480 to 208 transformer question

[slc410]

I would like to know if there is such a thing as a 480v to 208v buck transformer for a 65 amp load. We're trying to get the load on the 208v panel reduced in a commercial kitchen and area in the kitchen is very limited. The 65 amp load is for a water booster heater for a dishwasher

 

[ptonsparky]

3 PH? I would use a standard 480 to 208 Y transformer.

 

[slc410]

3 PH? I would use a standard 480 to 208 Y transformer.

Yes it is 3 phase and yes I know I need a transformer. That part I got. The thing is space is at a bare minimum in this kitchen so a standard 30kva transformer is absolutely way too big. Commercial kitchens tend to be tight on space especially in the franchise world which this one is. What I need to know is if there is a buck transformer out there from 480v to 208v that would be small like the buck boost transformers I've seen that just buck or boost from 208v to 230v for a load on a piece of equipment. Theyre usually about the size of a shoe box but much heavier obviously Ideally it would be nice to mount it above the suspended ceiling on a wall.

 

[MTW]

Obtain a 480V booster heater, and skip the transformer. The most space saving method.

https://www.hatcocorp.com/cms/SPECSHEETS/000000004174341-00006-20121211.PDF

https://www.webstaurantstore.com/hatco-c-36-compact-booster-water-heater-480v-3-phase-36-kw/413C36G.html

 

[Cow]

I would like to know if there is such a thing as a 480v to 208v buck transformer for a 65 amp load.

No.

I'd say your two options are using a standard trans or getting a different piece of equipment that accepts 480v.

 

[ptonsparky]

BB transformers are sized by multiplying the voltage change by the current.

230-208=22. 22*65=1430. Roughly 1.5 KVA. One for 1Ph and two at minimum for 3Ph.

480-208=272. 272*65=17680. Get the picture?

 

[Frank DuVal]

Right, Proton, so that unavailable except by special order BB transformer will be 18kVA, so the available 25 KVA 480/208 will be about the same physical size....:thumbsup:

 

[kwired]

BB transformers are sized by multiplying the voltage change by the current.

230-208=22. 22*65=1430. Roughly 1.5 KVA. One for 1Ph and two at minimum for 3Ph.

480-208=272. 272*65=17680. Get the picture?

:thumbsup: