The Acti9 Combi SPU 3P+N 63 A circuit breaker with combined surge protection from Schneider Electric is an advanced solution designed to provide comprehensive protection in electrical installations. This circuit breaker combines short-circuit and overload protection with the ability to mitigate transient surges caused by atmospheric phenomena, offering a high level of safety and reliability for small residential and commercial installations.
With a rated current of 63 A, this circuit breaker is suitable for protecting electrical installations against the dangers of overvoltage and short circuits. Surge protection is integrated into its design, ensuring connected equipment remains safe even in the event of voltage spikes caused by lightning or power grid fluctuations.
The Acti9 Combi SPU uses thermal-magnetic technology to provide instantaneous protection against overloads and short circuits. Its 3 poles + neutral (1 pole protected) design makes it ideal for applications in alternating current (AC) networks, while its compatibility with TT earthing systems ensures it can be used in a wide variety of installations.
This circuit breaker is also equipped with Type 2 transient suppressors, tested with an 8/20 µs impulse current wave, and can handle a nominal discharge current of 15 kA and a maximum discharge current of up to 40 kA. These features make it suitable for withstanding the most severe voltage spikes without compromising system safety.
Key Features:
The Acti9 Combi SPU also offers advanced features that facilitate its use and maintenance. Thanks to its LED signalling system, technicians can quickly identify the status of surges, with green and red indicators showing the protection status and the need for intervention. Additionally, it has a white and red signalling flag indicating when a voltage release has occurred, reducing diagnosis and repair time in the event of failures.
Key Technical Data:
The robust design of the Acti9 Combi SPU, along with its DIN rail mounting, allows for easy and secure installation in modular electrical panels. Additionally, its operating temperature range of -25 °C to 55 °C makes it suitable for operating in adverse environmental conditions, ensuring reliable long-term performance.
Additional Benefits:
Typical Applications:
The Acti9 Combi SPU is primarily designed for use in small residential and commercial environments where advanced protection against overvoltage and short circuits is required. It is an ideal solution for protecting electrical systems in homes, small offices, and other spaces where service continuity and safety are essential.
In summary, the Acti9 Combi SPU 3P+N 63 A circuit breaker is a reliable and efficient option for ensuring electrical protection in critical installations, providing both short-circuit and atmospheric surge protection in a single device. With its compact design, easy installation, and advanced signalling capabilities, it is an excellent choice for any electrical installation project seeking long-term safety and reliability.