Name: Double Break Isolator/Disconnector
Brand: KP Green Engineering

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.

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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 manufacturer of Double Break Isolators/Disconnectors, engineered for safe and reliable circuit isolation in substations, switchyards, and high-voltage networks. Our double-break centre-post rotating design is built to IEC 62271-102:2018 standards, covering a wide voltage range of 12 kV to 420 kV and current ratings up to 3150 A. With motor, gear, or handle-operated mechanisms and configurations for underhung, tandem, vertical mounting, and double-break with double earth switch applications, our isolators deliver dependable, low-maintenance performance across demanding industrial and utility environments.

12 kV – 420 kV

Wide voltage range for substation & switchyard isolation

Up to 3150 A

High current rating with 16kA/1s–50kA/3s short-time withstand

Motor / Gear / Handle Operated

Flexible operating mechanisms for every project need

IEC 62271-102:2018 Certified

Tested and manufactured to international standards

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

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-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 & Infrastructure Projects

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