Our three-phase transformers are designed and manufactured to IEC60076 and IEC61558.

These are double wound isolation transformers for continuous duty, complete with earth screen between the primary and secondary windings. These types of transformers can be manufactured to meet specific standards.

Primary Voltage	To customer’s specification or 15KV
Secondary Voltage	To customer’s specification or 15kV Ratings up to and including  2MVA  Dry type and oil cooled options are available
Frequency	50/60Hz or customer requirements
Insulation Class	B, F, H or C
Insulation Resistance	> 5 Meg Ω
Dielectric Strength:	Primary to Secondary > 38kV  Primary to Earth > 38kV  Secondary to Earth > 38kV
Ambient Temperature	30°C or to meet customer requirements
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, standard and bespoke available
Protection	Fuses or circuit breakers can be fitted

 

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