Standards and regulations

Ulusoy-dry type transformers comply with

Eaton complies with

Standards and regulations
IEC standards

Xiria medium-voltage switchgear complies with the most recent IEC standards:

  • IEC 62271-1 for high-voltage switchgear
  • IEC 62271-100 for circuit breakers
  • IEC 62271-102 for changeover switches and earthing switches
  • IEC 62271-103 for load-break switches
  • IEC 62271-200 for metal enclosed switchgear
  • IEC 62271-304 for metal enclosed switchgear in severe climatic conditions
  • IEC 61869-1 for instrument transformers – Part 1: General requirements
  • IEC 61869-2 for instrument transformers – Part 2: Additional requirements for current transformers
  • IEC 61869-3 for instrument transformers – Part 3: Additional requirements for voltage transformers
  • EN 50181 for plug-in type bushings above 1 kV up to 36 kV

The Xira medium-voltage switchgear comes with the following certifications:

  • ENA-TS
  • GOST
Busbar system


RATED VOLTAGEKV3.6 7.212 17.524
Rated short-time withstand current alternativekA-s20-120-120-120-120-1
Rated short-time withstand current alternativekA-s20-320-320-320-320-3
Rated peak withstand currentkA5050505050
Load-break switches


RATED VOLTAGEKV3.6 7.212 17.524
Rated active load break currentA630630630630630
Rated short-circuit making currentkA5050505050
Rated short-time withstand currentkA-s20-120-120-120-120-1
Rated short-time withstand current alternativekA-s20-320-320-320-320-3
Rated cable charging breaking currentA31.531.531.531.531.5
Mechanical endurance class M2 10,000xM2 10,000xM2 10,000xM2 10,000xM2 10,000x

Mechanical endurance class

if used as an earth switch


Mechanical endurance class


Electrical endurance class E3E3E3E3E3
Electrical endurance class as earth switch E2E2E2E2E2
ISO standards

The Xiria production facilities comply with the following standards:

  • ISO 9001 for quality management
  • ISO 14001 for environmental management
  • ISO 50001 for energy management