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Wiring a siren to a relay on the 8 channel ultimate mini
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shockwave199
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July 31, 2013 - 4:59 pm
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I have a simple siren

 

psc=1

 

I’m gonna hook it up the the relay port on the dvr to trigger remotely when needed, via the NO/COM hookups. Is it okay to use a 12v 1a single power supply? I’m not clear if a 1A is okay, or should it be less like 12v 500ma? Thanks. 

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Techpro Security
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July 31, 2013 - 5:06 pm
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Hello, 

 

check out this link. It shows how we have connect a siren to our DVR. 

 

Thank

 

 

http://support.techprosecurity…..1htzl8zlgx

 

 

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shockwave199
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July 31, 2013 - 5:15 pm
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Thanks for that but it doesn’t specify beyond a 12v multi adapter about the amperage. I just want to make sure that using a 12v 1A single adapter will not overload the relay in the dvr. I think it should be fine but I want to make sure.

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July 31, 2013 - 6:01 pm
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1Am is the max you can put through it. 

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shockwave199
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July 31, 2013 - 7:24 pm
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Thank you. I think I’ll go with a 12v 500ma for this short run. For a much longer run, next, I’ll use a 1A.

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