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Used Compacta Distribution Transformers

  • Trusted Seller
    Compact Substation Cemesa #7604/26

    Compact Substation Cemesa #7604/26

    • Manufacturer: Compacta

    Model: Year: Compact Substation Brand: Cemesa Capacity of: 23 Kva indoor formed by: (1) high voltage panel brand: cemesa 23 kv (1) oil transformer brand: continental electric capacity 1000 kva 23,000(20,000)-440y...

    State of Mexico, Mexico
  • Trusted Seller
    Compact Substation Ceessa #7604/26

    Compact Substation Ceessa #7604/26

    • Manufacturer: Compacta

    Model: Year: Compact Substation Brand: Ceessa Capacity of: 23 Kva interior type formed by: (1) high voltage panel brand: ceessa 23 kv 500 kva (1) oil transformer brand: continental electric capacity 500 kva 23,00...

    State of Mexico, Mexico
  • YB-PRE Compact substation (variable European

    YB-PRE Compact substation (variable European box)

    • Manufacturer: Compacta

    20 sets per month 500KVA 630KVA 35kV power substation to design and install wooden case or according to customer's requirements. 500KVA 630KVA 35kV electrical substation for design and installation. Packing box m...

    Beijing, China

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.