EN 50425This description is for standard: EN 50425This clause of Part 1 applies with the following modifications: Replacement of the first paragraph: This collateral standard applies to fireman's swit
EN 50428This description is for standard: EN 50428This clause of Part 2-1 is replaced by the following: This collateral standard applies to HBES switches with a working voltage not exceeding 250 V a.c
EN 61020-1This description is for standard: EN 61020-1IEC 61020-1:2009 provides consistency in detail specifications for electromechanical switches by specifying the terminology, symbols, test methods
EN 50550This description is for standard: EN 50550This European Standard applies to power frequency overvoltage protection devices (hereafter referred to as “POP”) for household and similar uses, with