✅ CHINT 169306 – NM8L 315A 3P RCCB 315A, 3-pole molded case residual current circuit breaker with 70kA breaking capacity and 100% Ics. Features X2-type earth leakage protection (0.1 / 0.3 / 0.5 / 1A), adjustable thermal magnetic trip unit, T1 delay settings, and built on a heavy-duty NM8L-630 frame. 🔹 Description (English): The CHINT 169306 – NM8L-630S/500/3 X2 T1 is a premium 3-pole RCCB designed for heavy-duty industrial protection up to 315A. With a high short-circuit interrupting capacity of 70kA and full Ics performance (100%), it is ideal for critical applications in power distribution systems. The X2-type residual current protection (0.1–1A) offers advanced earth fault detection, while the adjustable thermal magnetic trip unit and T1-configurable break time (0.1 / 0.3 / 0.5 / 1s) allow for enhanced selectivity and system coordination. 🔹 Key Features: • Rated current: 315A • High breaking capacity: 70kA (Icu), 100% Ics • Residual protection: X2 (0.1 / 0.3 / 0.5 / 1A) • Adjustable thermal magnetic trip unit • Break time settings: T1 (0.1 / 0.3 / 0.5 / 1s) • Frame: NM8L-630 • Mounting: DIN rail or panel • Standards: IEC 60947-2 • Certifications: CCC, CE, KEMA 🔹 Technical Specifications (English): Parameter Value Model NM8L-630S/500/3 X2 T1 Part Number CHINT 169306 Rated Current 315A Number of Poles 3P Breaking Capacity Icu: 70kA, Ics: 100% Residual Protection X2: 0.1 / 0.3 / 0.5 / 1 A Trip Unit Type Thermal-Magnetic (Adjustable) Break Time Settings T1: 0.1 / 0.3 / 0.5 / 1 s Frame Size NM8L-630 Mounting DIN rail or panel Standards IEC 60947-2 Certifications CCC, CE, KEMA