This listing is for a Schneider ACTI 9 40A 4 Pole 30mA Type B Instant Time Delay DC Sensitive RCD. It is a top-quality circuit breaker and disconnector designed for business, office, and industrial use. With its DC current type, maximum amperage of 40A, and tripping characteristics of Type B, this RCD is reliable and effective. The brand of this RCD is Schneider, a trusted name in the electrical equipment and supplies industry. Its tripping characteristics make it ideal for ground fault interrupters and RCDs, and it has a sensitive time delay to ensure optimal performance. If you need a high-quality RCD with excellent features, this Schneider ACTI 9 RCD is a great choice.