✅ CHINT 169304 – NM8L 350A 3P RCCB
350A rated, 3-pole residual current MCCB with ultra-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 configurable T1 delay.
🔹 Description (English):
The CHINT 169304 – NM8L-630S/350/3 X2 T1 is a top-tier molded case residual current circuit breaker designed for high-demand industrial and power distribution systems. Rated at 350A with an impressive 70kA breaking capacity and full Ics (100%), this breaker ensures robust protection for large electrical loads. It features X2 residual current detection (0.1–1A) for accurate leakage response, an adjustable thermal magnetic trip unit for overload/short-circuit coordination, and configurable T1 delay settings for enhanced selectivity.
🔹 Key Features:
• Rated current: 350A
• Very 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/350/3 X2 T1
Part Number CHINT 169304
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