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Power Transformer

Espey Mfg. developed and manufactures this power distribution transformer used to supply electrical energy from a mobile military generator in rugged field conditions.

Electrical Specifications

  • Rating: 115 volts 400 Hz MIL‑STD‑704 (Category B)
    500 kVA, 2 minutes, emergency condition, limited duty cycle
    400 kVA, 2 hrs in 24 hr period
    200 kVA, 4 hrs in 12 hr period
    100 kVA Continuous
  • Input: 8000 Volts Maximum
    Primary: Delta connection
    Voltage: 4160V
    Frequency: 60 Hz ±2%
    IEEE Std. 386 Loadbreak Interface: Integrated fuse and surge suppression
  • Output: Secondary: Wye connection, 4 Wire
    Voltage: 480/277V
    Regulation: 5.0% max at 400 kVA
    Connection: Meltric PF 600 with integrated safety interlock & status
    Circuit Breaker protected

Mechanical Specifications

  • Unit weight: 5025 Lbs maximum
  • Multiple lifting and transport options: Iso corners and fork lift options
  • Enclosure: Ip55, carc painted steel
  • Secondary disconnect: Circuit breaker
  • Primary coolant and dielectric: Oil

Features

  • Natural Convection Cooled
  • Safety Interlocks
  • IEEE Standard 386 Interface
  • Interlocked Secondary Connector
  • Integrated Thermal Protection
  • Secondary Output Circuit Breaker
  • Primary Fusing and Surge Arrestor

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