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Medium-voltage switchgear

Xiria

Xiria is Eaton’s SF6-free medium voltage switchgear product family for ring station and secondary switchgear applications.

The highly compact switchgear panels are used to control and protect electrical equipment operated by utilities, commercial building owners, and operators of distributed renewable generation assets such as solar farms and wind turbines. Xiria is especially valued because it requires minimal inspection and maintenance leading to low operation costs.

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Rated Voltage
up to 24kV
Rated Normal Current
630A
Internal Arc Classification
AFLR 20kA - 1s

Core features

Safe in use

  • Visible isolation by means of inspection windows in the front
  • Logical mechanical and electrical interlocks prevent mal operation

 

Highly flexible

  • Complete range of panel types, including extendable
  • Multiple configurations

 

Low total cost of ownership

  • Maintenance free vacuum circuit-breaker and load-break switch
  • Primary parts and mechanism installed in a fully sealed for life enclosed housing
  • Significantly reduced cost for end-of-life disposal

 

Environmentally friendly

  • Minimised number of components
  • No use of SF6-gas for switching and insulation

The Xiria Product Family

Xiria Block Type

Eaton Xiria 021

Xiria Block Type offers high operational safety and availability in an environmentally friendly and compact design. An extensive range of options and panel types makes Xiria Block Type the best choice for ring main unit applications up to 24kV.

 

Xiria Extendable Type

Eaton Xiria 061 Xiria E 2 Panels Top Unit
Xiria Extendable Type, also known as Xiria E, adds (future) extendibility to Xiria's product family. Together with the extensive list of options and panel types Xiria Extendable Type is positioned front row for secondary switchgear applications up to 24kV.

Xiria Metering Solutions

Eaton Xiria 020 4 panels
Xiria Metering Solutions offers flexibility. The open metering panel combines flawlessly with Xiria Block and Xiria Extendable Type panels while the highly compact solution integrates all measurement transformers in the cable compartment of a regular Xiria panel. This benefits small floor spaces.

SF₆-free switchgear

Using vacuum technology instead of SF₆ not only makes Xiria the best for the environment, but also minimizes maintenance, enhances operational safety, greatly increases the number of safe switching operations, and eliminates costly end-of-life disposal procedures. Eaton campaigns for SF₆-free switchgear to protect our environment.
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Compact switchgear with high flexibility

Xiria offers a high level of operational safety and is suitable for applications up to 24 kV. The Xiria product family is designed around Eaton’s proven vacuum interrupters, which require no maintenance and are certified for 30,000 operation cycles. All live parts in the available panels are single pole insulated. The used materials are shaped specifically to provide optimum insulation combined with excellent thermal characteristics. In addition, the insulation is configured to provide effective control over electric fields around the used components, thereby minimizing any risk of internal arcing. Within Xiria both the primary parts and the mechanisms are contained in a fully enclosed housing which protects the whole system against environmental influences.
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Explore our medium-voltage switchgears

Eaton's medium-voltage switchgear provides centralized control and protection of medium-voltage power equipment and circuits in industrial, commercial, and utility installations involving generators, motors, feeder circuits, and transmission and distribution lines. Find out more about each product below!

Specifications

Technical information

Xira Block type

Xiria block type dimensions
Xiria block type dimensions side view

Xira Expandable type

Xiria Expandable type dimensional drawing
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General

Rated voltage kV 3.6  7.2 12  17.5 24
Impulse withstand voltage kV 40 60 75/95 95 125
Power frequency withstand voltage kV-1m 10 20 28 / 38 / 42 38 50
Rated frequency Hz 50/60 50/60 50/60 50/60 50/60
Loss of service continuity   LSC2B LSC2B LSC2B LSC2B LSC2B
Partition class   PM PM PM PM PM
Internal Arc Classification (IAC)   AFLR AFLR AFLR AFLR AFLR
Internal arc resistance kA-s 20-1 20-1 20-1 20-1 20-1
Internal arc resistance with absorber kA-s 16-1 16-1 16-1 16-1 16-1
Internal arc resistance with cable compartment kA-s 16-1 16-1 16-1 16-1 16-1
Internal arc resistance with cable comp. alternative kA-s 20-1 20-1 20-1 20-1 20-1
Degree of protection in service   IP3X IP3X IP3X IP3X IP3X
Degree of protection with doors / covers open   IP2X IP2X IP2X IP2X IP2X
Ambient air temperature range °C -25 + 40 -25 + 40 -25 + 40 -25 + 40 -25 + 40
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Busbar system

Rated voltage kV 3.6  7.2 12  17.5 24
Rated short-time withstand current alternative kA-s 20-1 20-1 20-1 20-1 20-1
Rated short time withstand current alternative kA-s 20-3 20-3 20-3 20-3 20-3
Rated peak withstand current kA 50 50 50 50 50
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Load break switches

Rated voltage kV 3.6  7.2 12  17.5 24
Rated active load break current A 630 630 630 630 630
Rated short-circuit making current kA 50 50 50 50 50
Rated short-time withstand current kA-s 20-1 20-1 20-1 20-1 20-1
Rated short-time withstand current alternative kA-s 20-3 20-3 20-3 20-3 20-3
Rated cable charging breaking current A 31.5 31.5 31.5 31.5 31.5
Mechanical endurance class   M2 10,000x M2 10,000x M2 10,000x M2 10,000x M2 10,000x

Mechanical endurance class

as earth switch

   M0 M0 M0 M0 M0

Mechanical endurance class

disconnector

   M0 M0 M0 M0 M0
Electrical endurance class   E3 E3 E3 E3 E3
Electrical endurance class as earth switch   E2 E2 E2 E2 E2
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Circuit breakers

Rated voltage kV 3.6  7.2 12  17.5 24
Rated normal current A 630 630 630 630 630
Rated breaking current kA 20 20 20 20 20
Rated short-circuit making current kA 50 50 50 50 50
Rated capacivate switching current content   C2 C2 C2 C2 C2
Rated cable charging breaking current A 31.5 31.5 31.5 31.5 31.5
DC time constant msec 45 45 45 45 45
DC component % <20 <20 <20 <20 <20
Mechanical endurance class   M1 M1 M1 M1 M1
Mechanical endurance class as earth switch   M1 M1 M1 M1 M1
Mechanical endurance class disconnector   M0 M0 M0 M0 M0
Electrical endurance class   E2 E2 E2 E2 E2
Rated short-time withstand current kA-s 20-1 20-1 20-1 20-1 20-1
Rated short-time withstand current alternative kA-s 20-3 20-3 20-3 20-3 20-3
Minimum tripping time msec 80 80 80 80 80
Mechanism type O - 3 min - CO - 3 min - CO
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Fused load-break switch

Rated voltage kV 3.6  7.2 12  17.5 24

Fused in accordance

with IEC 60282-1

 kV 10/12 10/12 12 20/24 24
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Standards and regulations

Xiria medium voltage switchgear complies with the most recent IEC regulations:

  • IEC 62271-1 for high-voltage switchgear
  • IEC 62271-100 for the circuit-breakers
  • IEC 62271-102 for the change-over switches and earthing switches
  • IEC 62271-103 for the 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 36kV
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Xira medium voltage switchgear is certified for the following compliances:

  • ENA-TS
  • GOST
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Xiria production facilities comply with the following standards:

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