Product Overview
Reliable Indoor Disconnector Switch from a Reliable Manufacturer and Factory Supplier
The GN19 indoor high-voltage disconnector switch is designed to provide an isolation point that can be seen inside the HV circuits, ensuring safe maintenance and unambiguous separation of circuits. Simple in design, the single- or double-column structure is easy to install and can be operated either manually, electrically or pneumatically.
Applications & circuit protection
The GN19 disconnector is utilized in indoor switchgear rooms, substation facilities and OEM boxes where dependable and visible isolation of circuits and equipment is required.
- Switchgear rooms: Isolation of the feeders and busbars.
- Substation: Isolation of the power for mounting and testing.
- Industrial plants: Safely isolating the high voltage equipment.
- OEM boxes: Building it into the switchgear assemblies.
Construction & operating reliability
The GN19 is designed using a straightforward and durable framework, consisting of a base, post insulators, and conductors, ensuring its safe operation with low operating torque.
- It has a suit of either single-column or double-column design that is simple and easy to install.
- It operates with a manual, electrical, or pneumatic system.
- It has low operating torque and smooth operation.
- It is equipped with a visible break for increased maintenance safety.
- Offered in voltage classes ranging from 3kV to 35kV with 400A to 2000A current ratings.
Technical Parameter
| Parameter | Value |
| Rated voltage | 3 / 6 / 10 / 35 kV |
| Rated current | 400 / 630 / 1000 / 1250 / 1600 / 2000 A |
| Rated short-time withstand current | 12.5 – 50 kA |
| Rated peak withstand current | 31.5 – 125 kA |
| Power-frequency withstand (1 min) | 42 – 95 kV phase-to-ground |
| Lightning impulse withstand | 75 – 185 kV phase-to-ground |
| Operating mechanism | Manual / electric / pneumatic |
| Standard | IEC 62271 / GB 1985 |
Circuit Breaker Price & Factory Quote
The cost of a breaker is determined by its voltage, current, capacity, mechanism and total volume. We, as manufacturers of Indoor Disconnector Switches, give best price from factory with quantity discounts.
- Standard models with factory prices
- Special mechanisms and CT options quoted separately
- The price of container quantity orders
Breaker Wiring & Control Connection
Power terminals are utilized to connect the circuit breaker whereas control terminals allow open and close signals to pass through. Supply company sends diagrams and markings for the Indoor Disconnector Switch.
- All main power terminals have been marked as per the drawings.
- All control circuits are loom tested.
- Auxiliary indication contacts have been provided.
Compare Breaker Options
Select the right breaker for your duty:
| Feature | This Breaker | Alternative |
| Voltage | As specified | Other classes available |
| Breaking | Per model | Higher breaking on request |
| Mechanism | Spring / magnetic per model | Manual or motor operation |
| Mounting | Indoor / outdoor per model | Pole or panel mounting |
Export Markets & Country Compatibility
Utilities and distributors in Southeast Asia, the Middle East, Africa, Latin America, and South Asia are sold the Indoor Disconnector Switch. The ratings, operating mechanism, and certification match the requirements of the destination market.
Breaker Dimensions, Weight & Packing
The design parameters of a breaker are determined by voltage classification and type of operation. The pole-mounted units are compact and lightweight for convenient installation, while the indoor versions come complete with all necessary facilities for assembly on the panels. The specifications of dimensions and weight are established based on the drawings specified in the order.
- Dimensions specified in the model design
- Mechanism immobilized and poles covered for transportation
- Required accessories supplied
Standards & certifications
The GN19 disconnector is produced according to IEC 62271 and GB 1985 standards and the documentation is available for project approval.
- Design standard: IEC 62271 / GB 1985.
- Insulation levels are applicable for 3–35kV systems.
- Mechanical operations are approved for multiple operations.
- Fit for use in an indoor switchgear.
OEM & B2B supply support
Subian Electric is a specialized manufacturer and factory supplier of power equipment, specializing in disconnector switches for both manufacturers of switchgears, utilities, and distributors alike. We not only offer various samples but also a complete technical backup.
For other ratings and operating mechanisms, please contact us with your specific voltage, current, quantity and destination market.
- Samples are available for evaluation tests.
- Flexible quantities are available for B2B procurement and project work.
- OEM / ODM assistance is available.
- Custom marking and packaging can be provided.
- Technical papers and certification assistance are also available.
Frequently Asked Questions
What is the GN19 disconnector used for?
It provides a break in electric circuits for indoor high voltage applications so that circuits can be shut down for repairs or testing.
What ratings are available?
There are voltage ratings of between 3kV and 35kV and current ratings of between 400A and 2000A, with short circuit ratings of up to 50kA.
Can it be motor operated?
Yes. Manual, electric, and pneumatic operation will be offered according to the model’s specifications.
Do you support switchgear OEMs?
Yes, we provide OEM manufacturers and distributors of switchgear with customized services and documentation worldwide.
