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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