This European Standard specifies the test method for determining the force required when engaging or releasing the hardware of a window and when commencing the movement of a casement or sash, in both opening and closing directions. It is applicable to manually operated windows. This European Standard is applicable to products of any materials.#,,#
DIN EN 12046-1:2004 history
2020DIN EN 12046-1:2020 Operating forces - Test method - Part 1: Windows; German version EN 12046-1:2020