| Product Type | Modular Bipolar Thermal-Magnetic Circuit Breaker |
| Brand | Legrand |
| Series | DX3 |
| SKU/Reference | 409768 |
| EAN Code | 3245064097680 |
| Number of Poles | 2 poles (Bipolar) |
| Rated Current | 16 Amperes |
| Trip Characteristic | C-curve (5-10 In) |
| Rated Voltage | 400 Volts AC |
| Rated Insulation Voltage | 500 Volts |
| Rated Impulse Withstand Voltage | 4 kV |
| Breaking Capacity at 230V | 50 kA according to IEC 60947-2 |
| Breaking Capacity at 400V | 25 kA according to IEC 60947-2 |
| Short-Circuit Tripping Threshold | 80A to 160A (C-curve between 5 In and 10 In) |
| Frequency Range | 50-60 Hz |
| Degree of Protection | IP20 (Finger-safe) |
| Impact Strength Rating | IK02 |
| Pollution Degree | 3 |
| Mounting Method | DIN Rail (35mm standard) |
| Width in Modular Spacings | 2 modules |
| Physical Width | 35.4 mm |
| Physical Height | 94.8 mm |
| Physical Depth | 77.8 mm (Built-in depth: 44mm) |
| Weight | Not specified in documentation |
| Color | Grey (RAL 7035) |
| Connectable Conductor - Solid-Core | 1.5 to 35 mm² |
| Connectable Conductor - Multi-Wired | 1.5 to 25 mm² |
| Connection Types | Screwed terminal, Busbar, Cable connections |
| Supply Direction | Top or Bottom |
| Operating Temperature Range | -25°C to +70°C |
| Storage Temperature Range | -40°C to +70°C |
| Nominal Voltage Range | 360-440 Volts |
| Halogen Free | Yes |
| Explosion-Proof | No |
| Flush-Mounted Installation | Yes |
| Concurrently Switching Neutral | No |
| Additional Equipment Possible | Yes (Auxiliaries, RCD add-on modules) |
| Label Space | Yes (Label holder included) |
| Terminal Marking Indication | No |
| Carbon Footprint (Manufacturing) | 1.829 kg CO₂ eq. |
| Standards Compliance | IEC 60947-2, IEC/EN 60529, RoHS Directive, REACH compliant |
| Warranty | Standard Legrand warranty |