High Voltage Switchgear

High Voltage Switchgear
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High Voltage Switchgear

  • 1Application of domestic and foreign circuit breaker with high reliability and long life span.
  • 2Consideration of electrical and mechanical stability with engineering design.
  • 3Economical products with easy maintenance.
  • 4Preservation of long life span with excellent blockage and input trait of circuit breaker and steadfast operating devices.
  • 5With the excellent insulation restoration trait during the electric current blockage under high degree of vacuum state, its Arc period is less than 15ms.
  • 6There is no lowering of the vacuum level and abrasion in the joints even with the long-term use of vacuum circuit breaker. It is excellent in blockage capacity has long mechanical life span.


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
(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

  • [Ulsan Factory] #24 Hwalbam-ro, Buk-gu, Ulsan, Korea TEL 052-280-0800 FAX 052-287-8598
  • [Busan Factory] Nasan Riverville 5, Nakdongnam-ro 1390beon-gil, Saha-gu, Busan TEL 051-260-1300 FAX 051-260-1399
  • [Eonyang Factory] #58 Galjun-gil, Eonyang-eup, Ulju-gun, Ulsan, Korea TEL 052-280-0700 FAX 052-254-8581
  • [Mungyeong Factory] #19-14 Sanyang Ind.Park 1 road, Sanyang-myun, Mungyeong-si, GyeongSangbuk-do, Korea TEL 054-556-8580 FAX 054-556-8581
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