What Is This Relay Configuration Called?

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davep.

Gold - Posts: 644

Joined: May 27, 2011

Location: California, United States

Posted: April 25, 2023 at 10:44 PM / IP Logged

I saw this relay tonight while going through pics of one of my projects. Kind of a 'different' contact configuration. It's sort of a DPDT, but one of the outputs is connected to either pole. What is this configuration officially called? Thanks.

ADD: I looked at the schematic for its usage in the car. Terminal #5 is not used. Terminals #3 and #4 are N.C., and terminals #1 and #6 are N.O. When the relay changes states, the pairs change states. One pole 'breaks', and the other pole 'makes'.

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veiloctane

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Joined: January 07, 2012

Location: Alberta, Canada

Posted: September 13, 2023 at 12:49 AM / IP Logged

known as a double pole double throw DPDT Relay

Relay usually has 6 pins

https://www.electroschematics.com/dpdt-switch-relay/

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