Shop Legrand MPX3 Motor Protection Circuit Breaker 0.4-0.63A 100KA | 417303 In Iraq Best Prices
Compact three-phase motor protection circuit breaker with adjustable 0.4-0.63A thermal setting, 100kA breaking capacity, and integrated auxiliary switches for industrial panel applications
The Legrand MPX³ motor protection circuit breaker (Model 417303) is a compact, thermomagnetic device specifically designed for protecting three-phase asynchronous motors up to 0.12kW at 415V. This advanced protective device combines motor protection, control, and isolation functions in a single unit with reduced footprint, making it ideal for space-constrained tertiary and industrial panel installations. The circuit breaker features an adjustable thermal overload setting ranging from 0.4 to 0.63A, ensuring precise protection tailored to specific motor requirements.
With an impressive short-circuit breaking capacity of 100kA at both 415V AC, this device provides superior protection against electrical faults and overcurrent conditions. The MPX³ series incorporates integrated auxiliary switches and under-voltage release mechanisms, allowing for comprehensive motor control and safety management. Its thermomagnetic switching technology ensures rapid response to both thermal overload conditions and short-circuit events, protecting connected motors from damage and ensuring operational continuity. The device operates across a wide voltage range of 220-690V, providing flexibility for various industrial applications.
The MPX³ motor circuit breaker is engineered with user convenience in mind, featuring an intuitive rocker lever control element for easy manual operation. Its compact design measures 94mm in height, 45mm in width, and 75mm in depth, allowing efficient space utilization within distribution panels. The device supports screw terminal connections accommodating wire sizes from 1mm² to 10mm² (or dual connections up to 6mm²), ensuring secure and reliable electrical connections. Compatible with the complete range of MPX³ auxiliary accessories, this circuit breaker represents a comprehensive solution for modern motor protection requirements.
Key Features
- Thermomagnetic protection with adjustable overload setting 0.4-0.63A for precise motor protection
- Short-circuit breaking capacity of 100kA at 415V AC for superior fault protection
- Compact reduced footprint design (94mm H x 45mm W x 75mm D) for space-efficient panel installation
- Integrated auxiliary switches and under-voltage release for comprehensive motor control and safety
- Wide voltage range 220-690V with rocker lever control for easy manual operation
- Screw terminal capacity 1mm² to 10mm² (dual 2x1mm² to 6mm²) for secure wire connections
- Compatible with complete MPX³ auxiliary accessory range for enhanced functionality
- Designed for 3-phase motors up to 0.12kW at 415V with IP20 protection rating
- Environmentally conscious design complying with substance-restriction requirements
- Possible fixing on 35mm top hat mounting rail (IEC 60715) for standardized installation
Technical Specifications
| Specification |
Value |
| Product Model | MPX³ 32S |
| Reference Number | 417303 |
| EAN Code | 3414970395092 |
| Overload Release Current Setting | 0.4-0.63A (adjustable) |
| Undelayed Short-Circuit Release | 8.2A |
| Rated Permanent Current (Iu) | 0.63A |
| Rated Operating Voltage Range | 220-690V AC |
| Rated Short-Circuit Breaking Capacity (Icu) | 100kA at 400V AC |
| Rated Short-Circuit Making Capacity (Ics) | 100kA at 415V AC |
| Rated Operation Power AC-3 at 230V | 0.09kW |
| Rated Operation Power AC-3 at 400V | 0.12kW |
| Motor Protection Application | 3-phase motors up to 0.12kW at 415V |
| Switching Technique | Thermomagnetic |
| Control Element | Rocker lever |
| Thermal Overload Protection | Yes - Integrated |
| Phase Failure Sensitive | No |
| Integrated Auxiliary Switch | Yes |
| Integrated Under-Voltage Release | Yes |
| Number of Poles | 3 poles |
| Device Construction | Built-in fixed mounting |
| Main Circuit Connection Type | Frame clamp terminals |
| Screw Terminal Capacity | 1mm² to 10mm² single / 2×1mm² to 6mm² dual |
| Protection Degree (IP Rating) | IP20 |
| Height | 94mm |
| Width | 45mm |
| Depth | 75mm |
| Mounting Standard | 35mm top hat rail (IEC 60715) |
| Compatible Accessories | MPX³ auxiliary range |
| Environmental Compliance | RoHS compliant, environmentally conscious design |
| Warranty | Legrand standard warranty |
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