Elevator Monitor Room Master Intercom NKT/NBT12(1-1)12A Options:NKT12(1-1)12A please choose the corresponding option

please choose the corresponding option

please ensure that the equipment is installed in a working environment of -10°C to 50°C

Product total length: 1437mm

which greatly improves the overall stability and service life

Elevator Monitor Room Master Intercom NKT/NBT12(1-1)12A Options:NKT12(1-1)12A please choose the corresponding optionNKT NBT12(1 1)12A can control at most 12 elevators. NBT Serie is for two wire system, and NKT Serie is for four wire system. NBT serie intercom products are not compatible for NKT serie. The NKT serie (four wire system) products need to be connected to electrical wires, and the signal is better.