✅ CHINT 197963 – NB1L-40 RCBO – 1P+N, 40A, C Curve, 30mA Sensitivity, 6kA Breaking Capacity Description (English): The CHINT NB1L-40 RCBO is a maximum-protection device designed for high-demand single-phase applications. With a 40A rated current, C-type tripping curve, and 30mA leakage sensitivity, this 1P+N breaker offers comprehensive protection against overloads, short circuits, and earth leakage, ensuring both equipment safety and personal protection. It is ideal for residential main circuits or light industrial installations where high fault current handling is required. The RCBO features 6kA breaking capacity and AC-type residual current detection. It complies with IEC 61009-1, operates at 50/60Hz, and combines thermal-magnetic tripping with fast residual current response. Specifications (English): Model: NB1L-40 Part Number: CHINT 197963 Poles: 1P+N Rated Current [In]: 40A Curve Type: C Sensitivity Current: 30mA 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