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General| Rated Frequency | 50/60 Hz |
|---|---|
| Insulation Medium | Vacuum |
| Rated Current | 630 A, 1250 A, 1600 A, 2000 A, 2500 A, 3150 A |
| Rated Short-Circuit Breaking Current | 25 kA, 31.5 kA |
| Rated Short-time Withstand Current | 25 kA, 31.5 kA |
| Rated Peak Withstand Current | 63 kA, 80 kA |
| Mechanism Type | Spring-operated mechanism |
| Standards | IEC 62271-100 |
Provides a description of the HMB mechanism's components and operating principles.
Explains the hydraulic process for the CLOSE operation of the HMB-8 mechanism.
Explains the hydraulic process for the OPEN operation of the HMB-8 mechanism.
Details the function of the pressure relief valve for component protection.
Outlines essential safety and preparation steps before performing any mechanism maintenance.
Covers general practices such as cleanliness, seals, and hydraulic oil service life.
Details specific procedures for maintaining the HMB-8 mechanism, including oil and parts replacement.
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