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Used Delta Distribution Transformers

  • Trusted Seller
    DELTA CETC0045S001532

    DELTA CETC0045S001532

    • Manufacturer: Delta
    • Phase type: Three-phase

    Kva: 45 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 | Enclosure type: Nema 3R

    $2,724 USD
    British Columbia, Canada
  • Trusted Seller
    DELTA CETC0045S001532

    DELTA CETC0045S001532

    • Manufacturer: Delta
    • Phase type: Three-phase

    Kva: 45 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 | Enclosure type: Nema 3R

    $2,757 USD
    British Columbia, Canada
  • Trusted Seller
    DELTA CETC0045S001532

    DELTA CETC0045S001532

    • Manufacturer: Delta
    • Phase type: Three-phase

    Kva: 45 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 | Enclosure type: Nema 3R

    $2,757 USD
    British Columbia, Canada
  • Trusted Seller
    DELTA CETC0075S001534

    DELTA CETC0075S001534

    • Manufacturer: Delta
    • 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 | Enclosure type: Nema 3R

    $4,518 USD
    British Columbia, Canada
  • Trusted Seller
    DELTA CETC0045S001532

    DELTA CETC0045S001532

    • Manufacturer: Delta

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

    $2,724 USD
    British Columbia, Canada
  • Trusted Seller
    DELTA CETC0045S001532

    DELTA CETC0045S001532

    • Manufacturer: Delta
    • Phase type: Three-phase

    Kva: 45 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

    $2,688 USD
    British Columbia, Canada
  • Trusted Seller
    DELTA CETC0045S001532

    DELTA CETC0045S001532

    • Manufacturer: Delta
    • Phase type: Three-phase

    Kva: 45 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 | Enclosure type: Nema 3R

    $2,724 USD
    British Columbia, Canada
  • Trusted Seller
    DELTA CETC0045S001532

    DELTA CETC0045S001532

    • Manufacturer: Delta
    • Phase type: Three-phase

    Kva: 45 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 | Enclosure type: Nema 3R

    $2,757 USD
    British Columbia, Canada
  • Trusted Seller
    DELTA CETC0045S001532

    DELTA CETC0045S001532

    • Manufacturer: Delta
    • Phase type: Three-phase

    Kva: 45 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 | Enclosure type: Nema 3R

    $2,757 USD
    British Columbia, Canada
  • Trusted Seller
    DELTA CETC0075S001534

    DELTA CETC0075S001534

    • Manufacturer: Delta
    • 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 | Enclosure type: Nema 3...

    $4,518 USD
    British Columbia, Canada
  • Trusted Seller
    2002 DELTA CETC0075S001535

    2002 DELTA CETC0075S001535

    • Manufacturer: Delta
    • Phase type: Three-phase

    Kva: 75 kVA | Primary voltage: 600 volts | Secondary voltage: 600/347 volts | Phase: 3-phase | Transformer type: Distribution Transformer | Auto vs isolation: Isolation | Oil vs dry: Dry | Enclosure type: Nema 3R

    $3,124 USD
    British Columbia, Canada
  • Trusted Seller
    2002 DELTA CETC0045S001532

    2002 DELTA CETC0045S001532

    • Manufacturer: Delta
    • Phase type: Three-phase

    Kva: 45 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 | Enclosure type: Nema 3R

    $2,757 USD
    British Columbia, Canada
  • Trusted Seller
    2002 DELTA CETC0075S001535

    2002 DELTA CETC0075S001535

    • Manufacturer: Delta
    • Phase type: Three-phase

    Kva: 75 kVA | Primary voltage: 600 volts | Secondary voltage: 600/347 volts | Phase: 3-phase | Transformer type: Distribution Transformer | Auto vs isolation: Isolation | Oil vs dry: Dry | Enclosure type: Nema 3R

    $3,124 USD
    British Columbia, Canada
  • Trusted Seller
    2002 DELTA CETC0075S001535

    2002 DELTA CETC0075S001535

    • Manufacturer: Delta
    • Phase type: Three-phase

    Kva: 75 kVA | Primary voltage: 600 volts | Secondary voltage: 600/347 volts | Phase: 3-phase | Transformer type: Distribution Transformer | Auto vs isolation: Isolation | Oil vs dry: Dry | Enclosure type: Nema 3R

    $3,124 USD
    British Columbia, Canada
  • Trusted Seller
    DELTA CD3A0500S019689

    DELTA CD3A0500S019689

    • Manufacturer: Delta

    Kva: 500 kVA | Primary voltage: 480 volts | Secondary voltage: 600 volts | Phase: 3 | Transformer type: Distribution Transformer | Auto vs isolation: Isolation | Oil vs dry: Dry | Enclosure type: Nema 3R | Frequ...

    $21,719 USD

    Get financing

    Est. $409/mo

    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.