Transient and permanent surge protector IGA Acti9 Combi SPU 3P+N 40A

The Acti9 Combi SPU 3P+N 40A surge protector from Schneider Electric, reference A9L20740, is an advanced device designed to protect against both transient and permanent overvoltages in electrical systems. This device combines the protection of a thermal-magnetic circuit breaker with a surge suppressor, offering a comprehensive solution for the safety of electrical installations in residential and small commercial environments. Its robust design and ability to handle both transient and permanent overvoltages make it an excellent choice for ensuring the continuity of electrical service and protecting connected equipment.

Applications:

The Acti9 Combi SPU is designed for use in alternating current (AC) systems of TT networks, providing reliable protection in residential and light commercial installations. This device is ideal for protecting against overvoltages caused by lightning strikes, overloads, and short circuits, ensuring service continuity and preventing damage to sensitive electrical equipment. Its use is especially recommended in environments where voltage variations may be frequent and where electrical safety is a priority.

Main features:

• Combined surge protection: The Acti9 Combi SPU combines protection against transient overvoltages (caused by lightning or other network interferences) with protection against permanent overvoltages (overloads and short circuits). This feature makes it a versatile and comprehensive solution for the protection of electrical installations.
• 3P+N with 1 protected pole: The device has 3 protected poles and a neutral on the left, allowing complete control over the phases of the installation and ensuring optimal surge protection in single-phase and three-phase networks.
• Rated current of 40 A: This circuit breaker is designed to handle a rated current of 40 A, making it suitable for a wide range of applications, from residential systems to small commercial environments.

Technical specifications:

• Breaking capacity of 10 kA: The circuit breaker associated with the Acti9 Combi SPU has a breaking capacity of 10 kA, meaning it can disconnect the circuit in the event of a high-intensity short circuit, protecting both the equipment and the electrical installation in general.
• Protection against transient overvoltages: The device is designed to handle a nominal discharge current (In) of 15 kA and a maximum discharge current (Imax) of 40 kA, ensuring effective protection against overvoltages caused by atmospheric phenomena.
• Rated operating voltage: It operates with a rated voltage of 400 V AC and is designed to operate in 50 Hz or 60 Hz networks, making it suitable for most standard electrical installations.
• Thermal-magnetic technology: The integrated circuit breaker uses thermal-magnetic technology to provide rapid and precise protection against overloads and short circuits, ensuring quick disconnection of the system in case of electrical failures.

Additional advantages:

• Fast response time: The Acti9 Combi SPU has a response time of less than 25 ns, ensuring an extremely quick reaction to overvoltages, minimizing the risk of damage to connected equipment.
• DIN rail mounting: The device is designed for fixed mounting on DIN rail, making it easy to install in modular electrical panels. This type of mounting ensures simple integration into existing systems and easy replacement or maintenance.
• Mechanical and electrical durability: This device is designed to withstand up to 20,000 mechanical cycles and 10,000 electrical cycles, ensuring a long lifespan and reliable performance even in demanding environments.

Additional specifications:

• IP20/IP40 protection level: Under normal conditions, the device has a protection rating of IP20, meaning it is protected against the penetration of solid objects larger than 12.5 mm, and when installed in modular cabinets, it reaches a IP40 protection level, protecting against the entry of small solid objects and ensuring its durability in industrial or commercial environments.
• Compact dimensions: With dimensions of 161 mm wide, 76 mm high, and 102 mm deep, the Acti9 Combi SPU is compact, facilitating its integration into electrical panels with limited space.
• Certifications and standards: This device complies with the EN 61643-11:2012 and IEC 61643-11:2011 standards, ensuring its quality and compliance with European standards for surge protection. It also has CE and AENOR certifications, ensuring its safety and reliability.

Benefits of the Acti9 Combi SPU:

• Complete protection: By combining a circuit breaker and a surge suppressor, the Acti9 Combi SPU offers comprehensive protection against electrical risks, preventing damage to costly equipment and reducing downtime in critical installations.
• Easy installation: Thanks to its modular design and DIN rail mounting, this device is easy to install in any electrical system, reducing installation times and associated costs.
• Safety and reliability: With a breaking capacity of 10 kA and effective surge protection of up to 40 kA, the Acti9 Combi SPU ensures that installations are protected against extreme electrical events, maintaining safety and service continuity.