Electric electronic apparatus for Vessel & Industrial plant facility, Solar module manufacturing development
Extra High Voltage Switch gear
Contains a highly efficient vacuum circuit breaker(VCB). a gas circuit breaker(GCB) or a vacuum contact switch(VCS) to enhance the excellence and safety of power supply so that it can idealize the power supply system of generation plants, industrial plants, buildings, and treatment plants, it especially satisfies the regulations of Korea Electrical Safety corporation so as to achieve high reliability.
1. Contains highly reliable and durable domestic and foreign breakers.
2 .Maximizes electrical and mechanical stability.
3. Economical and easy to maintain.
4. Highly durable with excellent breaking and closing characteristics.
5. Has an excellent insulation recovering characteristic on current vreaking in a high-vacuum state (less than 15 ms of arc period) .
6. Has very low vacuum rate decline and wear of contacts with long-time use of the vacuum breaker, with highly efficient breaking and high mechanical durability.
Extra High Voltage Switch Gear
Items | Bases | ||||
---|---|---|---|---|---|
Standards | IEC, BS | ESB | JEM | ||
Rated Voltage [KV] | 3.6/7.2/12(15)/17.5/24/36 | 4.76/7.2/15/25.8 | 3.45/6.9/11.5/23/34.5 | ||
Rated Bus Current [A] | 400, 600, 800, 1200, 1500, 2000, 25000, 3000, 4000 | ||||
Rated Short-time Current (1s) [KA] | 8, 12.5, 20, 25, 31.5, 40 | ||||
Rated Impulse Withstand Voltage (Maximum Volue) & Rated Withstand Voltage (Virtual Value) | Voltage | 7.2KV | 12KV | 15KV(17.5KV) | 22.9KV(24/25.8KV) |
BIL [KV] | 60(45)2) | 75 | 75(95)3) | 125 | |
WithstandVoltage [KV] | 20(16)2) | 28 | 28(38)3) | 50 |