SHANGHAI YONGDA ELECTRIC

The VYD-12 series indoor high voltage vacuum circuit breaker is three-phase AC 50Hz, rated voltage of the 7.2/KV indoor high voltage switchgear. As network equipment, protection and control unit labor Kuang power equipment business.
Breaker in line with China's national standard GB1984-2003 "AC high voltage circuit breakers", JB3855-96 "in the 3.6 ~ 40.5KV indoor AC high voltage vacuum circuit breaker", DL/T403-2000 "within 12 ~ 40.5KV indoor high voltage vacuum circuit breaker order technical conditions "disease meets IEC60694: 1996 requirements, with reliable interlock function.
The VYD-12 series indoor high voltage vacuum circuit breaker with spring operating mechanism and the circuit breaker integrated body design, which can be used as a fixed installation unit can also be equipped with chassis unit consisting handcart use.

The main advantage of the product

● Drawer, fixed two installation options are available;
● complete specifications, rated current 630 ~ 3150A, short circuit current 20 ~ 40KA optional;
● The optimized spring mechanism design, high reliability, easy maintenance;
● Rated voltage 3.6/7.2/12KV, adapted to the 50/60Hz power system;
● armored indoor air insulated switchgear (eg KYN96-12, KYN28-12) is an ideal accessory products;
● It can be widely used in power plants, power, petrochemical, metallurgy, urban construction and other infrastructure projects;
● fully meet GB, JB and IEC and other domestic and international standards.

● Altitude: not exceed 1000m;
● Ambient temperature: Maximum temperature: +40 ℃; minimum temperature: -15 ℃
Humidity
Daily average relative humidity: ≤ 95% average daily saturated vapor pressure: ≤ 2.2 × 10-3Mpa
Monthly average relative humidity: ≤ 90% monthly average saturation vapor pressure: ≤ 1.8 × 10-3Mpa
● Use the site without dripping, fire, no explosion, heavy pollution, chemical corrosion and violent vibration;
● earthquake intensity does not exceed 8 degrees;
● If the special conditions of use, please affirm manufacturer when ordering consultation.