Jefferson Electric

Jefferson Electric 423-3194-055 30 kVA Dry Type Transformer 480V Delta 208Y/120V

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SKU:
53257
MPN:
423-3194-055
Condition:
Used
Availability:
Usually ships within 3-5 business days due to size and freight requirements.
Weight:
310.00 LBS
Shipping:
Calculated at Checkout
  • Jefferson Electric 423-3194-055 30 kVA dry type transformer – three-quarter front-left view on pallet dolly
  • Jefferson Electric 423-3194-055 transformer – front face view showing Jefferson Electric logo and nameplate label
  • Jefferson Electric 30 kVA transformer – front-right three-quarter view on pallet dolly showing enclosure and ventilation slot
  • Jefferson Electric 423-3194-055 nameplate close-up – CAT NO, kVA 30, 3 Phase, 60 Hz, 480V high voltage, 208Y/120 low voltage, date code M9994
  • Jefferson Electric transformer nameplate detail – high voltage connection table, insulation class AA, impedance 5.5%, UL listed, Made in USA
  • Jefferson Electric 423-3194-055 transformer – rear panel view showing enclosure and conduit knockout
  • Jefferson Electric 30 kVA transformer – left side view on pallet dolly showing ventilation opening and mounting feet
  • Jefferson Electric 423-3194-055 transformer – right side view showing enclosure panel and conduit entry knockout
  • Jefferson Electric transformer – top surface close-up showing paint wear, scuffing, and surface oxidation
  • Jefferson Electric transformer – lower corner close-up showing impact damage with paint loss and rust at base corner near conduit knockout
$1,200.00
Was: $2,400.00
Current Stock: 1

Sold Out

Description

Jefferson Electric 423-3194-055 30 kVA Dry Type Transformer 480V Delta 208Y/120V 3Ph

This is a three-phase dry type transformer rated at 30 kVA, designed to step down 480V Delta primary voltage to 208Y/120V secondary. It converts industrial three-phase power for use in commercial and industrial applications.

Specifications & What's Included

  • Model: Jefferson Electric 423-3194-055
  • Rating: 30 kVA, 3-phase, 60 Hz
  • Primary: 480V Delta (432–504V tapped range)
  • Secondary: 208Y/120V
  • Insulation: Class AA, 150°C temperature rise
  • Impedance: 5.5%
  • Form Factor: Floor mount, open frame dry type
  • Certifications: UL Listed, UL 4703
  • Made in USA

Applications

Commonly used for stepping down utility or generator power to facility distribution voltage in industrial, commercial, and data center environments.

Condition: Used
Jefferson Electric 423-3194-055 30 kVA dry type transformer. Powered and tested at our facility — in working order; successfully powered SKU 53256. Cosmetic wear: paint scuffing on top, impact damage with rust at one lower corner. Please contact us with questions.
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Warranty Information

We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information

Brand:
Jefferson Electric
Model:
423-3194-055
MPN:
423-3194-055
SKU:
53257
Condition:
Used – Inspected and Tested
Seller Notes:
Transformer only; powered and tested at our facility
Country of Manufacture:
USA
Form Factor:
Floor Mount / Open Frame Dry Type
Power Requirements:
480V Delta Primary, 208Y/120V Secondary
Transformer Type:
Dry Type General Purpose
kVA Rating:
30 kVA
Phase:
Three Phase
Primary Voltage:
480V Delta
Secondary Voltage:
208Y/120V
Frequency:
60 Hz
Insulation Class:
Class AA
Insulation Temperature Rise:
150°C
Impedance:
5.5%
Date Code:
M9994
High Voltage Connection Range:
432V – 504V (tapped)
Certifications:
UL Listed, UL Listed 4703
Outdoor Type:
UL Outdoor Type 3R (with weather shield 423-0001-045)
Condition Notes:
Jefferson Electric 423-3194-055 30 kVA dry type transformer. Powered and tested at our facility — in working order; successfully powered SKU 53256. Cosmetic wear: paint scuffing on top, impact damage with rust at one lower corner.
California Prop 65 Warning:
WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
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Type:
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SKU:
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Power Rating (kVA):
300 KVA
Phase:
Three Phase
Primary Voltage:
480V Delta
Secondary Voltage:
208Y/120V
Frequency:
60 Hz
Winding Configuration:
Zig-Zag (K-Star)
Impedance:
7.1%
Temperature Rise:
150°C
Number of Taps:
4 taps at 2.5% each
ES Noise Attenuation:
65 dB
Sound Level:
55 dB
Style:
TCRS28245
Insulation Class:
Class AA
Enclosure:
Ventilated (NEMA Type 1)
Wire Compatibility:
Copper (CU) or Aluminum (AL)
Wire Temperature Rating:
75°C (167°F) minimum
Certifications:
UL, CSA
Manufacturer:
Power Magnetics (an SPD Technologies Company)
Country/Region of Manufacture:
United States (Made in Gardena, CA)
Manufacture Date:
December 1998
Condition:
Used – Pulled from Working Environment
Seller Notes:
Copper cables removed at terminals but left in place; conduit boxes removed leaving two square holes on side; bottom grate bent.
Condition Notes:
Powersmiths K-Star 300KVA 3-phase dry-type transformer. Inspected, pulled from active service, not bench-tested. Copper cables left at terminals; conduit boxes removed leaving two square holes. Bottom grate bent. Minor scuffs and scratches.
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EGS

$1,100.00
Was: $1,700.00
Hevi-Duty HT1F9AS 9KVA Dry-Type Transformer 480V Delta 208Y-120V 3PH 60HzThe Hevi-Duty HT1F9AS is a 9 KVA three-phase dry-type step-down transformer manufactured by EGS Electrical Group under the...
52550
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Availability:
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Weight:
245.00 LBS
Brand:
Hevi-Duty
Model:
HT1F9AS
MPN:
HT1F9AS
Secondary Model:
SOLHT1F9AS
Type:
Dry-Type Step-Down Transformer
SKU:
52550
Manufacturer:
EGS Electrical Group
Power Rating:
9 KVA
Primary Voltage:
480V Delta
Secondary Voltage:
208Y/120V
Phase:
Three Phase
Frequency:
60 Hz
Insulation Class:
Class H (180°C)
Enclosure Type:
Rainproof Type 3R / Indoor Type 1 & 2
Winding Configuration:
Delta Primary, Wye Secondary
Taps:
480V, 468V, 456V, 432V (multiple FCBN taps)
RoHS Compliant:
Yes — RoHS 2002/95/EC
Certifications:
UL Listed, CSA Certified
CSA File:
LR14208
UL File:
4207
Type HT:
HT
Condition:
Used – Inspected and Tested
Seller Notes:
Unit includes existing lead wires (Carol brand, 600V rated, water-resistant)
Country/Region of Manufacture:
United States
Form Factor:
Floor/Pad Mount, Enclosed
Compatible With:
General power distribution, industrial 3-phase 480V to 208Y/120V systems
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Hevi-Duty HT1F9AS 9KVA 3PH dry-type transformer. Tested at our facility and in good working order. Enclosure shows light scuffing from normal use. Lead wires present and intact. Nameplate fully legible.
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Matra Electric 6175432L 175 kVA Dry Type Transformer 480V Delta 3-Phase 60Hz

Matra Electric

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SKU:
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Availability:
This item requires freight shipping. Please contact us for a shipping quote or to arrange local pickup.
Weight:
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Brand:
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Model:
6175432L
MPN:
6175432L
Type:
Dry-Type Transformer
SKU:
49923
Power Rating:
175 kVA
Primary Voltage:
430-480V Delta
Secondary Voltage:
480Y / 277V
Phase:
Three Phase
Frequency:
60 Hz
Impedance:
5.1%
Insulation Class:
Class H (220°C)
Temperature Rise:
150°C
Enclosure Rating:
NEMA 3R
Enclosure Type:
ANN-L (Air Natural, Natural convection)
Dimensions:
30.5" W x 28.5" D x 45" H
Date of Manufacture:
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Country/Region of Manufacture:
United States
Form Factor:
Floor Mount
Condition:
Used – Pulled from Working Environment
Seller Notes:
Unit only — no additional accessories. Requires freight shipping.
Condition Notes:
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