✅ CHINT 197943 – NB1L-40 RCBO – 1P+N, 20A, C Curve, 30mA Sensitivity, 6kA Breaking Capacity
Description (English):
The CHINT NB1L-40 RCBO is a compact, high-safety device combining overload, short circuit, and earth leakage protection in a single 1P+N unit. This model is rated at 20A with a C-type tripping curve and a 30mA sensitivity—providing life protection against electric shocks and suitable for domestic socket outlets and general-purpose circuits.
It features a 6kA short-circuit breaking capacity and is designed for detecting AC-type residual currents. The device operates at 50/60Hz and complies with IEC 61009-1. It is equipped with a thermal-magnetic trip mechanism and fast residual current detection, ensuring safety for users and connected loads.
Specifications (English):
Model: NB1L-40
Part Number: CHINT 197943
Poles: 1P+N
Rated Current [In]: 20A
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