| Product Type | Thermal Magnetic Circuit Breaker (MCB) |
| Brand | Legrand |
| Model Series | DX3 |
| Reference Number | 407627 |
| EAN Code | 3245064076272 |
| Number of Poles | 4 poles (4P) |
| Rated Current | 32 A |
| Rated Voltage | 400 V AC |
| Rated Insulation Voltage | 500 V |
| Rated Impulse Withstand Voltage | 4 kV |
| Voltage Type | AC (Alternating Current) |
| Frequency Range | 50-60 Hz |
| Breaking Capacity (Icn) | 6 kA at 400V per IEC 60898-1 |
| Breaking Capacity (Icu) | 10 kA at 400V per IEC 60947-2, 25 kA at 230V per IEC 60947-2 |
| Release Characteristic | B Curve (3-5 times rated current) |
| Tripping Threshold | 96A to 160A for short-circuit (B curve between 3 In and 5 In) |
| Current Limiting Class | Class 3 (Maximum energy limitation) |
| Degree of Protection | IP20 (Fingerproof against solid bodies > 12.5mm) |
| Degree of Impact Strength | IK02 |
| Built-in Depth | 44 mm |
| Width (Modular Spacing) | 4 modules |
| Width | 70.8 mm |
| Height | 94.8 mm |
| Depth | 77.8 mm |
| Colour | Grey (RAL 7035) |
| Connectable Conductor Cross Section (Multi-wired) | 1.5-25 mm² |
| Connectable Conductor Cross Section (Solid-core) | 1.5-35 mm² |
| Connection Type | Screwed Terminal |
| Electric Supplying Direction | By the top or bottom |
| Mounting Method | DIN Rail |
| Flush-mounted Installation | Yes |
| Concurrently Switching Neutral Conductor | Yes |
| Pollution Degree | 2 |
| Additional Equipment Possible | Yes (DX3 auxiliaries, RCD add-on modules, accessories) |
| Ambient Temperature (Operating) | -25 to +70 °C |
| Storage Temperature | -40 to +70 °C |
| Halogen Free | Yes |
| Explosion-proof | No |
| Label Space/Information Surface | Yes |
| Carbon Footprint (Manufacturing Phase A1-A3) | 3.595 kg CO₂ eq. |
| Compliance Standards | IEC 60898-1, IEC 60947-2, IEC/EN 60529, RoHS Directive, REACH Declaration |
| Supply Options | Copper cable, prong busbar (top/bottom), fork busbar (bottom), Legrand HX3 plug busbar (top) |
| Aluminum Cable Compatible | Yes (with terminal accessory n° 4 063 10) |