| Product Type | Motor Protection Circuit Breaker |
| Model | MPX3 63H |
| Reference Number | 417368 |
| EAN Code | 3414970396150 |
| Rated Permanent Current (Iu) | 63 A |
| Overload Release Current Setting (Min-Max) | 45-63 A |
| Undelayed Short-Circuit Release Setting | 819-819 A |
| Rated Short-Circuit Breaking Capacity (Icu) at 400V AC | 50 kA |
| Rated Short-Circuit Making Capacity (Ics) at 415V | 50 kA |
| Rated Operating Voltage (Min-Max) | 220-690 V |
| Rated Operation Power at AC-3, 230V | 15 kW |
| Rated Operation Power at AC-3, 400V | 30 kW |
| Motor Protection Rating | 3-phase motors up to 30kW/415V |
| Switching Technique | Thermomagnetic |
| Thermal Overload Protection | Yes |
| Phase Failure Sensitivity | No |
| Integrated Auxiliary Switch | Yes |
| Under-Voltage Release | Yes, Integrated |
| Number of Poles | 3 |
| Main Circuit Connection Type | Frame Clamp |
| Conductor Capacity (Single) | 0.75mm² to 35mm² |
| Conductor Capacity (Dual) | 2 x 0.75mm² to 25mm² |
| Control Element Type | Turn Button (Rotary Handle) |
| Device Construction | Built-in Device Fixed Built-in Technique |
| Degree of Protection (IP) | IP20 |
| Height | 140 mm |
| Width | 55 mm |
| Depth | 144.6 mm |
| Mounting Method | 35mm Top Hat Mounting Rail (IEC 60715) or Mounting Plate |
| Accessory Compatibility | Compatible with MPX3 Auxiliaries |
| Environmental Compliance | RoHS Compliant, Substance-Restriction Requirements Met |
| Application | Tertiary and Industrial Installations |
| Warranty | As per Legrand Standard Warranty Policy |