Solid Sealed Indoor High Voltage Vacuum Interrupter

● Model Meaning of solid sealed indoor high voltage vacuum interrupter

ZN:Indoor vacuum circuit breaker

63:Design serial number

12:Rated voltage

● Main Structural characteristics of the sealed indoor high voltage vacuum interrupter

(1) Epoxy Encapsulated Pole: The vacuum interrupter, main circuit and other key components  of the sealed indoor high voltage vacuum interrupter are integrally cast with epoxy resin to form a fully enclosed structure.

Advantages: Dust-proof, moisture-proof and corrosion-resistant, suitable for harsh environment (such as chemical industry, mines and coastal high humidity areas). High insulation strength between phases, avoiding flashover and creepage. High mechanical strength, good seismic performance, suitable for frequent operation occasions.

(2) Operating mechanism Spring energy storage operating mechanism (can be operated electrically or manually). Mechanical life: ≥10,000 cycles (standard), and some high-end models can reach 20,000 cycles. Electrical life: ≥10,000 times at rated current High reliability can still be maintained after short circuit breaking.

(3) Intelligent expansion (optional) Integrable intelligent controller, supporting: Over-current, short circuit and grounding fault protection Power quality monitoring (such as voltage fluctuation and harmonics) Remote communication (RS485, wireless LoRa, etc.)

● Typical application scenarios of solid sealed indoor high voltage vacuum interrupter

▶Distribution system: Solid sealed indoor high voltage vacuum interrupter is suitable

incoming/outgoing line protection for 12kV substation.

▶Industrial electricity: motor protection for heavy industries such as metallurgy, chemical industry and mining.

▶New energy: photovoltaic and wind power box transformer high voltage side switch.

▶Rail transit: subway and high-speed rail distribution system.

▶Data Center: High Reliability Power Supply System

● ZN63-12 type sealed indoor high voltage vacuum interrupter

Using conditions

▶Ambient temperature range: The ambient temperature ZN63-12 type sealed indoor high voltage vacuum interrupterof should be -15~40℃(Storage and transportation at -30℃ is allowed )

▶Altitude: The sealed indoor high voltage vacuum interrupter should be installed less than 1000 meters.

▶Relative humidity: the daily average is not more than 95%, the monthly average is not more than 90%, the daily average of saturated vapor pressure is not more than 2.2×10-3MPa, and the monthly average is not more than 1.8×10-3MPa.

▶Earthquake intensity: ≤8 

Note：ZN63-12 type sealed indoor high voltage vacuum interrupter shall be installed in a place free from fire, explosion, serious pollution, chemical corrosion and violent vibration.

● Technical parameters of ZN63-12 type sealed indoor high voltage vacuum interrupter