Electrical Isolator Manufacturers in Mumbai – Transpower Switchgear Industries

Electrical Isolator Manufacturers in Mumbai
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Transpower Switchgear Industries is one of the leading electrical isolator manufacturers in Pune as well as prominent electrical isolator suppliers, traders, and exporters in Mumbai. We are providing high-quality and new technological electrical isolator which is mechanical device or switch used to completely disconnect a specific part of an electrical circuit from power source.

It also acts as a safety mechanism to ensure that the isolated section is completely de-energized during maintenance and repairs. The primary role of these electrical isolators is to enhance manual safety by eliminating any residual voltage or current in the isolated sections. They are extensively used in industrial environments, substations, and electrical distribution systems to isolate equipment for servicing or repairs.

Types of our Electrical Isolator

As leading electrical isolator manufacturers in Mumbai and electrical isolator suppliers in Mumbai, we are offering new technological electrical isolator which gives the highest performance such as:

  • Double Break Type Isolator: Our new technological double break type isolator has two types of breaking points in each phase and helps in enhancing safety and more reliability. It has three insulators such as two fixed and one moving. When the isolator is operated, the moving contact separates from the fixed contacts, ensuring a clear and visible disconnection. It is majorly used in transmission and distribution substations.
  • Bus Side Isolator: A Bus Side Isolator is used to isolate a specific section of a busbar system in a substation. It ensures that maintenance can be performed safely on a particular bus section without affecting the entire power network. These are installed near busbars in substations and help in sectionalizing busbars for maintenance and are available in single or double break designs.
  • Pantograph Type Isolator: A Pantograph Type Isolator has a unique design where the moving contact moves in a scissor-like manner (similar to a pantograph mechanism). This type is widely used in high-voltage substations and railways. It has a compact design and provides a clearer and more visible break and ensures fast operation with a minimum kind of effort. These are highly used in high-voltage transmission lines.
  • Single Break Type Isolator: Our single break type isolator has only one break per phase and makes it simpler as compared to a double-break isolator. The isolator consists of a fixed and a moving contact that separate during the isolation process. It has a simpler design and fewer components and is suitable for use in medium to high-voltage systems. These are highly used in outdoor installations.
  • Line Side Isolator: A Line Side Isolator is installed on the transmission line side to isolate the line from the substation for maintenance purposes. It prevents back-feed currents from entering the station when maintenance is in progress. These are placed at the entry or exit point of transmission lines and majorly used in high-voltage substations.
Double Break Type Isolator
Double Break Type Isolator
Single Break Type Isolator
Single Break Type Isolator
Pantograph Type Isolator
Pantograph Type Isolator
Bus Side Isolator
Bus Side Isolator
Line Side Isolator
Line Side Isolator
Maintenance Electrical Isolator
Maintenance Electrical Isolator

Technical Specifications

Below, we have listed down technical information about our Electrical Isolator in India and its types such as:

Parameter Double Break Type Isolator Single Break Type Isolator Pantograph Type Isolator Bus Side Isolator Line Side Isolator Maintenance Isolator
Operating Voltage (kV) 11kV – 800kV 11kV – 245kV 132kV – 800kV 11kV – 800kV 33kV – 800kV 11kV – 400kV
Current Rating (A) 400A – 4000A 400A – 3150A 1000A – 6300A 400A – 4000A 400A – 3150A 400A – 2500A
Short Circuit Current Rating (kA, 1s) 25kA – 63kA 16kA – 50kA 25kA – 63kA 25kA – 50kA 16kA – 50kA 16kA – 40kA
No. of Breaks per Phase 2 1 1 (Pantograph Arm) 1 or 2 1 1 or 2
Contact Type Knife/Blade Type Blade Type Scissor/Pantograph Contact Blade Type Blade Type Blade Type
Operating Voltage (kV) 11 – 800 11 – 245 132 – 800 11 – 800 33 – 800 11 – 400
Current Rating (A) 400 – 4000 400 – 3150 1000 – 6300 400 – 4000 400 – 3150 400 – 2500
Short Circuit Current (kA, 1s) 25 – 63 16 – 50 25 – 63 25 – 50 16 – 50 16 – 40

Features and Benefits of Using Our Electrical Isolator

Being the best electrical isolator suppliers and exporters in Mumbai, our all types of electrical isolators are made with multiple types of features and give certain benefits such as:

  • Advanced Insulation Systems: Made from porcelain or polymeric insulators with excellent mechanical strength and weather resistance.
  • Self-Cleaning Insulators: Advanced polymeric materials reduce dust and pollution-related flashovers.
  • Motorized & Remote Control Options: Enables both manual and SCADA-based remote operation, enhancing automation and control.
  • Short-Circuit Withstand Capacity: It can handle fault currents up to 63kA for 1 second, ensuring durability during electrical faults.
  • Compact & Space-Saving Designs: Pantograph isolators are designed for high-voltage substations with limited space.
  • Superior Contact Materials: Uses copper, silver-plated copper, or aluminium alloy for better conductivity and minimal resistance.
  • Multiple Breaking Mechanisms: Included with single break, double break, and pantograph for various operational needs.
  • High Voltage & Current Ratings: These are available for 11kV to 800kV systems, handling currents up to 6300A.

Applications of Our Electrical Isolator

Our all types of electrical isolators are majorly used in multiple types of application such as:

  • High-voltage power transmission and distribution systems
  • Medium-voltage electrical substations for grid isolation
  • Renewable energy solar farms and wind power plants
  • Battery storage integration for smart grid systems
  • Railway overhead traction line disconnection systems
  • Metro and tram electrification network safety isolation
  • Smart grid automation with SCADA-based isolators
  • Industrial power distribution and heavy machinery isolation
  • Oil, gas, and petrochemical hazardous area substations
  • Mining industry high-voltage power supply systems

As a reputed electrical isolator manufacturers, suppliers, traders, and exporters in Mumbai, we as Transpower Switchgear Industries are providing the new technological electrical isolators. These electrical isolators are usually used for disconnect a specific part of an electrical circuit from power source. We have used high quality of material in these electrical isolators which is more durable for using them in outside environmental industries also. It has high voltage and current ratings with safety standards. For more information, contact us today!

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