The Schneider A9R44440 is a Type 2 surge protection device (SPD) from the Acti9 range, designed to protect electrical installations and equipment from transient overvoltages, commonly caused by lightning strikes or switching operations. This device is essential for ensuring the safety and longevity of both residential and commercial electrical systems by diverting excess voltage away from critical components.

Key Features:

• Type 2 SPD: The A9R44440 is classified as a Type 2 surge protection device, meaning it is intended for installation in the main distribution board to protect against residual lightning surges and internally generated transient overvoltages.

Technical Specifications:

• Voltage Rating: The A9R44440 is rated for use in systems operating at 230/400V AC, making it suitable for a wide range of applications in both residential and commercial settings.
• Nominal Discharge Current (In): It has a nominal discharge current rating, which defines its ability to handle continuous surge currents effectively.
• Maximum Discharge Current (Imax): This device is capable of handling a maximum discharge current, ensuring robust protection against even the most severe surges.

Applications:

• Residential: Ideal for protecting household electrical systems and sensitive electronics from voltage surges caused by lightning or electrical switching.
• Commercial: Used in commercial buildings to safeguard critical systems such as servers, communication networks, and other valuable electronic equipment.
• Industrial: Suitable for industrial environments, providing protection for machinery, control systems, and other vital infrastructure.

Installation and Maintenance:

• DIN Rail Mounting: The A9R44440 is designed for easy installation on standard DIN rails within electrical panels, making it straightforward to integrate into existing setups.
• Easy Cartridge Replacement: The pluggable cartridge design simplifies maintenance, allowing for quick and safe replacement when necessary.
• Regular Testing: Although the device is designed for longevity, regular testing is recommended to ensure it remains effective in protecting against surges.

Safety and Compliance:

• Standards Compliance: The A9R44440 complies with international standards for surge protection, ensuring it meets high safety and performance criteria.
• Certified Protection: The device is certified by relevant authorities, providing peace of mind that it will perform reliably under surge conditions.

Conclusion:

The Schneider A9R44440 is a robust and reliable surge protection device, designed to safeguard electrical installations from damaging transient overvoltages. Its high surge capacity