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Used Distribution Transformers

  • Trusted Seller
    FEDERAL PIONEER Class 220

    FEDERAL PIONEER Class 220

    • Manufacturer: FEDERAL PIONEER
    • Phase type: Three-phase

    Kva: 45 kVA | Primary voltage: 600 volts | Secondary voltage: 120/208 volts | Phase: 3-phase | Transformer type: Distribution Transformer | Auto vs isolation: Isolation | Oil vs dry: Dry

    $2,178 USD
    British Columbia, Canada
  • Trusted Seller
    DRESSER ELECTRIC 8ELX-500K

    DRESSER ELECTRIC 8ELX-500K

    • Manufacturer: DRESSER ELECTRIC
    • Phase type: Three-phase

    Kva: 500 kVA | Primary voltage: 600 volts | Secondary voltage: 120/208 volts | Phase: 3-phase | Transformer type: Distribution Transformer | Auto vs isolation: Isolation | Oil vs dry: Dry | Enclosure type: Nema ...

    $11,107 USD

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    Est. $218/mo

    British Columbia, Canada
  • Trusted Seller
    TRACON ENGINEERING 3DLHZEZY

    TRACON ENGINEERING 3DLHZEZY

    • Manufacturer: Tracon
    • Phase type: Three-phase

    Kva: 7.5 kVA | Primary voltage: 480 volts | Secondary voltage: 185/107 | Phase: 3-phase | Transformer type: Distribution Transformer | Auto vs isolation: Isolation | Oil vs dry: Dry | Made in: CANADA | Enclosure...

    $276 USD
    British Columbia, Canada
  • Trusted Seller
    POLYGON 3H3-75C-12

    POLYGON 3H3-75C-12

    • Manufacturer: POLYGON
    • Phase type: Three-phase

    Kva: 75 kVA | Primary voltage: 600 volts | Secondary voltage: 208/120 volts | Phase: 3-phase | Transformer type: Distribution Transformer | Auto vs isolation: Isolation | Oil vs dry: Dry | Made in: CANADA

    $2,343 USD
    British Columbia, Canada
  • Trusted Seller
    1993 GENERAL ELECTRIC XT 5000

    1993 GENERAL ELECTRIC XT 5000 7Z CC H

    • Manufacturer: GE
    • Phase type: Three-phase

    Kva: 5000 kVA | Primary voltage: 24940 volts | Secondary voltage: 4160/2400 volts | Phase: 3-phase | Transformer type: Distribution Transformer | Auto vs isolation: Isolation | Oil vs dry: Dry | Reference: 07496

    $147,033 USD

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    Est. $2,767/mo

    British Columbia, Canada
  • Trusted Seller
    ACME ELECTRIC H348-15M

    ACME ELECTRIC H348-15M

    • Manufacturer: Acme
    • Phase type: Three-phase

    Kva: 112.5 kVA | Primary voltage: 600 volts | Secondary voltage: 208/120 volts | Phase: 3-phase | Transformer type: Distribution Transformer | Auto vs isolation: Isolation | Oil vs dry: Dry

    $3,993 USD
    British Columbia, Canada
  • Trusted Seller
    HAMMOND MANUFACTURING 123362

    HAMMOND MANUFACTURING 123362

    • Manufacturer: Hammond
    • Phase type: Three-phase

    Kva: 300 kVA | Primary voltage: 2400 volts | Secondary voltage: 600 volts | Phase: 3-phase | Transformer type: Distribution Transformer | Auto vs isolation: Isolation | Oil vs dry: Dry | Made in: CANADA

    $3,267 USD
    British Columbia, Canada
  • Trusted Seller
    BEAVER RC30CB/X/B

    BEAVER RC30CB/X/B

    • Manufacturer: BEAVER
    • Phase type: Three-phase

    Kva: 30 kVA | Primary voltage: 240 volts | Secondary voltage: 208 volts | Phase: 3-phase | Transformer type: Distribution Transformer | Auto vs isolation: Auto | Oil vs dry: Dry | Enclosure type: Nema 2

    $581 USD
    British Columbia, Canada
  • Trusted Seller
    BEAVER AVR10SK4C

    BEAVER AVR10SK4C

    • Manufacturer: BEAVER
    • Phase type: Three-phase

    Kva: 10 kVA | Primary voltage: 480 volts | Secondary voltage: 240 volts | Phase: 3-phase | Transformer type: Distribution Transformer | Auto vs isolation: Auto | Oil vs dry: Dry | Enclosure type: Nema 2

    $1,011 USD
    British Columbia, Canada
  • Trusted Seller
    MARCUS MTWP225H5

    MARCUS MTWP225H5

    • Manufacturer: Marcus
    • Phase type: Three-phase

    Kva: 225 kVA | Primary voltage: 600 volts | Secondary voltage: 600 volts | Phase: 3-phase | Transformer type: Distribution Transformer | Auto vs isolation: Isolation | Oil vs dry: Dry | Enclosure type: Nema 3

    $3,630 USD
    British Columbia, Canada
  • Trusted Seller
    HAMMOND Model 98A

    HAMMOND Model 98A

    • Manufacturer: Hammond
    • Phase type: Three-phase

    Comes with factory installed digital temperature controller and Neoprene vibration isolation kit Brand new, in box, unused. Square D Digital Temperature Controller:

    $3,485 USD
    British Columbia, Canada
  • Trusted Seller
    POLYGON JEFFERSON ELECTRIC 5H3-450C-45A

    POLYGON JEFFERSON ELECTRIC 5H3-450C-45A

    • Manufacturer: POLYGON JEFFERSON ELECTRIC
    • Phase type: Three-phase

    Kva: 330 kVA | Primary voltage: 575V | Secondary voltage: 460/266V | Phase: 3-phase | Transformer type: Distribution Transformer | Auto vs isolation: Isolation | Oil vs dry: Dry | Style: 5H3-450C-45A | Basic ins...

    $13,070 USD

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    Est. $257/mo

    British Columbia, Canada
  • Trusted Seller
    GS DT1121H30TS

    GS DT1121H30TS

    • Manufacturer: GS
    • Phase type: Three-phase

    Kva: 30 kVA | Primary voltage: 480 volts | Secondary voltage: - 416Y/240 V | Phase: 3-phase | Transformer type: Distribution Transformer | Auto vs isolation: Isolation | Oil vs dry: Dry | Primary amps: - 36 A | ...

    $799 USD
    British Columbia, Canada
  • Trusted Seller
    2002 SQUARE D C75T8HCU

    2002 SQUARE D C75T8HCU

    • Manufacturer: Square D

    Kva: 75 kVA | Primary voltage: 600 volts | Secondary voltage: 208/120 volts | Transformer type: Distribution Transformer | Auto vs isolation: Isolation | Oil vs dry: Dry | Made in: MEXICO | Frequency: 60 Hz

    $2,338 USD
    British Columbia, Canada
  • Trusted Seller
    HAMMOND MANUFACTURING K159K

    HAMMOND MANUFACTURING K159K

    • Manufacturer: Hammond
    • Phase type: Three-phase

    Kva: 3 kVA | Primary voltage: 600 volts | Secondary voltage: 208/120 volts | Phase: 3-phase | Transformer type: Distribution Transformer | Auto vs isolation: Isolation | Oil vs dry: Dry | Made in: CANADA

    $863 USD
    British Columbia, Canada
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Overview

Distribution transformers step down medium-voltage power to the lower voltages used by homes, businesses and local grids. They come as oil-filled or dry-type units, with features like on-load tap changers, conservators and cooling systems. Buyers look for capacity (kVA/MVA), voltage ratings, insulation condition and transportability when selecting used units for substations or commercial sites.

FAQ

What should I inspect when buying a used distribution transformer?

Check the nameplate ratings, kVA and voltage class, manufacturing date, oil condition or insulation status, tap changer condition, bushing integrity, maintenance and fault records, and results of recent electrical tests (insulation resistance, turns ratio, winding resistance, and DGA if oil-filled).

How do I ship a distribution transformer safely?

Use heavy-equipment carriers with proper lifting gear and blocking. For oil-filled units confirm local rules—some jurisdictions require draining or special containment. Secure and protect bushings and tap changers, use skid or frame supports, and arrange permits/escort for oversized loads.

What regular maintenance does a distribution transformer need?

Perform periodic visual inspections, oil testing (DGA, moisture, acidity) for oil-filled units, check and service tap changers, clean and tighten bushings and connections, monitor temperature and load, and repair leaks or corrosion promptly. Follow manufacturer intervals and keep detailed records.