The Schneider Arc Fault Detection Switch Acti9 iARC 1P + N 40 A - A9TSB3640 is a high-quality electrical component designed for use in electrical panels and circuit breakers. With a maximum amperage of 40A, this switch by Schneider provides reliable protection against arc faults, ensuring the safety of electrical circuits in residential and commercial settings. As a trusted brand in the industry, Schneider's products are known for their durability and efficiency, making this switch a practical choice for DIY materials and home improvement projects that require expert electrical supplies.