The classification 4 7 5 0 1 4 1 12 means:

A hinge for very heavy (4) usage, which was tested during continuous use with 200,000 (7) cycles, with 100 kg (5*), not suited for (0) fire protection, fifth digit always (1) for safety of use, highest-class corrosion resistance with 240h (4), can be used for intrusion-resistant doors (1) and has the hinge class (12).

*) In addition to that, testing was conducted based on 20 cycles with 200kg and 5 cycles with 300kg and successfully completed in accordance with EN 1935.