✅ CHINT 169240 – NM8L 315A 3P RCCB 315A rated, 3-pole residual current MCCB with 50kA breaking capacity and 100% Ics. Equipped with X1 earth leakage protection (0.05 / 0.1 / 0.2 / 0.5A), adjustable thermal magnetic trip unit, and T1 delay configuration. Frame: NM8L-250. 🔹 Description (English): The CHINT 169240 – NM8L-250S/250/3 X1 T1 is a high-performance residual current MCCB designed for industrial protection applications with a rated current of 315A. With a breaking capacity of 50kA and 100% Ics, it ensures secure protection against overloads, short circuits, and leakage faults. The breaker includes X1-type residual current protection (0.05 to 0.5A) for sensitive leakage detection. The adjustable thermal magnetic trip unit and T1 configurable delay (0.1 to 1s) make this breaker ideal for selective coordination in distribution systems. 🔹 Key Features: • Rated current: 315A • High fault breaking capacity: 50kA (Icu), 100% Ics • Residual current protection: X1 (0.05 / 0.1 / 0.2 / 0.5A) • Adjustable thermal magnetic trip unit • Break time settings: T1 (0.1 / 0.3 / 0.5 / 1s) • Frame size: NM8L-250 • Compliant with IEC 60947-2 • Certified: CCC, CE, KEMA • Mountable on DIN rail or panel 🔹 Technical Specifications (English): Parameter Value Model NM8L-250S/250/3 X1 T1 Part Number CHINT 169240 Rated Current 315A Number of Poles 3P Breaking Capacity Icu: 50kA, Ics: 100% Residual Protection X1: 0.05 / 0.1 / 0.2 / 0.5 A Trip Unit Type Thermal-Magnetic (Adjustable) Break Time Settings T1: 0.1 / 0.3 / 0.5 / 1 s Frame Size NM8L-250 Mounting DIN rail or panel Standards IEC 60947-2 Certifications CCC, CE, KEMA