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Envirotran critical load substation transformer

With enhanced surge protection and a hardened design, Eaton’s Cooper Power series Envirotran Critical Load Transformer (CLT) offers an unparalleled combination of reliability, efficiency, safety, performance and value. Providing superior operation in stressful electrical environments, these substation transformers are filled with Envirotemp FR3 dielectric fluid for enhanced fire protection and longer lifespan. 

Envirotran critical load substation transformer
Voltage
Primary 2400-46,000 V; Secondary 208-24,940 V
Base rating
500-10,000
No RC snubbers required
Withstands harsh resonant frequencies

Core features

  • Available up to 35 kV and 12 MVA
  • Biodegradable and sustainable Envirotemp FR3 dielectric fluid provides fire safety benefits with a projected lifespan well beyond that of a traditional mineral-oil transformer
  • Envirotemp enables NECT compliance for indoor and roof-mounted transformers
  • ANSI/IEEE BIL withstand ratings are higher for liquid-filled transformers, making them less susceptible to failure
  • Overload capability above nameplate without significant loss of insulation life
  • Not reliant on an RC snubber circuit for transient surge protection

Ultimate reliability and performance

Eaton's Cooper Power series Envirotran CLT transformer exceeds in every performance category important to critical applications: reliability, fire safety, loadability, operational life, efficiency, thermal loading and installed footprint.

Enhanced design for transient surge protection

Liquid-filled Envirotran CLT transformers boast an enhanced transformer design capable of withstanding harsh transient conditions without the need for RC snubber circuits.

Superior overload capability

The cooling system of Eaton's Cooper Power series Envirotran CLT transformer provides unparalleled protection, enabling transformers to tolerate greater overloads for longer periods without abnormal loss of insulation life.

Save space and reduce equipment coordination

Close-couple medium-voltage liquid-filled transformers with low and medium-voltage assemblies in a streamlined unit substation design.