[Message Prev][Message Next][Thread Prev][Thread Next][Message Index][Thread Index]
Re: Alarm system transformer + power supply (would both go bad at once?)
On Mon, 25 Nov 2013 20:16:21 -0700, Tony Hwang wrote:
> You should. That Omron relay contats can be open or closed.
> Is it NO or NC relay? Is the coil good? Have you metered them out?
> What is the findings? Did you looked up the specs. of that very common
> relay?
Now that the alarm system is (almost) fixed, I can spend the effort
to look more closely at this D135A battery protection circuit.
resource.boschsecurity.com/documents/Data_sheet_enUS_2548187915.pdf
resource.boschsecurity.com/documents/Installation_Guide_enUS_2548185099.pdf
Even though nobody will tell you a price, I found this Bosch price list
on the web:
http://www.industry.usa.siemens.com/topics/us/en/btus/CommonwealthMA/Documents/bosch-intrusion-ifas-msrp-price-list-3-1-13.xlsx
The D135A retails for $22.56 according to that spreadsheet.
alt.security.alarms Main Index |
alt.security.alarms Thread Index |
alt.security.alarms Home |
Archives Home