✅ CHINT 169303 – NM8L 350A 3P RCCB 350A, 3-pole molded case residual current circuit breaker with high 70kA breaking capacity and 100% Ics. Built on NM8L-630 frame, featuring X2-type earth leakage protection (0.1 / 0.3 / 0.5 / 1A), adjustable thermal magnetic trip unit, and T1-configurable delay. 🔹 Description (English): The CHINT 169303 – NM8L-630S/315/3 X2 T1 is a high-performance residual current MCCB rated at 350A, engineered for heavy industrial environments. It offers a superior short-circuit breaking capacity of 70kA and full Ics (100%), providing robust protection against overloads, short circuits, and leakage currents. The X2 residual protection (0.1–1A) ensures timely fault detection, while the adjustable thermal magnetic trip unit and configurable T1 delay settings support reliable system coordination. 🔹 Key Features: • Rated current: 350A • 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) • Heavy-duty frame: NM8L-630 • Conforms to IEC 60947-2 • Certifications: CCC, CE, KEMA • Mounting: DIN rail or panel 🔹 Technical Specifications (English): Parameter Value Model NM8L-630S/315/3 X2 T1 Part Number CHINT 169303 Rated Current 350A 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