220kV Outdoor Isolator

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220kV Outdoor Isolator

220kV Outdoor Isolator

The 220kV Outdoor Isolator from SPKN India is a robust and precision-aligned disconnector switch designed for 245kV system voltage applications. It is built for heavy-duty transmission substations, offering reliable and safe isolation of high-voltage circuits during maintenance and switching operations.

Manufactured in accordance with IEC 62271-102, this isolator is widely installed in India's power grid and exported to utility networks across the Middle East, Africa, and Southeast Asia.

Key Features of Isolator

Rated Voltage: 220kV

Highest System Voltage: 245kV

Rated Current: 800A / 1250A / 1600A / 2000A / 2500A / 3150A / 4000A

Galvanized steel structure for extreme weather conditions

High creepage distance for desert and industrial areas

Porcelain or Polymer Insulators for harsh environments

Available in Centre Break / Double Break / Vertical Break types

Fully motorized or manual operation with interlock provision

Type-tested and compliant with IEC 62271-102

Technical Specification

Parameter Specification
Rated Voltage 220kV
Highest System Voltage 245kV
Rated Current 800A / 1250A / 1600A / 2000A / 2500A / 3150A / 4000A
Break Type Centre / Double / Vertical Break
Insulator Type Porcelain / Polymer
Operation Manual / Motorized
Short-time Withstand 25kA to 50kA (1s or 3s)
Mechanical Life 2000 operations
Standard Compliance IEC 62271-102, IS Standards
Support Structure Lattice type / Pipe type
Isolator Connector Aluminium type
Interlocking Mechanism Castle Key / Padlock / Remote Interlock

Applications Where It’s Used

220kV Transmission Substations
Power Grid Corporation Projects
Ultra Mega Renewable Projects (Wind/Solar)
Railway Traction Power Supply Systems
Government SEBs & Global EPCs
MSETCL Substation
Solar Project
State Electricity Utility & Industrial Substations

Why Choose SPKN India?

India’s trusted brand for EHV isolators
Fully compliant with global standards and testing protocols
Experience in large-scale government & private transmission projects
ISO-certified manufacturing and full quality traceability
Preferred exporter to Saudi Arabia, Oman, Tanzania, Kenya, Nepal, Vietnam
Trusted support and after-sales service

220kV isolator manufacturer India | 245kV disconnector switch | heavy duty substation isolator | EHV switchgear exporter | IEC 62271-102 certified disconnector | India export brand isolators

Contact Now
Call : +91 9999501843
Email : spknindia@gmail.com
address : Plot No 7, Gurukul Ind/Area Faridabad - 121003, Haryana, India
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