| Product Type | Motor Protection Circuit Breaker |
| Brand | Legrand |
| Model | MPX³ 63H |
| Reference Number | 417367 |
| EAN Code | 3414970396136 |
| Number of Poles | 3 |
| Rated Permanent Current (Iu) | 50 A |
| Overload Release Current Setting (Min-Max) | 34-50 A |
| Undelayed Short-Circuit Release Setting | 650 A |
| Rated Short-Circuit Breaking Capacity (Icu) | 50 kA at 400V AC |
| Rated Short-Circuit Breaking Capacity (Ics) | 50 kA at 400V AC |
| Rated Operating Voltage Range | 220-690 V |
| Rated Operation Power at AC-3, 230V | 11 kW |
| Rated Operation Power at AC-3, 400V | 22 kW |
| Motor Protection | For 3-phase motors up to 22kW at 415V |
| Thermal Overload Protection | Yes |
| Phase Failure Sensitive | No |
| Switch-Off Technique | Thermomagnetic |
| Control Element Type | Rotary Handle (Turn Button) |
| Device Construction | Built-in device fixed built-in technique |
| Integrated Auxiliary Switch | Yes |
| Integrated Under-Voltage Release | Yes |
| Main Circuit Connection Type | Frame Clamp (Cage Terminals) |
| Cage Terminal Capacity - Single | 0.75mm² to 35mm² |
| Cage Terminal Capacity - Dual | 2 x 0.75mm² to 25mm² |
| Degree of Protection (IP) | IP20 |
| Height | 140 mm |
| Width | 55 mm |
| Depth | 144.6 mm |
| Mounting Type | 35mm Top-Hat Rail (IEC 60715) or Mounting Plate |
| Compatible Auxiliaries | MPX3 Auxiliaries |
| Environmental Compliance | RoHS Compliant, Substance-Restriction Requirements Met |
| Application | HVAC Systems, Pumps, Compressors, Tertiary and Industrial Installations |
| Warranty | Legrand Standard Warranty |