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Relay and socket pin out? Tech help?

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blackdak8

Well-known member
Joined
Oct 30, 2013
Messages
45
Location
KY
Majority of these ice cube relays also have numbers molded next to terminal screws. You go by the diagram on the relay face and match number from relay to base. This looks like a direct knockoff of Omron LY series.
 

Dustball

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Joined
Jun 25, 2011
Messages
2,081
Location
Hudson, WI
The socket has numbers on the terminals. I see 5, 6, 7, and 8 on the socket side facing towards the camera.

71WQlY3f1EL._AC_SL1000_.jpg
 
OP
T

trs71

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Joined
Oct 16, 2013
Messages
275
Yes the pic from Amazon has numbers~
Yes they are USUALLY stamped on somewhere~

5x magnifying glass and no numbers, not even a Chinese character, nadda!
(These are major cheap broke 2 tightening the screw by hand....)


:D

Kind of worried even using these, because if it fails, we are going to have a flood,
 
Last edited:

CoogarXR

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Jan 11, 2016
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6,846
Location
Ohio
I am a little foggy today, so I can't tell exactly what you're asking... But if it's the relay, just look through the plastic. The coil is on one end, the contacts on the other. If it's the socket, strip a little peice of bell wire or something and stick it in each slot, then using a continuity tester (or continuity function on a multimeter), find the terminal that "beeps" lol.
 
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slow

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Feb 26, 2006
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2,596
Location
near Orlando
the 2 perpendicular are the coil, the 6 that are parallel are the contacts, 2 closest to the coil will be common, and depending on how the relay sits you should be able to see the NC vs NO, I assume it goes Common, NO, NC

edit, that's for the relay itself, for the socket, i cannot tell from that image.
 

Dustball

Well-known member
Joined
Jun 25, 2011
Messages
2,081
Location
Hudson, WI
Yes the pic from Amazon has numbers~
Yes they are USUALLY stamped on somewhere~

5x magnifying glass and no numbers, not even a Chinese character, nadda!
(These are major cheap broke 2 tightening the screw by hand....)


:D

Kind of worried even using these, because if it fails, we are going to have a flood,

Seeing as how the socket has a part number, PTF08A, in the Amazon picture- it's an Omron rip-off and might as well use the Omron diagram.

Page 12 for the LY2 relay
Page 13 PTF08A socket
https://www.mouser.com/datasheet/2/307/ly_ds_e_4_8_csm54-1291204.pdf

If you want to save yourself a headache, buy the name brand Omron for only $22.

Relay $11 https://www.mouser.com/ProductDetai...ety/LY2-DC12/?qs=Pjd0UV7BHP%2BA4G%2BkzsjVkw==

Socket $11 https://www.mouser.com/ProductDetai...d-Safety/PTF08A?qs=qqs1SbnD%2BuxV7OjxXb1/FQ==
 
Last edited:

charbar

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Joined
Feb 6, 2021
Messages
1,993
Location
Midwest
Just ohm out the socket.......one lead on any given terminal of where the relay plugs in, then just poke the screw terminals with the other lead till you have a reading. Write down which ones correspond with one another and you're done.
Finding which terminals are what on the relay itself has already been discussed so I won't go over that again.

Easy peasy :)
 

ddawg16

Well-known member
Joined
Jul 11, 2008
Messages
21,005
Location
S. California
Just ohm out the socket.......one lead on any given terminal of where the relay plugs in, then just poke the screw terminals with the other lead till you have a reading. Write down which ones correspond with one another and you're done.
Finding which terminals are what on the relay itself has already been discussed so I won't go over that again.

Easy peasy :)

^^ This ^^
 
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