Transient and Permanent Surge Protector IGA Acti9 Combi SPU 3P+N 40A

The Acti9 Combi SPU 3P+N 40A transient and permanent 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 transient and permanent overvoltages make it an excellent choice for ensuring the continuity of electrical service and the protection of 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 atmospheric discharges, overloads, and short circuits, ensuring service continuity and preventing damage to sensitive electrical equipment. Its use is especially recommended in environments where voltage variations can 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 electrical installation protection.
• 3P+N with 1 protected pole: The device features 3 protected poles and a neutral on the left, allowing complete control over the installation phases and ensuring optimal protection against overvoltages 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 case of a high-intensity short circuit, protecting both the equipment and the overall electrical installation.
• Transient overvoltage protection: 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.
• Nominal operating voltage: It operates with a nominal voltage of 400 V AC and is designed to work in networks of 50 Hz or 60 Hz, making it suitable for most standard electrical installations.
• Thermal-magnetic technology: The integrated circuit breaker uses thermal-magnetic technology to provide quick and precise protection against overloads and short circuits, ensuring rapid system disconnection in case of electrical faults.

Additional Advantages:

• Fast response time: The Acti9 Combi SPU has a response time of less than 25 ns, ensuring an extremely fast reaction to overvoltages, minimizing the risk of damage to connected equipment.
• DIN rail mounting: The device is designed for fixed DIN rail mounting, facilitating its installation in modular electrical panels. This type of mounting ensures easy 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 service life and reliable performance even in demanding environments.

Additional Specifications:

• Protection level IP20/IP40: Under normal conditions, the device has a protection degree of IP20, meaning it is protected against the penetration of solid objects larger than 12.5 mm, and when installed in modular cabinets, it achieves IP40 protection, protecting it 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 standards EN 61643-11:2012 and IEC 61643-11:2011, 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 expensive 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 up to 40 kA, the Acti9 Combi SPU ensures that installations are protected against extreme electrical events, maintaining safety and service continuity.