Elevator master key (0-1)
Elevator master key (0-1) By cutting off the main switch (0-1) of the elevator, the following items should not be turned off: 1-Lighting and ventilation of the elevator cabin (fan) 2-Socket installed on the ceiling of the cabin 3-Engine room socket 4-Engine room lighting 5-Elevator shaft lighting 6-News alarm (alarm) Our specialty is to elevate […]