ZN23-40.5 series handcart type indoor vacuum circuit breaker for the high life rated 40.5kA, three-phase AC 50Hz indoor high-voltage electrical equipment. Apply to industrial and mining enterprises, substation and transmission and distribution systems for control and protection switching; particularly suitable for metallurgy, electric arc steel-making industries, etc. frequent operation required, as a control and protection equipment. This product meets the GB 1984-89 “AC High Voltage Circuit Breaker” standard. Circuit breaker directly into the GBC-35, JYN1-35 cabinet, remove the plug can be installed separately
1. Altitude: ≤1000m;
2. Air temperature: -15°C ~ +40°C;
3. Relative humidity: daily average is not more than 95%, saturated vapor pressure daily average is not more than 1.8kPa.
4. Earthquake intensity: not more than 8.
5. Installation places: No fire, explosion hazard, serious filthy places.
6. In the second system, the amplitude of induced electromagnetic interference does not exceed 1.6kv
7. Power condition: DC 110V, 220V; AC 110V, 220V
|2||Thunder impulse withstand voltage(peak value)||kV||185|
|3||lmin industrial frequency withstand voltage||kV||95|
|6||Rated short-circuit break current||kA||25||31.5|
|7||Rated peak value withstand current||kA||25||31.5|
|8||Rated peak value withstand current||KA||63||80|
|9||Rated short-circuit duration time||s||4|
|10||Rated short circuit breaking time||ms|
|11||Rated short circuit closing current||kA||80|
|12||Rated operation order||0-0.3s-C0-180s-C0|
|13||Time of closing brake||ms||50~85|
|14||Time of breaking brake||ms||40~85|
|15||Rated short-circuit current break and close times||Times||20|
|17||Rated dropout current of condenser bank||A||630|
|18||Rated power of energy-storage electric machine||W||275|
|19||Rated volt of energy-storage motor||V||25 ± 2|
|21||Closing and opening solenoid rated voltage||V||≈220,110|
|22||Loss of pressure tripping device rated voltage||V||≈220,110|
|23||Over current tripping device rated current||A||5|
|24||Auxiliary switch rated voltage current||A||DC10|
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