This overview compares the Legrand RX3 1-Pole 16A B-Curve 6kA Circuit Breaker with several alternatives: Miniature Circuit Breaker CNC NV821419 1-Pole 10A C-Curve 6kA, Miniature Circuit Breaker CNC NV821426 1-Pole 16 Amps C Characteristic 6kA Breaking Capacity, ABB S201M-B16 Miniature Circuit Breaker 1-pole 16A 10kA B-curve, and electro base SB6L 1P B10 6KA Circuit Breaker 1-Pole 10A B-Curve 6kA Breaking Capacity. All listed devices are designed for overcurrent and short-circuit protection in residential and commercial electrical installations, but they differ in rated current, tripping characteristics, and breaking capacity.
⚙️ Below is a comparison of the key technical characteristics—number of poles, rated current, tripping curve, breaking capacity, and brand—to show the practical differences in electrical circuit protection.
| Parameter | Legrand RX3 1-Pole 16A B-Curve 6kA | CNC NV821419 1-Pole 10A C-Curve 6kA | CNC NV821426 1-Pole 16 Amps C Characteristic 6kA | ABB S201M-B16 1-pole 16A 10kA B-curve | electro base SB6L 1P B10 6KA 10A B-Curve | Practical significance |
|---|
| Number of poles | 1 | 1 | 1 | 1 | 1 | All models are suitable for single-phase electrical systems. |
| Rated current | 16A | 10A | 16A | 16A | 10A | 16A models support higher electrical loads compared to 10A versions. |
| Tripping curve | B | C | C | B | B | Curve B reacts faster to overloads, while curve C better tolerates moderate inrush currents. |
| Breaking capacity | 6kA | 6kA | 6kA | 10kA | 6kA | The ABB model features higher resilience against short-circuit currents. |
| Brand | electro base | CNC | CNC | ABB | electro base | Different manufacturers offer solutions ranging from basic to premium standards. |
◎ The table below evaluates the suitability of each device for various usage scenarios and buyer needs.
| Use case | Recommended product | Why |
|---|
| Standard socket circuits up to 16A requiring fast overload response | Legrand RX3 1-Pole 16A B-Curve 6kA Circuit Breaker | Provides a 16A rating and sensitive B-curve, ideal for standard residential wiring. |
| Lighting lines or low-power devices up to 10A | Miniature Circuit Breaker CNC NV821419 1-Pole 10A C-Curve 6kA | The 10A rating and C-curve suit circuits with minor inrush currents. |
| Circuits with motors or appliances with inrush currents at 16A | Miniature Circuit Breaker CNC NV821426 1-Pole 16 Amps C Characteristic 6kA Breaking Capacity | Combines a 16A rating with a C-curve to prevent nuisance tripping during equipment startup. |
| Installations with higher short-circuit current requirements | ABB S201M-B16 Miniature Circuit Breaker 1-pole 16A 10kA B-curve | Offers an increased 10kA breaking capacity for safer protection in robust distribution panels. |
The Legrand RX3 1-Pole 16A B-Curve 6kA Circuit Breaker is ideally suited for standard residential and commercial electrical installations requiring 16A circuit protection with a sensitive B-curve. Compared to CNC and electro base alternatives featuring C-curves or lower current ratings, this model provides better overload sensitivity for standard socket circuits, while offering a standard 6kA breaking capacity for typical distribution boards compared to the higher-rated ABB option.
