how many type of relay?

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megatfauzi76

Copper - Posts: 93

Joined: December 14, 2006

Location: Malaysia

Posted: August 15, 2007 at 3:58 AM / IP Logged

Hai,

What the meaning of SPDT relay? Ist the relay have terminal 85,86,30,87a,87..when we energized terminal85 & 86,terminal 30 will connet to 87...if not energized..30 willconnect to 87a...

Ist correct?

Thank You

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i am an idiot

Platinum - Posts: 13,670

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: August 17, 2007 at 7:27 PM / IP Logged

SPDT means that the relay is a Single Pole Double Throw. Yes everything you said about the relay is correct. A SPST relay is missing terminal 87A. There are also DPDT, 3PDT, and 4PDT available at Radio Shack. These are just 2 3 or 4 relays in one case.

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hotwaterwizard

Silver - Posts: 1,350

Joined: December 11, 2003

Location: California, United States

Posted: August 18, 2007 at 12:36 AM / IP Logged

There are thousands of types of relays

Here are a few

how many type of relay? - Last Post -- posted image.

John DeRosa (Hotwaterwizard)

Stockton California

When in doubt, try it out !

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hotwaterwizard

Silver - Posts: 1,350

Joined: December 11, 2003

Location: California, United States

Posted: August 18, 2007 at 1:03 AM / IP Logged

What would you call this one?

how many type of relay? - Last Post -- posted image.

John DeRosa (Hotwaterwizard)

Stockton California

When in doubt, try it out !

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how many type of relay?

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