This manual provides detailed instructions for CV-10HB and CV-10HBL vacuum contactors. It introduces the product features, technical parameters, installation and use methods, and maintenance methods.
The document provides comprehensive instructions for the Toshiba CV-10HB series of high-voltage vacuum contactors. It details general descriptions, precautions for special applications such as outdoor cubicles or chemical plants, and procedures for receiving, unpacking, storing, and handling the equipment safely.
Key sections include installation guidelines specifying mounting requirements and wiring precautions, detailed electrical ratings for voltage and current, outline drawings, structural information, operation instructions for both non-latched and latched types, trial operation steps, and inspection and maintenance schedules including insulation resistance testing.
| Rated operation voltage | 12 (13.8) kV |
|---|---|
| Rated operational current | 400 A |
| Thermal current | 450 A |
| Rated short-time withstand current | 5000 A-s |
| Rated peak withstand current | 12500 A |
| Closing voltage | 100-240 VAC / 100-220 VDC |
| Tripping voltage | 100-110 VDC |
The minimum ambient temperature is -5°C and the maximum is +40°C, with an average over 24 hours not exceeding +35°C.
The contactor should be used at an altitude less than 1000m.
Visual inspections should be carried out once a month, while regular inspections should be done once a year.
The insulation resistance between phases, electrodes, and ground must be more than 50M Ω when measured with a 1000V megger.