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Surge Protection Devices (Spd)

Showing 40 out of 1337 products

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₹35,399 - ₹35,399
L&T [ Lauritz Knudsen ] Surge Protection Devices (SPD) are essential components designed to safeguard electrical systems and equipment from transient overvoltages, typically caused by lightning strikes or electrical faults. These devices are meticulously engineered to provide robust protection by diverting excess voltage away from sensitive components, thereby preventing potential damage and ensuring operational continuity. L&T's SPDs are built to meet stringent industry standards, ensuring reliability and performance in various environments. The SPDs feature a compact and modular design, making them easy to install and integrate into existing electrical systems. They offer a high discharge capacity, ensuring that even significant surges are effectively managed. Additionally, L&T SPDs come equipped with visual indicators and remote signaling capabilities, allowing for real-time monitoring and maintenance, which is crucial for maintaining system integrity and reducing downtime. L&T's commitment to quality is evident in the rigorous testing and certification processes that each SPD undergoes. These devices are designed to provide long-lasting protection, with components selected for durability and resilience under extreme conditions. The range of SPDs available caters to diverse application needs, from residential and commercial buildings to industrial facilities and critical infrastructure. By incorporating L&T Surge Protection Devices, users can significantly enhance the safety and longevity of their electrical systems. The devices not only protect valuable equipment but also ensure the safety of personnel and reduce the risk of costly downtime and repairs.
green checkType of Product : Surge Protection Devices (SPD)
green checkApplication : Electrical
₹12,390  
A CITEL Surge Protection Relay, for 3P+N, 415 V AC, DS44-320 can result from lightning strikes, switching operations, or other disturbances in the power supply. The primary function of a surge protection relay is to detect abnormal voltage levels and respond by diverting or suppressing the surge to prevent damage to connected equipment. Here are key features and considerations related to surge protection relays: Voltage Monitoring: Surge protection relays continuously monitor the voltage levels in the electrical system. When a surge is detected, the relay responds by activating protective measures. Fast Response Time: A critical feature of surge protection relays is their fast response time. They need to quickly detect and respond to voltage surges to prevent damage to sensitive equipment. Diversion or Absorption: Surge protection relays typically employ methods to divert or absorb the excess energy caused by a surge. This may involve using surge arresters, metal oxide varistors (MOVs), or other technologies. Adjustable Settings: Many surge protection relays have adjustable settings to allow users to customize the response thresholds based on the specific requirements of their electrical systems. Remote Monitoring: Some advanced surge protection relays may offer remote monitoring capabilities. This allows users to monitor the status of the protection system and receive alerts about potential issues. Integration with Electrical Panels: Surge protection relays are often integrated into electrical panels or switchgear to provide localized protection for connected equipment. Modular Systems: In certain applications, surge protection relays are part of modular systems that can be expanded or modified based on the changing needs of the electrical system. Coordinated Protection: Surge protection relays are often part of a coordinated protection strategy that includes other protective devices such as circuit breakers, fuses, and grounding systems. Compliance with Standards: Surge protection relays are designed to comply with industry standards and regulations related to electrical safety and protection. Applications: Surge protection relays are used in various applications, including industrial facilities, power distribution systems, telecommunications, and residential settings to protect electronic equipment, appliances, and sensitive devices. Grounding Considerations: Effective grounding is crucial for the proper functioning of surge protection relays. Proper grounding helps ensure that excess energy is safely redirected to the ground. Maintenance and Testing: Periodic maintenance and testing of surge protection relays are important to ensure their continued effectiveness. This may involve visual inspections, functional tests, and, if necessary, replacement of components. Surge protection relays play a crucial role in safeguarding electrical and electronic systems from the damaging effects of voltage surges. When implementing surge protection measures, it's essential to consider the specific requirements of the application and adhere to industry standards and guidelines.
₹16,519 - ₹34,219
L&T [ Lauritz Knudsen ] Surge Protection Devices (SPD) are essential components designed to safeguard electrical systems and equipment from transient overvoltages, typically caused by lightning strikes or electrical faults. These devices are meticulously engineered to provide robust protection by diverting excess voltage away from sensitive components, thereby preventing potential damage and ensuring operational continuity. L&T's SPDs are built to meet stringent industry standards, ensuring reliability and performance in various environments. The SPDs feature a compact and modular design, making them easy to install and integrate into existing electrical systems. They offer a high discharge capacity, ensuring that even significant surges are effectively managed. Additionally, L&T SPDs come equipped with visual indicators and remote signaling capabilities, allowing for real-time monitoring and maintenance, which is crucial for maintaining system integrity and reducing downtime. L&T's commitment to quality is evident in the rigorous testing and certification processes that each SPD undergoes. These devices are designed to provide long-lasting protection, with components selected for durability and resilience under extreme conditions. The range of SPDs available caters to diverse application needs, from residential and commercial buildings to industrial facilities and critical infrastructure. By incorporating L&T Surge Protection Devices, users can significantly enhance the safety and longevity of their electrical systems. The devices not only protect valuable equipment but also ensure the safety of personnel and reduce the risk of costly downtime and repairs.
green checkType of Product : Surge Protection Devices (SPD)
green checkApplication : Electrical
₹48,379 - ₹50,739
The Siemens 240/415V 3 Pole Surge Arrester, part of the 5SD746 series, is an advanced protective device designed to safeguard electrical systems against voltage surges and transients. Built to meet the highest industry standards, this Type 2 surge arrester offers reliable protection for sensitive equipment, machinery, and electronic devices connected to the power grid. Featuring a robust construction and innovative technology, the surge arrester efficiently dissipates excess voltage to ground, preventing damage to valuable assets and ensuring uninterrupted operation. Its three-pole configuration enables comprehensive protection across multiple phases, enhancing the resilience of the entire electrical network. With a voltage rating of 240/415V, this surge arrester is suitable for a wide range of applications, including industrial, commercial, and residential environments. Whether installed in distribution panels, control cabinets, or other critical points within the electrical infrastructure, the 5SD746 series offers peace of mind by mitigating the risks posed by lightning strikes, switching operations, and other transient events. Engineered for durability and performance, Siemens surge arresters undergo rigorous testing and quality assurance processes to deliver superior reliability and long-term operation. As an essential component of modern electrical systems, the Siemens 240/415V 3 Pole Surge Arrester sets the standard for surge protection, safeguarding assets and ensuring operational continuity in today's dynamic environments.
green checkType of Product : Surge Arrester Type 2
green checkVoltage : 240/415V
green checkSuitable For : For TN-C system
green checkBackup Fuse Rating : 80A gLigG
green checkPole Type : 3 Pole
green checkProtection Level : <1.5kV
₹23,599 - ₹25,959
The Siemens 2 Pole Surge Arrester Type 3, 5SD743 Series is a cutting-edge solution designed to protect electrical installations and devices from transient overvoltage events, commonly known as surges. These surges can occur due to lightning strikes, switching operations, or other external factors, posing a significant risk to sensitive equipment. With its two-pole configuration, this surge arrester provides enhanced protection for both phase and neutral conductors, ensuring comprehensive safeguarding against voltage spikes. The Type 3 designation indicates its capability to handle surges originating from within the installation, making it suitable for various applications, including residential, commercial, and industrial settings. The 5SD743 Series incorporates advanced technologies and high-quality materials to deliver reliable performance and long-term durability. Its compact design allows for easy installation in various electrical distribution systems, minimizing space requirements while maximizing protection. Key features of the Siemens 2 Pole Surge Arrester include robust construction, reliable operation, and compliance with international standards for surge protection. It offers peace of mind to users by mitigating the risks associated with voltage transients, ensuring the uninterrupted operation of critical equipment and preventing costly downtime and damage.
green checkType of Product : Surge Arrester Type 3
green checkRated Current (A) : 26A
green checkPole Type : 2 Pole
₹730  
The NISAN PVC Earth Pit Cover, model 390211, is a versatile and reliable solution crafted to protect earth pits in a variety of industrial and commercial applications. Constructed from high-quality polyvinyl chloride (PVC), this cover offers a durable and corrosion-resistant shield, ensuring the longevity and optimal performance of grounding systems while preventing unauthorized access. Exemplifying NISAN's commitment to quality, the model 390211 features a design that combines strength with the lightweight and chemical-resistant properties of PVC. This material not only provides robust protection against corrosion, rust, and harsh environmental conditions but also ensures ease of handling during installation and maintenance due to its lightweight nature. As a critical component in grounding system protection, the earth pit cover effectively prevents the intrusion of debris, moisture, and foreign objects into the earth pit, preserving the integrity of the grounding infrastructure. The cover is precision-engineered to securely fit, creating a sealed enclosure that minimizes the risk of contaminants compromising the functionality of the earth pit. Beyond its protective capabilities, the PVC earth pit cover enhances safety by restricting access to the grounding system, reducing the likelihood of accidental contact, and contributing to overall site security. Its durable construction ensures a prolonged service life, minimizing the need for frequent replacements and maintenance and promoting cost-effectiveness in the long run. In summary, the NISAN PVC Earth Pit Cover, model 390211, stands as a dependable and adaptable choice for safeguarding earth pits. With its PVC construction and thoughtful design, this cover plays a vital role in preserving the effectiveness and safety of grounding systems across diverse industrial and commercial settings.
₹872  
The NISAN FRP Earth Pit Cover, model 390211, represents a durable and reliable solution for safeguarding earth pits in various industrial and commercial settings. Fabricated from high-quality Fiberglass Reinforced Plastic (FRP), this cover offers a robust protective barrier for ground electrodes, ensuring their longevity and functionality while preventing unauthorized access or damage. Measuring up to the high standards set by NISAN, the model 390211 boasts a design that combines strength with lightweight characteristics inherent to FRP. This material not only renders the cover resistant to corrosion, rust, and weathering but also provides a high strength-to-weight ratio, making it easy to handle during installation and maintenance. The earth pit cover serves a crucial role in protecting the grounding system components from environmental elements and physical damage. It prevents debris, moisture, and foreign objects from compromising the integrity of the earth pit, ensuring the reliable performance of the grounding system over time. The model 390211 is designed to fit securely, creating a sealed enclosure that minimizes the risk of contaminants infiltrating the earth pit. Moreover, the cover enhances safety by restricting access to the grounding infrastructure, preventing accidental contact and promoting a secure working environment. Its durable construction ensures a long service life, reducing the need for frequent replacements and maintenance. In summary, the NISAN FRP Earth Pit Cover, model 390211, stands as a robust and dependable choice for protecting earth pits in diverse applications. Its FRP construction, coupled with thoughtful design considerations, makes it an essential component in maintaining the integrity and effectiveness of grounding systems while ensuring the safety and security of personnel and equipment in the surrounding area.
₹4,837 - ₹15,339
The Siemens Surge Arrester Type 2, designated as 5SD746--RC, is a robust device engineered to safeguard electrical systems against transient overvoltages, commonly induced by lightning strikes or switching operations. Designed with precision and adherence to stringent safety standards, this surge arrester provides reliable protection for residential, commercial, and industrial applications. With its Type 2 classification, the surge arrester is adept at handling moderate overvoltage events, offering a high level of protection for sensitive equipment and electrical installations. Its advanced design incorporates cutting-edge technology to swiftly divert excess voltage to ground, thereby preventing damage to connected devices and ensuring uninterrupted operation of critical systems. The 5SD746--RC surge arrester boasts durable construction and superior performance characteristics, making it suitable for deployment in diverse environments with varying voltage requirements. Its compact form factor and easy installation further enhance its appeal, facilitating seamless integration into existing electrical setups. Equipped with Siemens' renowned reliability and backed by comprehensive testing and certification processes, this surge arrester delivers peace of mind to users, assuring them of robust protection against transient overvoltages and the associated risks of equipment damage, downtime, and safety hazards.
green checkType of Product : Surge Arrester Type 2
green checkStandard : IEC 61643-11
green checkRemote Status : No
₹29,499 - ₹57,819
The Siemens Lightning Surge Arrester Type 1, 5SD741--RC is an advanced protective device designed to safeguard electrical systems against the damaging effects of lightning strikes and voltage surges. Engineered with precision and reliability in mind, this surge arrester offers cutting-edge technology to ensure the uninterrupted operation of critical electrical infrastructure. Featuring robust construction and high-quality materials, the 5SD741--RC provides exceptional durability and longevity, capable of withstanding harsh environmental conditions. Its Type 1 classification signifies its ability to effectively manage high-energy surges, commonly associated with direct lightning strikes. Equipped with state-of-the-art circuitry and surge suppression mechanisms, this surge arrester rapidly dissipates excess voltage, diverting harmful currents away from sensitive equipment and preventing costly damage and downtime. Its responsive design reacts swiftly to transient events, offering instantaneous protection to connected devices and systems. The 5SD741--RC surge arrester is engineered to meet the stringent safety standards and performance requirements demanded by modern electrical installations. Whether deployed in industrial facilities, commercial buildings, or critical infrastructure installations, this device provides peace of mind, ensuring the integrity and reliability of electrical systems in the face of unpredictable electrical disturbances.
green checkType of Product : Lightning Surge Arrester Type 1
green checkStandard : IEC 61643-11
green checkRemote Status : Yes
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₹44,099 ₹54,600
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Top Selling Surge Protection Devices (Spd) Products Price List for June 2026

Product Name Specifications Expected Price Dispatch Time Discount
Schneider IPRD8 modular surge arrester 1P + N 350V A9L08500 Rated Operational Voltage 350 V | Rated Voltage 230 V ₹12,484 60 days --
Siemens 240/415V AC 3Pole+N Surge Arrester Type 2 5SD74640RC Module Width 4 | Pole Type 3Pole+N ₹14,320 60 days --
Sibass Single Phase 2 Pole Surge Protection Device, SE-C40 Part No SE-C40 | Phase Single Phase ₹2,831 6 days --
RS PRO Industrial Surge Protector DIN Rail Mount 250 V Voltage 20 kA 18 mm Length, 101751 Depth 73.5 mm | Length 18 mm ₹16,519 24 hrs --
This data was last updated on 29/06/2026

A Small Guide To Buy Surge Protector

A surge protection device (SPD) is an electrical device that is designed to protect electrical equipment and appliances from voltage spikes or surges that can occur in a power supply. These surges can be caused by lightning strikes, power outages, or other electrical disturbances. There are different types of SPDs available, including plug-in surge protectors, whole-house surge protectors, and surge protection strips. It's important to pick the right type of surge protector for your needs and to ensure that it meets the necessary safety standards.

What are surge protection devices?

a. These devices are electrical tools designed to protect your electronic devices from damage caused by sudden voltage spikes.

b. Our selection of these devices includes high-quality products from trusted brands to ensure the best protection for your investment.

c. With our devices, you can have peace of mind knowing that your electronic devices are safe from voltage spikes.

What are the parts of surge protection devices?

1. They are designed to protect electronic devices from power surges, which are sudden increases in electrical voltage that can damage or destroy electronic equipment. To do this, protection devices include several components:

2. MOV (metal-oxide varistor): The MOV is the primary component in most  protection devices. It is a type of resistor that is designed to absorb and dissipate surges by converting the excess electrical energy into heat. MOVs are very effective at protecting against high-voltage surges, but they can wear out over time and become less effective.

3. Gas tube arrestor: The gas tube arrestor is another component that is often included in protection devices. It provides backup protection in case the MOV fails or is overloaded. The gas tube arrestor is a type of gas-filled tube that is designed to conduct electricity when a surge occurs, diverting the excess energy away from the protected equipment.

4. Diode: The diode is responsible for preventing power from flowing back into the electrical system. When a surge occurs, the diode allows power to flow into the surge protection device but blocks it from flowing back into the electrical system. This helps to prevent further damage to the protected equipment.

5. Other components that may be included in protection devices include capacitors, inductors, and fuses.

6. If you're looking for a protector for your PC or TV, it's important to choose a device that is appropriate for the specific equipment you are protecting. Look for protectors with a high joule rating and a low clamping voltage, as these are indicators of an effective protection device. For the best protector for a PC or TV, check out the selection on our website, which also offers switchgear and accessories.

How do these devices work?

Surge Protection Devices (SPDs) are essential in safeguarding your electronic devices from damage caused by electrical surges. These surges can occur due to lightning strikes, power outages, or other electrical events. SPDs work by diverting excess voltage away from your devices and into a grounding wire, which can be safely dissipated. Here's how the process works:

a. They continuously monitor the incoming electrical current.

b. When a power surge  is detected, the device triggers a mechanism that redirects the excess voltage to the grounding wire.

c. The grounding wire is a safe channel to absorb and dissipate the excess voltage.

d. Once the surge is diverted, the SPD restores the normal voltage level to your devices.

Overall, they are essential in preventing damage to your valuable electronic equipment. You can find high-quality SPDs at Industrybuying, along with other electrical accessories and components.

What are the types of surge protection devices?

a. Surge Protector protects electronic devices and appliances from power surges caused by lightning strikes, power outages, and other factors.

b. There are three main types of SPDs available in India:

c. Plug-in protectors, which offer basic protection for individual devices and plug directly into an outlet.

d. Whole-house protectors, are installed at the electrical panel and offer protection for all devices in the house.

e. Portable protectors, are designed for use on the go and can be used to protect mobile devices in hotels, airports, and other locations.

f. It's important to select the right type of SPD based on your specific needs and equipment.

g. We offer a variety of SPD types, including SPD, at competitive surge protective device prices.

h. Pairing your SPD with a circuit breaker can provide additional protection and safety.

i. Investing in a surge protection device is a wise decision to protect your equipment and ensure uninterrupted operation.

Overall, it's important to choose the right type of SPD based on your specific needs and to invest in one to protect your equipment and ensure uninterrupted operation. Be sure to check out our selection of SPD types and surge protective device prices to find the right solution for your needs.

What are the advantages of these devices?

a. Surge protection devices offer many benefits, including protecting your electronic devices from damage caused by electrical surges.

b. They also help to extend the lifespan of your electronics by preventing damage from power surges.

c. they can save you money by preventing costly repairs or replacements of damaged electronics.

d. They provide peace of mind by ensuring that your electronics are protected during electrical storms or other events that can cause surges.

e. Additionally, they can also protect your home from fires caused by electrical surges.

f. Overall, investing in a surge protection device is a smart choice to protect your valuable electronics and home. Browse the selection of surge protection devices on our website, where you can also find other electrical components and accessories.

When is it necessary to use these devices?

a. Protecting your devices from power surges is crucial.

b. (SPDs) protect against sudden voltage spikes that can damage electronic equipment, causing data loss or even fires.

c. We offer a variety of SPD types at competitive surge protective device prices.

d. Home protectors are particularly important for safeguarding your valuable equipment, including laptops, TVs, and mobile phones.

e. Consider investing in the best protector India has to offer for maximum protection.

Pair your SPD with a miniature circuit breaker for added safety.

Frequently Asked Questions Related To Surge Protection Devices

1. What is the best surge protector for a home?

a. The best protector depends on specific needs
b. Popular options include power protectors, electrical protectors, and lightning protectors
c. Find a wide range of surge protection devices on our website
d. Browse options such as circuit breakers and more

2. What is the price of a surge protection device?

a. Surge protection device prices vary depending on type and features
b. We offer affordable prices
c. Browse a selection of SPD and other electrical components

3. Can I use a protector for my laptop?

a. Yes, use a protector for laptops to protect from power surges
b. Look for high joule rating and built-in protection for phone lines and Ethernet cables
c. A popular choice for laptops and other electronics include Havells surge protector

4. What surge protection device types are available in India?

a. Plug-in protectors are small, inexpensive devices that plug directly into an outlet and provide basic protection for individual devices. Whole-house protectors, on the other hand, are installed at the electrical panel and provide protection for all the devices in the house.
b. Portable protectors are designed for use on the go and can be particularly useful for protecting laptops and other mobile devices. It's important to select the right type of SPD surge protection device based on your specific needs and equipment to ensure maximum protection against power surges.