Automatic Changeover Switch: Ensuring Surge Protection
In the rapidly evolving landscape of the electricity distribution network of smart cities, reliable power distribution and surge protection are essential. One device that ensures seamless power transition and safeguards all our electrical appliances against power surges is the Automatic Changeover switch- Current Limiter (ACCL). Thus, it has become a crucial component of electrical fittings of any home, apartment, office, warehouse, factory or any building for that matter.
In this blog, we will delve into the technical specifications, advantages and applications of ACCL.
What is an Automatic Changeover Switch ACCL?

ACCL stands for Automatic Changeover – Current Limiter. It is a device designed to manage the power supply during voltage fluctuations, ensuring a smooth transition between the mains power and the backup power source. It acts as a surge protector, preventing power surges from damaging electrical equipment.
Why Should We Install an ACCL?
Installing Havells ACCL offers several advantages for both residential and commercial applications:
- Surge Protection: The built-in Surge Protection Device (SPD) shields electrical equipment from harmful power surges, extending their lifespan and preventing costly damages. For instance- It’s common to hear about the air-conditioner tripping since modern air conditioners, especially high-efficiency ones, typically contain electronic components that are easily damaged by power fluctuations. Thus, installing a SPD monitors the flow of electricity, and if the voltage spikes too high for safety, blocks the excess from reaching your equipment by either blocking it or shorting it to ground.
- Seamless Power Transition: The ACCL ensures smooth switching between the mains power and backup power source, minimizing downtime during power outages.
- Current Limiting: By regulating the current flow, the ACCL protects devices from overvoltage and undervoltage, reducing the risk of equipment failure.
- Increased Equipment Lifespan: The ACCL’s surge protection and current limiting capabilities significantly enhance the lifespan of connected devices, reducing maintenance and replacement costs.
Application of ACCL:
The ACCL is a versatile device that finds applications in various settings, including:
- Residential Buildings: Automatic Changeover Switches are vital for protecting household appliances, air-conditioners, electronics, and sensitive devices from power surges caused by lightning strikes or utility fluctuations.
- Commercial Establishments: Offices, hospitals, hotels, and other commercial spaces rely on the ACCL for surge protection and uninterrupted power supply to critical equipment, ensuring smooth business operations.
- Data Centers: ACCLs play a crucial role in safeguarding servers, networking equipment, and data storage systems from power fluctuations that can lead to data loss and equipment damage.
Thus, by investing in the Automatic Changeover Switch ACCL, users can enjoy the peace of mind that comes with robust surge protection and stable power supply.
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