In the 77 Series ZKTeco features a door lock intended to be fitted to safety and emergency doors. Its internal construction allows unlocking under pressures of up to 450 kg, according to certificate NF_S_61-937 with number CET0100362. It is also certified EN 14846. Additionally, it incorporates a diode that prevents electronic interference and extends the life of the coil.
Opening with a resistance pressure of up to 450 kg