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Double Break Isolator/Disconnector

Double Break Isolator/Disconnector

Double Break Isolator/Disconnector

KP Green Engineering designs and manufactures high-performance Double Break Isolator Disconnector systems engineered for maximum reliability and long service life. Built to international standards, these isolators are essential for ensuring safe maintenance and isolation in high-voltage networks.

Our advanced Double Break Isolator Switch technology delivers precision, safety, and operational efficiency across a wide range of applications. As a trusted manufacturer of High Voltage Isolator Disconnector solutions, we cater to diverse substation and transmission requirements.

We specialize in designing Electrical Isolator for Substations that meet the highest quality and safety benchmarks, making us a preferred partner for utilities and industries. With expertise in HV Isolator Switchgear, we ensure seamless integration into power systems. Our robust designs include Outdoor Double Break Isolator models that withstand harsh environments, while our advanced Double break electrical disconnector solutions deliver unmatched durability and efficiency.

Product Specification

Parameter Specification
Standards IEC 62271-102: 2018
Design Double Break Centre Post Rotating
Voltage Rating 12 kV – 420 kV
Current Rating 200 – 3150 Amps
Short-Time Current Rating 16kA/1s to 50kA/3s
Operating Mechanism Motor Operated / Gear Operated / Handle Operated
Special Applications Underhung, Tandem, Vertical Mounting, Double Break with Double ES
Designed as Double Break Centre Post Rotating isolators
Wide operating voltage range: 12 kV to 420 kV
Current ratings from 200A to 3150A
Short-time withstand capacity from 16kA/1s up to 50kA/3s
Available with motor, gear, or manual handle operated mechanisms
Options for special applications such as underhung, tandem, vertical mounting, and double break with double ES
Manufactured in compliance with IEC 62271-102: 2018
High reliability with robust mechanical and electrical performance
Compact and modular design for ease of installation
Superior insulation and contact systems ensuring operational safety
Corrosion-resistant, weatherproof construction for outdoor environments
Customizable operating mechanisms for varied applications
Long service life with minimal maintenance requirements

Why Choose KP Green Engineering

India’s Trusted Double Break Isolator/Disconnector Manufacturer in India

KP Green Engineering is a trusted transmission line tower manufacturer, specializing in the design and fabrication of galvanized steel towers for power transmission infrastructure across India and global markets. Our towers are engineered to carry high-voltage conductors safely over long distances, with structural designs that endure mechanical loads, environmental stresses, and project-specific requirements. From suspension and tension towers to terminal and angle towers, our solutions support voltages from 33 kV up to 800 kV, ensuring reliability, performance, and long service life.

33 kV – 800 kV

Wide range of tower designs for all transmission voltage classes

Multiple Tower Types

Suspension, tension, terminal & angle towers for diverse power corridors

High-Tensile Steel

Fabricated with precision & hot-dip galvanized for corrosion resistance

Trusted by Utilities

Preferred partner for EPC contractors, SEBs & renewable evacuation projects

Applications Across Sectors

KP Green Engineering’s transmission line towers are deployed across diverse sectors, ensuring reliable power transmission and long-term performance in challenging environments.

Power Generation & Distribution
Power Generation & Distribution

Our towers support electricity evacuation from thermal, hydro, and renewable energy plants, enabling stable transmission to substations and urban, rural, and industrial grids.

Industrial & Manufacturing Zones
Industrial & Manufacturing Zones

Industrial-grade lattice towers are engineered for higher mechanical loads and voltage, ensuring a continuous electricity flow to heavy industrial complexes, refineries, and manufacturing plants.

Urban Projects
Urban & Infrastructure Projects

From city substations to metropolitan HVDC corridors, our lattice towers ensure electrical reliability while adapting to limited space and complex urban layouts.

Industries We Serve

Our solutions are trusted across diverse industries for their performance, reliability, and precision engineering.

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Renewables
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Power & Transmission
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Railways
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Urban & Rural Infrastructure
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Construction Infrastructure
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Telecommunication

Partner with us for durable, compliant transmission tower solutions.

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Quality & Certifications

KP Green Engineering is committed to excellence across every stage of production:

ISO 9001:2015 Certified

Consistent quality control and customer satisfaction across all operations.

Rigorous Testing

Consistent quality control and customer satisfaction across all operations.

Third-Party Inspection

We welcome independent agencies to validate our quality and maintain complete transparency.

Frequently Asked Questions

It ensures safe disconnection of electrical circuits for maintenance by providing a visible isolation point in substations.
Our isolators range from 12 kV to 420 kV and handle 200A to 3150A current ratings.
Yes, we manufacture Outdoor Double Break Isolator solutions designed to withstand harsh environmental conditions.
Yes, we design and manufacture isolators tailored to client specifications, including underhung, tandem, and vertically mounted applications.

Get in Touch

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