Original
By certification 
Key Specifications/Special Features:
1. Motor protection
2. High breaking capability
3. High voltage current limiting fuse
4. Suitable for electrical power system of AC 50Hz, rated voltage 10kV and below, rated current up to 400A(3.6KV), 224A(7.2KV) circuit for protecting motor and other power equipment from overload and short-circuit.
5. High-pressured fuse conforms to the national GB15166.2 standard and the international electrical committee IEC 60282 standard as well as German DIN standard and British BS standard.
| Foreign Model | Department Model | Rated voltage (kV) | Rated current (A) | Rated breaking current (kA) | Diameter (mm) |
Length (mm) |
| WDF. O | XRNM1 | 3.6 | 31.5, 40, 50, 63, 80, 100, 125 | 50 | 51 | 254 |
| WFF. O | XRNM1 | 3.6 | 125, 160, 200 | 50 | 76 | 254 |
| WKF. O | XRNM1 | 3.6 | 250, 315, 355, 400 | 50 | 76 | 254 |
| WFN. O | XRNM1 | 7.2 | 25, 31.5, 40, 50, 63, 80, 100, 125, 160 | 40 | 76 | 403 |
| WKN. O | XRNM1 | 7.2 | 200, 224 | 40 | 76 | 403 |
| XRNM1 | 10 | 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200, 224 | 40 | 76 | 600 |
