| Product Type | Miniature Circuit Breaker (MCB) - Thermal Magnetic |
| Manufacturer | Legrand |
| Model Series | DX3 |
| Reference Number | 407470 |
| EAN Code | 3245064074704 |
| Number of Poles | 1 Pole + Neutral (2 total poles) |
| Rated Current | 3 A |
| Tripping Curve | B-curve (9A-15A short-circuit threshold) |
| Rated Voltage | 230 V AC |
| Rated Insulation Voltage (Ui) | 250 V |
| Rated Impulse Withstand Voltage (Uimp) | 4 kV |
| Breaking Capacity (Icn) at 230V | 6 kA according to EN 60898 |
| Breaking Capacity (Icu) at 230V | 10 kA according to IEC 60947-2 |
| Energy Limitation Class | Class 3 |
| Degree of Protection | IP20 (Finger-safe) |
| Degree of Impact Strength | IK02 |
| Width (Module Spacing) | 1 modular spacing |
| Width Dimension | 17.8 mm |
| Height Dimension | 94.8 mm |
| Depth Dimension | 77.6 mm |
| Built-in Depth | 44 mm |
| Frequency Range | 50-60 Hz |
| Nominal Voltage Range | 210-250 V |
| Operating Temperature Range | -25°C to +70°C |
| Storage Temperature Range | -40°C to +70°C |
| Pollution Degree | 2 |
| Multi-wired Conductor Cross Section | 0.75-10 mm² |
| Solid-core Conductor Cross Section | 0.75-16 mm² |
| Connection Type | Screwed terminal, Busbar and cable |
| Electric Supply Direction | Top or bottom |
| Mounting Method | DIN rail |
| Mounting Configuration | Dual DIN rail clamps (top and bottom) |
| Flush-mounted Installation | Yes |
| Concurrently Switching Neutral Conductor | Yes |
| Additional Equipment Possible | Yes - Compatible with DX3 auxiliaries and accessories |
| Colour | Grey |
| RAL Number | 7035 |
| Halogen Free | Yes |
| Explosion-proof | No |
| Terminal Marking Indication | Yes |
| Label Space/Information Surface | Yes |
| Carbon Footprint (Manufacturing Phase A1-A3) | 0.730 kg CO2 eq. |
| Compliance Standards | IEC 60898-1, IEC/EN 60529, IEC 60947-2, RoHS, REACH |
| Product Environmental Profile | PEP certified |