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Pad-mounted distribution transformers

ANSI/IEC standards

ABB's pad-mounted transformers are mounted on the ground to service underground distribution networks. These transformers typically serve urban and rural residential, commercial and industrial loads. They offer the maximum amount of tamper resistance in the lowest profile design. 

ANSI single-phase pad-mounted transformers come equipped with a clamshell cabinet for ease of opening and uninhibited access to connections. Versatility of design allows for various protective and switching configurations.

ANSI three-phase pad-mounted cabinet offers a unique cabinet that features one piece sloped cabinet weather cover to effectively shed water and allow easier access into the cabinet compartment. The transformer can be configured for live and dead front high voltage connections along with radial or loop feed. Various switching and protection schemes can be integrated into the unit making for a low profile,  reliable and multi-functional transformer. 

ABB's generator step-up, three-phase pad-mounted transformers have been designed to meet the stringent standards for wind and solar farm demands. They would be mounted outside at the base of the tower while for solar can be stand-alone or part of a kiosk solution.

Three-phase, pad-mounted transformers can be outfitted with TPC protection system compensating for capacitive earth fault current in underground cables for the protection and safety of sensitive loads.

Product scope

  • Single-phase up to 250 kVA
  • Three-phase up to 3,000 kVA
  • Primary voltage up to 36 kV
  • Secondary voltages up to 690 V
  • Cooling type: ONAN
  • Available fluids: mineral oil, ester fluids and silicone

Why ABB?

  • ABB utilizes a focus factory concept which leads to great experience in specific products giving a very high level of consistency in design, manufacture and test
  • ABB has the biggest library of type tested designs
  • All ABB distribution transformers factories utilize the common design platform giving us best in class experience, consistency and repeatability
  • ABB has more distribution transformer factories than any other supplier, meaning we are always close to your project destination
  • ABB utilizes best in class manufacturing and quality processes to ensure that our transformers will meet the most stringent requirements
  • ABB has the widest portfolio of distribution transformer products meaning that our experience in providing solutions to challenging requirements is unrivalled
  • ABB leads the supply base in technological advancement with our Green-R-Trafo products

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