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Visual difference between PM1 and PM2 point motors.

1827 Views 3 Replies 3 Participants Last post by  Vulcan
Is there a visual difference? I have 17 PM1s and 1 PM2, and for the life of me cannot tell which is the PM2. I assumed that the PM2 wouldn't have the switching terminals, but all of them have a terminal A, B, C, D and E.

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I have lots of PM1s but no PM2s! The PM1 has a sprung brass washer on the actuating rod which slides along the PCB to provide the switch function. The PM2 probably doesn't.
use PM2's here and as edwin says they dont have the sprung brass washer
Fantastic - thanks yet again to both of you.

Turns out I have 11 PM1s and 3 PM2s. Off to eBay they all go...
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