standard: DIN 43 870.
