PRODUCT DETAILS
This circuit breaker is mainly used in armor-type atmospheric pressure environmentally friendly gas cabinets. The product adopts a plywood structure and has the advantages of simple and convenient installation, reliable breaking performance, long service life, and maintenance-free. Product performance complies with the requirements of GB1984-2014 "AC High Voltage Circuit Breaker" E2-M2-C2 class circuit breaker
Usage environment
The altitude does not exceed 2000m, and the vibration intensity does not exceed 8 degrees;
The ambient air temperature is lower than +50℃ and not lower than -40℃; the daily average relative temperature is not greater than 95%,and the monthly average is not greater than 90%;
It is not suitable for use in installation sites with frequent severe vibrations, water vapor, gases, chemical corrosive deposits, salt spray, dust and dirt, as well as fire and explosion risks that significantly affect the performance of the mechanism.
Technical Parameters
Rated voltage | 12kV | Rated short circuit duration | 4s |
Rated frequency | 50Hz | Rated short circuit making current | 50kA |
Rated current | 630A | theoretical operation | 10000 times |
Rated short-time withstand current | 20/25kA | Main circuit resistance | ≤80μΩ |
Rated peak withstand current | 50kA | 1min power frequency withstand voltage | 42/48kV |
Installation dimensions
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