Three-phase Transformers designed and manufactured to comply with IEC61558 and IEC60076. These are double-wound Isolation Transformers for continuous duty and complete with earth screen between the primary and secondary windings.
• Three Phase Power Transformer : Isolation Transformer with Earth Screen between Primary and Secondary
• Standard : IEC / BS-EN 61558, IEC60076
• Insulation Class : F
• Insulation Resistance : > 5 Meg Ω
• Dielectric Strength : Primary to Secondary > 2.5kV Primary to Earth > 2.5kV Secondary to Earth > 2.5kV
• Ambient Temperature : 40℃
• Duty : Continuous duty at the rated kVA
• Core : High Grade Electrical Steel, Securely clamped and tied
• Windings : Grade 2 Polyester covered Copper round wire or Nomex covered Copper Strip
• Cooling : Open Transformers - AN Enclosed - ANAN Fan Cooling can also be provided on special units
• Terminals : Din Rail mounted, Stud or Copper Bus bar according to the current level.
• Earthing : Earth Screen between Primary and Secondary Windings with cable brought out and bonded to the Core and all Steel Metalwork.
• Enclosures : Sheet Steel Enclosures can be provided, please see our separate Data Sheets.
• Protection : Fuses or Circuit breakers can be fitted.