Factory New 75 KVA Step Up Dry Transformer Primary Voltage 208 Delta Secondary Voltage 480Y/277 / 3 Phase /10 Year Warranty/ Jefferson Electric 423-9231-000

Quick Overview


Jefferson Electric
GIBUYS Item #:
2 in Stock
Product Description

Jefferson Electric Logo

This is a FACTORY NEW Jefferson Electric dry type (STEP UP) transformer for sale.  We are a Wisconsin based authorized Jefferson dealer with many transformers IN STOCK and ready to ship!  We can also custom order any voltage in nearly any size, just ask!  We are here to help!   All of our Jefferson transformers come standard with a NEMA 3R, Rainproof outdoor enclosure allowing them to be installed both outdoors or indoors!  All units come with lugs and a 10 year limited factory warranty!  

This transformer is specially designed to step up your three phase 208 Volt to 480Y/277 Volt, with a supplied 4th wire neutral!  We have this transformer IN STOCK and ready to ship! 

Save thousands and buy NEW from Green Industrial today! 


Factory New Dry Type Energy Efficient Transformer


Free Shipping To Continental United States

(Does not include residential or any lift gate fee's, those charges will be extra and added.  Free shipping is only to standard loading dock address' that do not trigger extra fee's in UPS' Shipping Software Platform.  No exceptions to this rule apply)

Manufacturer : Jefferson Electric

Catalog Number : 423-9231-000

KVA : 75

Phase : 3

Primary Voltage / High Side : 208 Delta 

Secondary Voltage / Low Side : 480Y/277, 4 Wire 

Max Temp Rise : 150 Deg C

Impedance : 4.6 %

Lugs Included : YES

Efficiency : Meets DOE-2016 Efficiency Standards 

Enclosure Type : NEMA 3R (Indoor AND Outdoor Rated)

Winding Material : AL / AL 

 Primary Side Taps : 218, 213, 208, 203, 198, 192, 187

Secondary Connections : 480 Volt - Line-Line (&) 277 Volt - Line-Neutral 

Condition : Factory New

Warranty : 10 Year Limited Warranty 


Actual Transformer Weight : 605 Pounds 

Actual Transformer Dimensions : 27 Inches Wide x 26 Inches Deep (Including the rain shield) 21 Inches Deep at the base (no rain shield included in that measurement) x 32 Inches Tall (Also See Attached Drawing in photos Section) 

Shipping Weight and Dims : 680 Pounds, 48x48x60

Ships From : Belgium, WI 53004


Gibuys Item Number : JH-423-9231-000