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Contact SupplierVib-24 series of indoor high voltage vacuum circuit breaker with embedded poles is three phase ac 50hz indoor power distribution equipment with rated voltage 24kv.it's used for protecting and controlling the electrical equipment in the fileds of industry&mining, power plants and substation.
The main conductive circuit of this type vacuum circuit breaker is embedded pole, with spring mechanism, which can greatly improve the reliability of insulation,mechanical and breaking performance, and realize the maintance free and longer service life.
This vib-24 vcb conforms to standards of iec and china national standard. The capability reaches to grade m2-e2-c2.
The products is used for switchgear like kyn28-24(gzs1)and can be fixed installation.
Applying ambient conditions
1.ambient temperature:-15âºc~+40âºc.
2.ambient humidity: average humidity daily no more than 95%; average humidity monthly no more than 90%.
3.earthquake intensity: not exceed 8 degrees.
4.saturated vapour pressure: average pressure daily no more than 2.2kpa; average pressure monthly no more than 1.8kpa.
5.the height above sea level: 1000m (special oem accepted).
6.it should be installed in the places without fire, explosion, serious filth,chemical erosion and violent vibration.
7. Competitive price, reliable quality and rapid on-time delivery.
Product specification:
1. Rated voltage: 24 kv
2. Rated frequency: 50hz
3. Rated current: 630a~3150a
4. Rated short circuit breaking current: 20~31.5 ka
5. Rated short-circuit duration: 4s
6. Rated operating sequence: 0-0.3s-co-180s-co
7. Mechanical endurance: 10000 cycles
8. Rated power frequency withstand voltage: 65 kv