| Product Type | Thermal-Magnetic Circuit Breaker (MCB) |
| Manufacturer | Legrand |
| Model Series | DX3 |
| Reference Number | 409529 |
| EAN Code | 3414970434579 |
| Number of Poles | 4 poles (4P) |
| Rated Current | 6 Amperes (A) |
| Release Characteristic | D-curve (10 In to 14 In) |
| Breaking Capacity at 230V | 16 kA according to IEC 60898 |
| Breaking Capacity at 400V | 10 kA according to IEC 60898 |
| Short-Circuit Breaking Capacity Icu at 230V | 32 kA according to IEC 60947-2 |
| Short-Circuit Breaking Capacity Icu at 400V | 16 kA according to IEC 60947-2 |
| Rated Voltage | 400 Volts AC |
| Rated Insulation Voltage | 500 Volts (Ui) |
| Rated Impulse Withstand Voltage | 4 kV (Uimp) |
| Frequency | 50-60 Hz |
| Degree of Protection | IP20 (Finger-safe) |
| Degree of Impact Strength | IK02 |
| Pollution Degree | 2 |
| Width (in modular spacings) | 4 modules |
| Width | 70.8 mm |
| Height | 94.8 mm |
| Depth (Built-in) | 44 mm |
| Total Depth | 77.8 mm |
| Mounting Method | DIN Rail (35 mm) |
| Connection Type | Screwed Terminal |
| Connectable Conductor Cross Section (Solid-core) | 1.5-35 mm² |
| Connectable Conductor Cross Section (Multi-wired) | 1.5-25 mm² |
| Supply Direction | Top or Bottom |
| Ambient Temperature Operating Range | -25°C to +70°C |
| Storage Temperature Range | -40°C to +70°C |
| Colour | Grey (RAL 7035) |
| Halogen Free | Yes |
| Flush-mounted Installation | Yes |
| Concurrently Switching Neutral Conductor | Yes |
| Additional Equipment Possible | Yes |
| Label Space/Information Surface | Yes |
| Explosion-proof | No |
| Carbon Footprint (Manufacturing Phase) | 3.125 kg CO₂ eq. |
| Compliance Standards | IEC 60898-1, IEC 60947-2, IEC/EN 60529, RoHS, REACH |