Control Wiring

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wmeek

Senior Member
Location
Texas
Occupation
Electrician
Need Help
I have a generator supplying 480V Panel on a Catapillar tractor. I am having to install a Frequency monitor to regulate a contactor that feeds 480v panel. The frequency monitor is rated for 240V. I was thinking about installing a 480V/240v Transformer 50va. I can not seem to be able to find a control transformer for this application. Any help would be greatly appreciated.

Thanks
 
Also , on the primary side of generator there is 240 v Voltage regulator that is fed on the primary side of Generator teriminals . Would it be feasilble to come off of this, an fuse it to feed the Frquency monitor. the Generator is wired to feed a 480V panel.
 
Most of the control power transformers that I have seen are dual voltage on both the primary and secondary. 480/240 on the primary and 240/120 on the secondary. These are commonly found in motor starters and should be available at an electrical supply house.
Don
 
Hey Don
Would you happen to have a part # for one thats 480V primary / 240V Secondary
 
wmeek,

GE #9T58K1802, Control Power Transformer, .050 kVA, 240/480V Primary, 120/240V Secondary, 60 Hz

Square D #9070TF50D31 (same specs)

Allen-Bradley #1497D-A1-M10-0-N (same specs)

Eaton Cutler Hammer #C0050E2CXX (same specs)

Acme #TB-83210 (same specs)


 
Thanks Don

I appreciate your help and effort. I do not have alot of experience in Controls. This is a learning experience.
Again Thank you
 
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