Residual Current Circuit Breaker
This residual current circuit breaker features advanced design and manufacturing technology. With an insulation voltage of 800V, it is suitable for AC50Hz circuits with a rated working voltage of 400V and a rated working current of 400A.





Technical Specifications
Product Overview
Professional Residual Current Protection
The YFM1LE series is a high-performance residual current circuit breaker engineered with advanced design and manufacturing technology. It provides comprehensive protection against overload, short-circuits, and under-voltage, while specifically preventing fire risks and electrical shocks caused by earth faults. Compact and vibration-proof, this series is suitable for diverse electrical distribution systems and can be mounted either vertically or horizontally.

Electrical Ratings
- Insulation Voltage
- 800 V
- Rated Working Voltage
- 400 V
- Rated Frequency
- 50 Hz
- Pole Configurations
- 3P3P+N4P
Performance
Breaking Capacity Types
- L type: Higher breaking capacity
- M type: High breaking capacity
Featured Metrics
Main Technical Parameters
| Model | Rated Current | Icu (kA) | Ics (kA) |
|---|---|---|---|
| YFM1LE-100L | 16-40 | 35 | 26.5 |
| YFM1LE-100H | 50-100 | 70 | 50 |
| YFM1LE-225L | 100-160 | 35 | 22 |
| YFM1LE-225M | 180-225 | 50 | 35 |


Compliance
- Standards and Certifications
- GB14048.2IEC60947-2ISO 9001ISO 14001



