| Product Type | Miniature Circuit Breaker (MCB) |
| Manufacturer | Legrand |
| Model Series | DX³ |
| Reference Number | 409332 |
| EAN Code | 3245064093323 |
| Number of Poles | 4 poles (4P) |
| Rated Current | 4 A |
| Release Characteristic | Type C (5-10 In) |
| Rated Voltage | 400 V |
| Rated Insulation Voltage | 500 V |
| Rated Impulse Withstand Voltage | 4 kV |
| Breaking Capacity at 230V | 16 kA (Icn per EN 60898) |
| Breaking Capacity at 400V | 10 kA (Icn per EN 60898) |
| Ultimate Breaking Capacity at 230V | 32 kA (Icu per IEC 60947-2) |
| Ultimate Breaking Capacity at 400V | 16 kA (Icu per IEC 60947-2) |
| Current Limiting Class | Class 3 |
| Frequency Range | 50-60 Hz |
| Voltage Type | AC |
| Degree of Protection | IP20 (Fingerproof) |
| Degree of Impact Strength | IK02 |
| Width in Modular Spacings | 4 modules |
| Built-in Depth | 44 mm |
| Width | 70.8 mm |
| Height | 94.8 mm |
| Total Depth | 77.8 mm |
| Color | Grey |
| RAL Number | 7035 |
| Connection Type | Screwed terminal |
| Connectable Conductor Cross-Section (Multi-wired) | 1.5-25 mm² |
| Connectable Conductor Cross-Section (Solid-core) | 1.5-35 mm² |
| Mounting Method | DIN rail |
| Electric Supplying Direction | Top or bottom |
| Pollution Degree | 2 |
| Ambient Temperature Operating Range | -25 to +70 °C |
| Storage Temperature Range | -40 to +70 °C |
| Concurrently Switching Neutral Conductor | Yes |
| Flush-mounted Installation | Yes |
| Additional Equipment Possible | Yes |
| Explosion-proof | No |
| Halogen Free | Yes |
| Label Space/Information Surface | Yes |
| Carbon Footprint (Manufacturing Phase) | 3.487 kg CO₂ eq. |
| Standards Compliance | IEC 60898-1, EN 60898, IEC 60947-2, IEC/EN 60529, RoHS, REACH |
| Warranty | As per Legrand warranty policy |