Shop Legrand MPX3 Motor Protection Circuit Breaker 28-40A 50kA | 417366 In Iraq Best Prices
Compact 3-phase motor protection circuit breaker with adjustable 28-40A thermal-magnetic protection, 50kA breaking capacity, integrated auxiliaries, and rotary handle control for industrial and tertiary installations.
The Legrand MPX³ is a compact motor protection circuit breaker specifically designed for protection, control, and isolation of 3-phase motors up to 18.5kW. This advanced device combines thermomagnetic protection with adjustable settings ranging from 28A to 40A, providing reliable motor protection in both tertiary and industrial installations. With a breaking capacity of 50kA at 415V, the MPX3 ensures superior safety and performance for demanding applications.
Features include integrated auxiliary switches and under-voltage release mechanisms that enhance operational safety and control capabilities. The device is equipped with cage terminals capable of accommodating conductors from 0.75mm² to 35mm² (or 2 x 0.75mm² to 25mm² for dual conductors), making it versatile for various installation configurations. The rotary handle design enables easy and intuitive operation, while the compact form factor optimizes cabinet space utilization.
Compliant with IEC standards and environmental regulations, the MPX3 represents Legrand's commitment to quality and sustainability. The device is compatible with MPX3 auxiliaries, allowing for flexible system integration and expansion. Installation is simplified through compatibility with standard 35mm 'top hat' mounting rails (IEC 60715) and mounting plates, making it an ideal choice for modern electrical installations.
Key Features
- Adjustable thermal-magnetic protection with 28-40A range for flexible motor protection
- 50kA breaking capacity at 415V (Icu/Ics) for reliable short-circuit protection
- Integrated auxiliary switches and under-voltage release for enhanced safety
- Compact design optimizes cabinet space with reduced footprint
- Rotary handle operation enables easy and intuitive control
- Compatible with MPX3 auxiliaries for system flexibility
- Cage terminals accommodate 0.75mm² to 35mm² conductors
- Suitable for 3-phase motors up to 18.5kW at 400V or 7.5kW at 230V
- IP20 degree of protection for standard installations
- Compliant with IEC standards and environmental regulations
Technical Specifications
| Specification |
Value |
| Product Type | Motor Protection Circuit Breaker |
| Brand | Legrand |
| Model Series | MPX³ (MPX3) |
| Reference Number | 417366 |
| EAN Code | 3414970396112 |
| Number of Poles | 3 (Three-phase) |
| Rated Permanent Current (Iu) | 40 A |
| Overload Release Current Setting Range | 28-40 A |
| Undelayed Short-Circuit Release Range | 520-520 A |
| Rated Operating Voltage Range | 220-690 V AC |
| Rated Short-Circuit Breaking Capacity (Icu) at 400V AC | 50 kA |
| Rated Short-Circuit Breaking Capacity (Ics) at 415V AC | 50 kA |
| Rated Operation Power AC-3 at 230V | 7.5 kW |
| Rated Operation Power AC-3 at 400V | 18.5 kW |
| Motor Protection Range | Up to 18.5kW at 415V |
| Protection Type | Thermomagnetic |
| Thermal Overload Protection | Yes |
| Phase Failure Sensitive | No |
| Integrated Auxiliary Switch | Yes |
| Integrated Under-Voltage Release | Yes |
| Control Element Type | Rotary Handle (Turn Button) |
| Electrical Connection Type | Frame Clamp (Cage Terminals) |
| Conductor Capacity | 0.75mm² to 35mm² / 2 x 0.75mm² to 25mm² |
| Device Construction | Built-in Fixed Device |
| Mounting Method | 35mm Top Hat Rail (IEC 60715) or Mounting Plate |
| Degree of Protection (IP Rating) | IP20 |
| Height | 140 mm |
| Width | 55 mm |
| Depth | 144.6 mm |
| Auxiliary Compatibility | Compatible with MPX3 Auxiliaries |
| Environmental Compliance | RoHS Directive Compliant |
| Standards Compliance | IEC 60715, IEC Standards |
| Installation Type | Tertiary and Industrial Installations |
| Application | 3-Phase Asynchronous Motor Protection and Control |
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