Elevator Intercom System NBT Serie NKT Serie Options:NBT Whole Kit Customer can choose vvvF control

Customer can choose vvvF control to control running speed

The alternative type is Made in China

Although the actual weight of the light curtain is only 2

DAA24591H4

Input Voltage: DC24V

Elevator Intercom System NBT Serie NKT Serie Options:NBT Whole Kit Customer can choose vvvF controlNBT 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