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What We Do

Center Break

A Center Break Disconnector is a high-voltage electrical switching device that uses a self-wiping contact system with very low operating torque. It’s designed for power systems up to 420 kV, featuring simultaneous three-pole operation through a single mechanism, and has been rigorously tested for various conditions including ice breaking and seismic events, making it highly reliable for power distribution networks.

Features

  • Very low Operating Torque
  • Self-wiping contacts
  • Simultaneous operation of 3 poles by single operating mechanism up to 420 kV
  • Individual pole operation for 420 kV (if required)
  • Fully type tested as per IS 9921 and IEC-62271-102 Structure to suit requirements
  • Special tests successfully done for Ice breaking, Low ambient applications & Seismic

Components

  • Hamper Assembly
  • Support Insulator
  • Disconnector Base
  • Inter Stack Coupling Pipes
  • Inter phase Coupling Pipes
  • Support Structure
  • Operating Mechanism
  • Interlocks

12kV to 550kV

Rated Voltage

400A to 4000A

Rated Continuous Current

25kA to 63kA

Rated Short Time Withstand Current

Double Break

A Double Break Disconnector is a high-voltage switching device featuring turn-and-twist contacts with both vertical and horizontal terminal configurations. It’s characterized by its enclosed actuator assembly and flexible operation modes – allowing both simultaneous three-pole operation and individual pole control at 420 kV – and has been comprehensively tested for extreme conditions including ice breaking and seismic events.

Features

  • Turn and Twist Contacts
  • Vertical and Horizontal terminal take off.
  • Totally enclosed actuator assembly
  • Simultaneous operation of 3 poles by single operating mechanism up to 420 kV
  • Individual pole operation for 420 kV (if required)
  • Fully type tested as per IS 9921 and IEC-62271-102 Structure to suit requirements
  • Special tests successfully done for Ice breaking, Low ambient applications & Seismic

Components

  • Rotating Hamper Assembly
  • Inter phase Coupling Pipes
  • Fixed Contact Assemblies
  • Support Structure
  • Support Insulators
  • Operating Mechanism
  • Disconnector Base
  • Interlocks

12kV to 550kV

Rated Voltage

400A to 4000A

Rated Continuous Current

25kA to 63kA

Rated Short Time Withstand Current

Pantograph

A Pantograph Disconnector is a space-efficient high-voltage switching device characterized by its low civil engineering profile and unique trapeze contact system with 4-point fixed contacts. It features a scissor-style assembly with multi-finger hinge contacts for current transfer and offers flexibility in busbar layouts while meeting international standards for electrical safety and performance.

Features

  • Very low civil engineering profile
  • Trapeze contact fixing to suit upper bus arrangement
  • 4 Point fixed contacts.
  • Available for flexible / right busbar layouts
  • Current transfer through multi-finger hinge contacts
  • Meets IS-9921 and IEC-62271-102 standards
  • Individual pole operation
  • Structure to suit requirements

Components

  • Trapeze Contact
  • Scissor Assembly
  • Main Frame Assembly
  • Support Insulators
  • Operating Rod Insulator
  • Support Structure
  • Operating Mechanism
  • Interlocks

123kV to 550kV

Rated Voltage

Up to 4000A

Rated Continuous Current

Up to 63kA

Rated Short Time Withstand Current

Knee Type

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Features

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Components

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765kV

Rated Voltage

3150A

Rated Continuous Current

50kA

Rated Short Time Withstand Current

Vertical Break

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Features

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Components

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2kV to 72.5kV

Rated Voltage

Up to 4000A

Rated Continuous Current

Up to 40kA

Rated Short Time Withstand Current

R3

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Benefits

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Spare Part Services

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Product Training

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Benefits

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Supervision

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Benefits

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