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This document is the instruction manual for Toshiba Type CV-10HA (non-latched) and CV-10HAL (latched) high-voltage vacuum contactors. It details general descriptions, precautions for special applications such as outdoor cubicles or chemical plants, and specific installation requirements including mounting surface leveling and wiring specifications.
The guide provides comprehensive technical ratings, outline drawings, and operational procedures. Crucially, it includes detailed criteria for durability and maintenance, specifying electrical and mechanical service life limits (e.g., 100,000 operations) and recommended replacement intervals for parts like the vacuum interrupter, auxiliary switch, and drive unit.
| Rated operation voltage | 12/15 kV |
|---|---|
| Rated operational current | 400 A |
| Thermal current | 450 A |
| Rated short-time withstand current | 5/4 kA |
| Electrical service life | 100,000 operations or 15 years |
The device should be used at an altitude of less than 1000m, with ambient temperatures between -5°C and +40°C.
Visual inspection should be performed once a month, while regular inspections are required once a year.
The end of life is reached if a contact wear gauge or a 1.0mm thickness gauge cannot be inserted between the lever and washer.