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schematic of manual transfer switch for 1990
#1

hi all,

i put new relays in the manual transfer switch in my 1990. i also replaced the neon indicator lights. i thought having the info might help someone. you would have to verify that your setup is the same as mine was. i suspect that newell used the same setup for a while, but you would have to doublecheck yours. the old relays were no longer manufactured so the contactors i show below are the replacements for them.

here is the schematic of the transfer switch i sketched out after tracing the wires.

there are 2 different contactors used here. the 2 big ones and then an auxiliary smaller contactor that adds on.

i bought mine at grainger but they are available at other places.

the part numbers for them are as follows. you need 2 of each.

the big one is a

Brand SQUARE D
Mfr. Model # 8910DPA63V02

the little one is a

Brand SQUARE D
Mfr. Model # 9999D01

here are the grainger links to them.

https://www.grainger.com/Grainger/wwg/se...sst=subset

https://www.grainger.com/Grainger/wwg/se...sst=subset


tom

   

picture below is of the new contactors
   

the picture below this is the old contactors
   

2002 45'8" Newell Coach 608  Series 60 DDEC4/Allison World 6 Speed HD4000MH

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#2

Where is the transfer switch located? I can't find mine.
Thanks,

Steve Magown
Calhoun, LA
2001 Prevost H3 Vantare
formerly Newell #458
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#3

I found it. It is under a false panel in front of the main electrical panel in my rear closet . A Todd PS-275 automatic transfer switch.
Thanks,

Steve Magown
Calhoun, LA
2001 Prevost H3 Vantare
formerly Newell #458
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