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Re: SPDT

Subject: Re: SPDT
From: "alarman" <alarman2000@xxxxxxxxx>
Date: Tue, 8 Nov 2005 17:14:43 -0800
Newsgroups: alt.security.alarms
References: <MSbcf.67755$rE2.58750@xxxxxxxx>

SPDT means single pole double throw. It switches current either to one
circuit, or a second circuit. An ordinary contact is single pole single
throw, (on/off).

               common
0<---------0                 0    SPDT switch in position A

               common
0                0--------->0     SPDT switch in position B

js



"Steven" <Stevies3@xxxxxxx> wrote in message
news:MSbcf.67755$rE2.58750@xxxxxxxxxxx
> Hi,
>  What does "SPDT" refer to? Sentrol makes a magnet switch with no "SPDT"
I
> can't figure it out.  Steven
>
>

References:
- SPDT
  - From: Steven

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