Air Break Switch Manufacturers in India - Transpower Switchgear Industries
Transpower Switchgear Industries is one of the leading air break switch manufacturers in India as well as prominent air break switch suppliers, exporters and traders in India. These are carefully crafted devices that utilize the dielectric strength of air to control the flow of electricity, delivering a visual and safe means of circuit interruption and isolation, particularly for medium to high voltage use.
In the delicate dance of electric power, where silky control and indomitable safety take precedence, there is a technology operating mostly under the radar but essentially indispensable. We are quenching using surrounding air makes them a handy and, in most cases, environmentally responsible solution.
Being as air break switch Traders in India. Imagine a crisp, clean discrimination wrought by the very air we breathe, rigidly cutting off the flow of electricity and providing a physical assurance of isolation. These are not the typical light switches; 200A 11 Kv Ab Male Female Switch are ruggedly constructed to hold up against high voltages and currents.
What is an Air Break Switch?
An air break switch is a type of electric switch that interrupts the flow of current by creating a visible gap in the air between its contacts when opened. The primary purpose of an air break switch is to provide a visible and reliable means of opening and closing electrical circuits, primarily for isolation and switching of loads.
Types of Air Break Switch
Being as air break switch manufacturers in India, different types are there which are given below.
- Gang-Operated Switch: These switches open or close all poles (phases) simultaneously by a single operating mechanism. This is crucial for high-voltage systems to ensure all phases of a multi-phase system are opened or closed together, maintaining safety and operational integrity.
- Vertical Break Switch: In this type, the moving contact arm breaks in a vertically upward direction, forming a vertical gap between the contacts to open the circuit. This arrangement typically provides effective visual isolation and is commonly used for isolating overhead lines.
- Center Break Switch: These switches utilize contact arms that recess horizontally away from a central pivot to interrupt the circuit in the middle. This design can sometimes result in a more compact and less mechanically complex frame compared to other types.
- Double-Break Switch: These switches interrupt the current flow at two points in each pole. The double break enhances the dielectric strength of the isolation and improves the interrupting ability more effectively due to the extra dielectric strength of the double gap.
- Single-Break Switch: These switches open the electrical circuit at only a single point per pole. They are less complex and lower in price, suitable for applications where voltage and current ratings are comparatively smaller, and demands on interruption performance are not very stringent.
Technical Specification of Air Break Switch
We have added below a technical sheet of air break switch in India that provides more technical information such as:
| Specification Category | Parameter | Typical/Advanced Values/Ranges | Notes | Electrical Characteristics | Rated Voltage Ur | 3.3 kV to 36 kV and sometimes higher for specific applications | Nominal system voltage for which the switch is designed. |
|---|---|---|---|
| Rated Current Ir | 400 A to 3150 A and beyond for specialized designs | Continuous current carrying capacity at specified conditions. | |
| Rated Short-Circuit Making Current Ima | 25 kA peak to 100 kA peak and higher | Peak value of the short-circuit current the switch can safely make. | |
| Rated Short-Time Withstand Current Ith | 16 kA rms to 63 kA rms for 1 or 3 seconds | RMS value of the short-circuit current the switch can withstand for a specified duration without damage. | |
| Rated Impulse Withstand Voltage Uimp | 40 kV peak to 170 kV peak | Peak value of the impulse voltage the switch can withstand without flashover. | |
| Rated Frequency | 50 Hz / 60 Hz | Operating frequency of the system. | |
| Mechanical Characteristics | Operating Mechanism | Motorized, Manual Spring Assisted, Pneumatic | Type of mechanism used to open and close the switch contacts. Motorized allows remote operation. |
| Number of Poles | 3-pole most common, 1-pole | Number of independently operated switching elements. | |
| Contact Material | Copper alloys e.g., CuCr, Silver alloys | Material used for the main contacts to ensure good conductivity and resistance to arc erosion. | |
| Insulation Material | Epoxy resin, Porcelain, UV-resistant polymers | Material used for insulating components of the switch. | |
| Mechanical Endurance | 10,000 to 20,000 operations or more | Number of mechanical opening and closing operations the switch can perform without failure. | |
| Environmental Characteristics | Ambient Operating Temperature | -25°C to +55°C or wider ranges for specific applications | Range of ambient temperatures within which the Load Break Switches can operate reliably. |
| Ingress Protection IP Rating | IP54, IP55, IP65 for outdoor versions | Degree of protection against solid objects and water ingress. | |
| Additional Features | Integrated Earthing Switch Optional | Rated Making/Breaking Capacity specified | Some ABS come with an integrated earthing switch for safe maintenance. |
| Auxiliary Contacts for signaling Optional | NO/NC contacts, rated voltage/current specified | Used for remote indication of the switch's position open/closed. | |
| Interlocks Mechanical/Electrical Optional | Specified interlocking schemes | Safety features to prevent incorrect operation e.g., preventing opening under load if not designed for it. | |
| Remote Monitoring Capabilities Optional | Position indication, current/voltage sensing interfaces | Features allowing remote supervision of the switch status and electrical parameters. |
Why Use an Air Break Switch?
Choose an air break switch suppliers in India because of its obvious visible isolation for safety, simpler construction and maintenance, and environmentally friendly and economical operation for load switching and isolation purposes.
Benefits of Air Break Switch:
Serve as air break switch suppliers in India, different benefits are there as per equipment’s and maintenance required which are given below.
- Visible Isolation: The primary advantage is the evident, visual space when the switch is left open, providing instant visual confirmation that the circuit is physically broken. This added safety for maintenance personnel allows them to visually observe the disconnect before working on equipment.
- Simpler Construction and Maintenance: Air break switches have a simpler mechanical structure than oil or vacuum circuit breakers. This often translates to simpler inspection, easier maintenance, and potentially a longer life with less complicated upkeep.
- Cost-Effective Alternative: For medium through high voltage applications where a high fault interruption capacity isn't the main requirement, air break switches with dropout fuses can be a more cost-effective solution compared to other switching equipment.
- Environmentally Friendly: These switches utilize air as the interrupting medium, meaning they don't employ oil or special gases. This makes them environmentally friendlier for certain applications, as it minimizes problems related to leakage or disposal of other insulating mediums.
- Reliable Operation: When used within their specified ratings, 3 Pole Air Break Switches ensure reliable operation for load switching and isolation. Their sturdy mechanical design contributes to dependable operation over their service life.
Applications of Air Break Switch:
As air break switch exporters in India, it is applied in different places which are given below.
- Load Switching on Distribution Systems: Air break switches are a preferred choice for load switching on medium-voltage distribution systems, such as disconnecting a feeder or sectioning the network for maintenance.
- Isolating Transformers and Reactors: In substations, these switches are frequently employed to isolate transformers, reactors, and other major equipment for maintenance or in fault conditions. The visible break ensures the equipment is safely de-energized from live busbars.
- Motor Control Centers (MCCs): Higher-rated air break switches are utilized in industrial MCCs to provide a main disconnect or switch large motor circuits for servicing. Their robust structure meets the demands of industrial applications.
- Switching Capacitor Banks: Air break switches, including Knee and Pantograph types, are used to switch capacitor banks for reactive power management. They can be adapted to fulfill the specific switching duties of capacitive loads.
- Earthing Switches: The mechanisms of air break switches are frequently used for earthing switches, providing a safe path to ground for isolated equipment prior to maintenance. This serves the crucial purpose of discharging any residual charge.
Transpower Switchgear Industries is the recommended air break switch manufacturers in India as well as notable air break switch traders, suppliers, exporters and service provider in India. These are dependable switching devices using air as the interrupting medium, offering the significant benefit of visible isolation. Because of our simplicity, economy, and environment-friendly characteristics, particularly for Centre Side Break Switches and insulation in distribution and industrial control applications. As air break switch traders in India for high fault current interruption, our role in ensuring safe and secure operation of electrical installations is essential.
FAQs:
To safely isolate electrical equipment or a circuit for maintenance or repair.
A conducting blade physically moves away from contacts, creating an air gap.
Visible isolation for safety, simple, cost-effective, low maintenance.
Always de-energize the circuit first, never operate under load, use PPE, and follow lockout/tagout.
