As a former electrical isolator manufacturers and suppliers in Australia, we are
offering new technological electrical isolator which gives the highest performance
such as:
- Our team of skilled engineers utilizes the latest technology and engineering
practices to design electrical isolators that meet international standards. We
focus on innovation and efficiency, ensuring our products are at the forefront
of the industry
- We understand that the longevity and performance of electrical isolators depend
on the materials used. That’s why we source premium-grade materials that can
withstand harsh environmental conditions, ensuring durability and reliability in
all our products.
- Our electrical isolators undergo rigorous testing protocols to validate their
performance, including electrical, mechanical, and environmental tests. This
guarantees that our products can perform under various operational conditions.
Types of our Electrical Isolator
As trusted high-quality electrical isolator suppliers and exporters in Australia, we cater to
both domestic and international markets. Our products are designed to meet the needs of
various sectors, including industrial, commercial, and residential applications.
-
Double Break Type Isolator: Our new technological double break type
isolator has two types of breaking points in each phase and helps for 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.
-
Single Break Type Isolator: Our single break type isolator has only
one break per phase and makes it simpler as compared to double-break isolator. The
isolator consists of a fixed and a moving contact that separate during the isolation
process. It has simpler design and fewer components and suitable for using in medium
to high-voltage systems. These are highly used in outdoor installations.
-
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 compact design and provides clearer and more visible break and
ensures fast operation with minimum kind of efforts. These are highly used in
high-voltage transmission lines.
-
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 helps in sectionalizing
busbars for maintenance and available in single or double break designs.
-
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.
Technical Specifications
Below, we have listed down technical information about our Electrical Isolator 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 manufacturers suppliers and exporters in Australia, our
all
types of electrical isolators are made with multiple types of features and gives certain
benefits such as:
- High Voltage & Current Ratings: These are available for 11kV to
800kV systems, handling currents up to 6300A.
- Multiple Breaking Mechanisms: Included with single break, double
break, and pantograph for various operational needs.
- Short-Circuit Withstand Capacity: It can handle fault currents up
to 63kA for 1 second, ensuring durability during electrical faults.
- Superior Contact Materials: Uses copper, silver-plated copper, or
aluminium alloy for better conductivity and minimal resistance.
- Advanced Insulation Systems: Made from porcelain or polymeric
insulators with excellent mechanical strength and weather resistance.
- Motorized & Remote Control Options: Enables both manual and
SCADA-based remote operation, enhancing automation and control.
- Compact & Space-Saving Designs: Pantograph isolators are designed
for high-voltage substations with limited space.
- Self-Cleaning Insulators: Advanced polymeric materials reduce dust
and pollution-related flashovers.
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
Australia, 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!