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Topic Title: MK 3 way gridswitch
Topic Summary: Internal arrangement.
Created On: 03 October 2013 02:36 PM
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 03 October 2013 02:36 PM
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mikejumper

Posts: 1672
Joined: 14 December 2006

MK 3 way grid switch installed about 20 yars ago.
Does anyone know what the internal switching arrangement is?
It has 3 positions: up, down and centre. It's like a normal rocker switch but with a kind of raised ridge at either end.
 03 October 2013 02:43 PM
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AJJewsbury

Posts: 10974
Joined: 13 August 2003

From memory I thought they were just like any 2-way switch, but with "off" in the centre? (i.e. COM connects to neither L1 nor L2 in that position). What terminals does it have?

- Andy.
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