Elevator Intercom System NBT Serie NKT Serie Options:NBT Whole Kit Input Voltage: DC24V

Input Voltage: DC24V

The optional VF drive technology yields great energv-savina

*Please note before placing an order:

Voltage: 220V

the only difference is the length of the cable

Elevator Intercom System NBT Serie NKT Serie Options:NBT Whole Kit Input Voltage: DC24VNBT 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. The whole set contains 1 Master Intercom for Monitor Room, 1 Main Intercom for Machine Room, 2 External Auxiliary Intercom, 1 Cabin Inner Intercom, 1 LED Light, 1 Power Supply and 1 Buzzer. For any installation