Connect 2nd siren box | on ElectriciansForums

Discuss Connect 2nd siren box in the UK Electrical Forum area at ElectriciansForums.net

R

Rudie

Hi,

I have 1 front siren box and am considering connecting a second siren box at the rear. Can i feed a wire from the current siren box terminals to feed the new 2nd siren box?

Thanks.
 
I think using 2 bell boxes on some panles means you have to use the battery in the bells as it draws to much current from panel battery.
Jumper pins in bell are altered to suit.
 
You will need to identify (+ hold off) and (bell - trig) these cables are wired in parallel with the original bell box. (- hold off) and (tamp Return) will be wired in series with original bell box wiring, if you have the make of bell boxes it will help us to give you terminal connections
 
Some alarm panels with sirens have transistor outputs & if you have 2 sirens in parallel, the impedance is too low & you will destroy the transistor. If it is this type, the minimum impedance should be marked somewhere in t he the box.
 
Most panels can handle 500mA + and the panel transistors are only switching bell transistors and can handle 2 bells.
Quick circuit drawing to explain a bit better
[ElectriciansForums.net] Connect 2nd siren box
 
Hi guys,

thanks for all the replies. The one connected now is a Texecom odessey. The one i have spare (which i want to use at the rear) looks like the Raysil box on this link (will get the name of the board tonight) :

Kent « Burglar Alarm Britain

Yes cunnishaun, I want to use the 2nd box to alert neighnours at rear preferably by sound and led.
 

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