The classification 4 7 7 0 1 4 1 14 means: A door hinge for (4) very heavy usage, which has undergone endurance testing of (7) 200,000 cycles, for a door with dimensions of up to (7*) 160 kg, not suited for (0) fire and smoke protection, possesses a (4) corrosion resistance of 240 h and can be used on (1) intrusion-resistant doors.
*) In addition to that, testing was conducted based on 20 cycles with 320kg and 5 cycles with 480kg and successfully completed in accordance with EN 1935. The product verifiably withstands a shear load of at least 15.0 kN.