✅ CHINT 198077 – NB1L-40 RCBO – 3P+N, 25A, C Curve, 300mA Sensitivity, 6kA Breaking Capacity Description (English): The CHINT NB1L-40 3P+N RCBO is a robust protective device for three-phase systems requiring reliable fault current isolation and equipment protection. With a 25A rated current, C-curve tripping, and 300mA residual current sensitivity, it ensures dependable performance in medium-load industrial and commercial circuits. This RCBO supports overload, short-circuit, and earth leakage protection with a breaking capacity of 6kA. It complies with IEC 61009-1 and is designed with AC-type sensitivity for accurate fault detection. Ideal for HVAC systems, sub-distribution panels, and motor loads. Specifications (English): Model: NB1L-40 Part Number: CHINT 198077 Poles: 3P+N Rated Current [In]: 25A Curve Type: C Sensitivity Current: 300mA Breaking Capacity: 6kA Frequency: 50/60Hz Standards: IEC 61009-1 Protection Type: Overload, short circuit, residual current (AC) Tripping Mechanism: Thermal-magnetic with leakage detection