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Re: SPDT

Subject: Re: SPDT
From: "Jim" <alarminex@xxxxxxx>
Date: 8 Nov 2005 21:27:10 -0800
Newsgroups: alt.security.alarms
References: <MSbcf.67755$rE2.58750@xxxxxxxx>

Steven wrote:
> Hi,
>  What does "SPDT" refer to? Sentrol makes a magnet switch with no "SPDT"   I
> can't figure it out.  Steven

Just in case you run into them, the same reference it made to relays
too.

SPST   Single pole single throw
SPDT   Single pole double throw
DPST   Double pole single throw
DPDT   Double pole double throw.

and obviously three pole. Four pole, etc .

References:
- SPDT
  - From: Steven

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