✅ CHINT 169239 – NM8L 315A 3P RCCB 315A, 3-pole residual current MCCB with 50kA breaking capacity and 100% Ics. Built on NM8L-250 frame, with X1 earth leakage protection (0.05 / 0.1 / 0.2 / 0.5A), thermal magnetic adjustable trip unit, and T1 configurable delay times. 🔹 Description (English): The CHINT 169239 – NM8L-250S/200/3 X1 T1 is a robust molded case circuit breaker featuring residual current protection, designed for high-current industrial applications up to 315A. With a fault-breaking capacity of 50kA and full Ics (100%), it delivers reliable overload, short-circuit, and earth fault protection. Its X1 leakage detection system (0.05–0.5A) ensures quick response to insulation failures. The breaker also includes an adjustable thermal magnetic trip unit and T1 configurable delay settings for coordination with system requirements. 🔹 Key Features: • Rated current: 315A • Breaking capacity: 50kA (Icu), 100% Ics • Residual protection: X1 (0.05 / 0.1 / 0.2 / 0.5A) • Adjustable thermal magnetic trip unit • Break time configuration: T1 (0.1 / 0.3 / 0.5 / 1s) • Frame size: NM8L-250 • Conforms to IEC 60947-2 • Certifications: CCC, CE, KEMA • Mounting: DIN rail or panel 🔹 Technical Specifications (English): Parameter Value Model NM8L-250S/200/3 X1 T1 Part Number CHINT 169239 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