The D-Tronic PCB is an intelligent signalling card used in Lock and Call Bell units.
The PCB is fitted with an Integrated Circuit (IC) and is factory set to be used either as a Lock or a Call bell card.
Material mode – a safety feature only allows 4/1, 4/2, 1, 2 and long ring.
Inhibit Circuit – built in safety feature prevents over-ringing of signals.
Millisecond Spacing – PCB are factory pre-set to the industry standard. 
Switch off facility – designed to ensure that the signal rung is completed.

D-Tronic PC Board

  • It should be noted that delivery periods vary between products and is subject to present workload, prior sales and availability of raw materials from our suppliers.