✅ CHINT 169378 – NM8L 315A 4P RCCB 315A rated, 4-pole residual current MCCB with a high 70kA breaking capacity and 100% Ics. Built on the robust NM8L-630 frame, featuring X2-type earth leakage protection (0.1 / 0.3 / 0.5 / 1A), adjustable thermal-magnetic trip unit, and programmable T1 delay. 🔹 Description (English): The CHINT 169378 – NM8L-630S/315/4 X2 T1 is a premium residual current MCCB tailored for demanding industrial environments requiring high fault endurance. With a rated current of 315A and a powerful 70kA breaking capacity, it ensures uninterrupted protection even under extreme conditions. The breaker includes X2-type residual protection for broader leakage current sensitivity, a thermal-magnetic adjustable trip unit, and T1 time delay settings for precise circuit coordination. Its NM8L-630 frame ensures mechanical strength and high durability. 🔹 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) • 4-pole configuration for 3-phase + neutral • NM8L-630 heavy-duty frame • Designed for critical industrial protection • DIN rail or panel mounting • Standards: IEC 60947-2 • Certifications: CCC, CE, KEMA 🔹 Technical Specifications (English): Parameter Value Model NM8L-630S/315/4 X2 T1 Part Number CHINT 169378 Rated Current 315A Number of Poles 4P 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