Description
Description
TZG40-T1T2 20-50kA
1234P 275V 385VAC Iimp(10/350μs) 7kA
General
TZG40-T1T2 offers comprehensive protection by integrating both Type 1 (T1) and Type 2 (T2) capabilities into one unit. It is designed for installation at the main distribution board, where it can safely dissipate high-energy direct lightning currents (Iimp) and suppress common surge voltages, providing a seamless defense across multiple threat levels.
Product data sheet
Rated Voltage:275V/385V AC
Lightning Impulse Current (Iimp): 7kA (10/350μs)
Poles: 1234P
Imax(8/20μs):50kA
In(8/20μs):20kA
Type:T1T2
Standard:IEC/EN61643-11
NOTE: If you have any special requirements, you can contact our customer service for customization. Such as other voltages or currents, RS485 functions, etc.




















TOMZN TZG40-T1T2 Pluggable DIN Rail SPD Surge Protective Device – Ultimate Protection for Electrical Systems
In today’s world, where electrical systems are the backbone of both residential and industrial operations, ensuring the safety and reliability of these systems is of utmost importance. One of the most critical components in safeguarding electrical infrastructure is the use of high-quality surge protective devices (SPDs). The TOMZN TZG40-T1T2 is a cutting-edge pluggable DIN rail SPD designed to provide robust protection against voltage surges, lightning strikes, and other transient overvoltages. This advanced surge protector is ideal for a wide range of applications, from industrial facilities to commercial buildings and even sensitive electronic environments.
What is a Surge Protective Device (SPD)?
A surge protective device, also known as a surge arrester, is an essential component in electrical systems that protects sensitive equipment from voltage spikes. These spikes can be caused by lightning strikes, switching operations, or faults in the power grid. Without proper protection, such surges can lead to equipment damage, system failures, and even safety hazards.
The TOMZN TZG40-T1T2 is a pluggable DIN rail SPD, which means it can be easily mounted on a standard DIN rail, making installation and maintenance straightforward. This design is particularly beneficial in industrial and commercial settings where space efficiency and modularity are key considerations.
Key Features of the TOMZN TZG40-T1T2 SPD
The TOMZN TZG40-T1T2 is engineered to deliver superior performance and reliability. Here are some of its standout features:
1. High Surge Current Capacity
This SPD is rated to handle 20-50kA at 8/20μs and 7kA at 10/350μs, making it suitable for environments with high surge exposure. The 8/20μs rating refers to the standard test waveform used to simulate lightning-induced surges, while the 10/350μs waveform is used for switching surges. The high current capacity ensures that the device can effectively absorb and divert large surges without failing.
2. Operating Voltage Range of 275V to 385V AC
The TOMZN TZG40-T1T2 is designed to operate within a wide voltage range of 275V to 385V AC, making it compatible with a variety of electrical systems. This flexibility allows it to be used in different countries and regions with varying power supply standards.
3. Pluggable DIN Rail Mounting
One of the most convenient features of this SPD is its pluggable DIN rail mounting. This design allows for quick and easy installation without the need for soldering or complex wiring. The device simply snaps into place on a standard DIN rail, reducing installation time and minimizing the risk of errors.
4. Compact and Space-Efficient Design
Despite its powerful performance, the TOMZN TZG40-T1T2 has a compact and space-efficient design. This makes it ideal for use in control cabinets, switchgear panels, and other confined spaces where space is at a premium. The small footprint also allows for easy integration into existing electrical systems.
5. High Reliability and Long Service Life
Built with high-quality materials and advanced technology, the TOMZN TZG40-T1T2 is designed for long-term reliability. It can withstand repeated surges and maintain its protective capabilities over time. This ensures that your electrical system remains protected for years to come.
6. Compliance with International Standards
The TOMZN TZG40-T1T2 meets or exceeds international standards for surge protection, including IEC 61643-1 and IEC 61643-22. These standards ensure that the device is tested and certified for performance, safety, and durability. This compliance gives users confidence in the product’s quality and effectiveness.
Applications of the TOMZN TZG40-T1T2 SPD
The TOMZN TZG40-T1T2 is suitable for a wide range of applications, including:
– Industrial Facilities: Factories, manufacturing plants, and production lines often require robust surge protection due to the high electrical loads and potential for lightning strikes.
– Commercial Buildings: Offices, shopping centers, and hotels can benefit from this SPD to protect sensitive equipment such as HVAC systems, lighting, and IT infrastructure.
– Data Centers and Telecommunications: These environments rely on uninterrupted power and data transmission, making surge protection essential to prevent downtime and data loss.
– Residential Installations: In areas prone to lightning or power grid fluctuations, this SPD can be used to protect home appliances, electronics, and electrical systems.
– Renewable Energy Systems: Solar and wind energy installations often require surge protection to safeguard inverters, controllers, and other critical components.
Why Choose the TOMZN TZG40-T1T2?
When it comes to protecting your electrical system from surges and lightning strikes, the TOMZN TZG40-T1T2 is a top choice for several reasons:
– Superior Surge Handling: With a high surge current rating, this SPD can handle even the most severe surges without compromising performance.
– Easy Installation and Maintenance: The pluggable DIN rail design allows for quick installation and easy replacement when needed.
– Versatile Compatibility: The wide voltage range and modular design make it suitable for a variety of electrical systems and environments.
– Durable and Reliable: Built to last, this SPD ensures long-term protection and minimal maintenance.
– Compliant and Certified: Meeting international standards ensures that the device is safe, effective, and reliable.
Installation and Maintenance Tips
To ensure optimal performance and longevity of the TOMZN TZG40-T1T2, it is important to follow proper installation and maintenance procedures:
– Mounting: Install the SPD on a standard DIN rail in a dry, well-ventilated area. Ensure that the rail is securely mounted and that the SPD is properly seated.
– Wiring: Connect the SPD according to the manufacturer’s instructions. Use appropriate wire sizes and ensure all connections are tight and secure.
– Grounding: A proper grounding system is essential for the effective operation of the SPD. Ensure that the grounding conductor is of sufficient size and in good condition.
– Regular Inspection: Periodically inspect the SPD for signs of damage, overheating, or degradation. Replace the device if any issues are detected.
– Replacement: SPDs have a limited service life and should be replaced after a major surge event or at regular intervals as recommended by the manufacturer.
Conclusion
The TOMZN TZG40-T1T2 is a high-performance pluggable DIN rail SPD that offers exceptional protection against voltage surges and lightning strikes. With its high surge current capacity, wide voltage range, and easy installation, it is an ideal solution for a wide range of electrical systems. Whether you are looking to protect industrial equipment, commercial infrastructure, or residential electronics, this surge protective device is a reliable and cost-effective choice.
Investing in the TOMZN TZG40-T1T2 means investing in the safety, reliability, and longevity of your electrical system. Don’t risk equipment damage or system failures—choose a surge protective device that you can trust.
In today’s world, where electrical systems are the backbone of both residential and industrial operations, ensuring the safety and reliability of these systems is of utmost importance. One of the most critical components in safeguarding electrical infrastructure is the use of high-quality surge protective devices (SPDs). The TOMZN TZG40-T1T2 is a cutting-edge pluggable DIN rail SPD designed to provide robust protection against voltage surges, lightning strikes, and other transient overvoltages. This advanced surge protector is ideal for a wide range of applications, from industrial facilities to commercial buildings and even sensitive electronic environments.
What is a Surge Protective Device (SPD)?
A surge protective device, also known as a surge arrester, is an essential component in electrical systems that protects sensitive equipment from voltage spikes. These spikes can be caused by lightning strikes, switching operations, or faults in the power grid. Without proper protection, such surges can lead to equipment damage, system failures, and even safety hazards.
The TOMZN TZG40-T1T2 is a pluggable DIN rail SPD, which means it can be easily mounted on a standard DIN rail, making installation and maintenance straightforward. This design is particularly beneficial in industrial and commercial settings where space efficiency and modularity are key considerations.
Key Features of the TOMZN TZG40-T1T2 SPD
The TOMZN TZG40-T1T2 is engineered to deliver superior performance and reliability. Here are some of its standout features:
1. High Surge Current Capacity
This SPD is rated to handle 20-50kA at 8/20μs and 7kA at 10/350μs, making it suitable for environments with high surge exposure. The 8/20μs rating refers to the standard test waveform used to simulate lightning-induced surges, while the 10/350μs waveform is used for switching surges. The high current capacity ensures that the device can effectively absorb and divert large surges without failing.
2. Operating Voltage Range of 275V to 385V AC
The TOMZN TZG40-T1T2 is designed to operate within a wide voltage range of 275V to 385V AC, making it compatible with a variety of electrical systems. This flexibility allows it to be used in different countries and regions with varying power supply standards.
3. Pluggable DIN Rail Mounting
One of the most convenient features of this SPD is its pluggable DIN rail mounting. This design allows for quick and easy installation without the need for soldering or complex wiring. The device simply snaps into place on a standard DIN rail, reducing installation time and minimizing the risk of errors.
4. Compact and Space-Efficient Design
Despite its powerful performance, the TOMZN TZG40-T1T2 has a compact and space-efficient design. This makes it ideal for use in control cabinets, switchgear panels, and other confined spaces where space is at a premium. The small footprint also allows for easy integration into existing electrical systems.
5. High Reliability and Long Service Life
Built with high-quality materials and advanced technology, the TOMZN TZG40-T1T2 is designed for long-term reliability. It can withstand repeated surges and maintain its protective capabilities over time. This ensures that your electrical system remains protected for years to come.
6. Compliance with International Standards
The TOMZN TZG40-T1T2 meets or exceeds international standards for surge protection, including IEC 61643-1 and IEC 61643-22. These standards ensure that the device is tested and certified for performance, safety, and durability. This compliance gives users confidence in the product’s quality and effectiveness.
Applications of the TOMZN TZG40-T1T2 SPD
The TOMZN TZG40-T1T2 is suitable for a wide range of applications, including:
– Industrial Facilities: Factories, manufacturing plants, and production lines often require robust surge protection due to the high electrical loads and potential for lightning strikes.
– Commercial Buildings: Offices, shopping centers, and hotels can benefit from this SPD to protect sensitive equipment such as HVAC systems, lighting, and IT infrastructure.
– Data Centers and Telecommunications: These environments rely on uninterrupted power and data transmission, making surge protection essential to prevent downtime and data loss.
– Residential Installations: In areas prone to lightning or power grid fluctuations, this SPD can be used to protect home appliances, electronics, and electrical systems.
– Renewable Energy Systems: Solar and wind energy installations often require surge protection to safeguard inverters, controllers, and other critical components.
Why Choose the TOMZN TZG40-T1T2?
When it comes to protecting your electrical system from surges and lightning strikes, the TOMZN TZG40-T1T2 is a top choice for several reasons:
– Superior Surge Handling: With a high surge current rating, this SPD can handle even the most severe surges without compromising performance.
– Easy Installation and Maintenance: The pluggable DIN rail design allows for quick installation and easy replacement when needed.
– Versatile Compatibility: The wide voltage range and modular design make it suitable for a variety of electrical systems and environments.
– Durable and Reliable: Built to last, this SPD ensures long-term protection and minimal maintenance.
– Compliant and Certified: Meeting international standards ensures that the device is safe, effective, and reliable.
Installation and Maintenance Tips
To ensure optimal performance and longevity of the TOMZN TZG40-T1T2, it is important to follow proper installation and maintenance procedures:
– Mounting: Install the SPD on a standard DIN rail in a dry, well-ventilated area. Ensure that the rail is securely mounted and that the SPD is properly seated.
– Wiring: Connect the SPD according to the manufacturer’s instructions. Use appropriate wire sizes and ensure all connections are tight and secure.
– Grounding: A proper grounding system is essential for the effective operation of the SPD. Ensure that the grounding conductor is of sufficient size and in good condition.
– Regular Inspection: Periodically inspect the SPD for signs of damage, overheating, or degradation. Replace the device if any issues are detected.
– Replacement: SPDs have a limited service life and should be replaced after a major surge event or at regular intervals as recommended by the manufacturer.
Conclusion
The TOMZN TZG40-T1T2 is a high-performance pluggable DIN rail SPD that offers exceptional protection against voltage surges and lightning strikes. With its high surge current capacity, wide voltage range, and easy installation, it is an ideal solution for a wide range of electrical systems. Whether you are looking to protect industrial equipment, commercial infrastructure, or residential electronics, this surge protective device is a reliable and cost-effective choice.
Investing in the TOMZN TZG40-T1T2 means investing in the safety, reliability, and longevity of your electrical system. Don’t risk equipment damage or system failures—choose a surge protective device that you can trust.







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