Yueqing Leqi Electrical Appliances Co. Ltd

Model Number: JN15-12(7.2)/31.5 Brand Name: Leqi Key Specifications/Special Features: Summary:JN15-12 indoor HV earthing switch meets GB1985 AC HV disconnect switchand earth switch, relative standards IEC60129 and passes KEMA testThe apparatus applies to power system of rating below12kV/40.5kV andAC 50/60Hz suitable for various types HV switchgear for earthing protectionThe holistic earthing switch consists of basis, supporting insulator, main axis, main blade, fast spring, fixed and moving contact

Ambient condition:

• Altitude: ≤1000m
• Ambient temperature: -25℃ ~+40℃
• Relative humidity: daily average≤95% , monthly average≤ 90%
• Earthquake intensity: 8 degree

Technical specification:

• Item: Unit data
• Rated voltage: kV 12
• Rated short-time withstand current: kA 31.5
• Rated short-circuit duration: s 4
• Rated short-circuit making current: kA 80
• Rated peak withstand current: kA 80
• Central distance between poles: 150, 165, 210, 230, 250, 275mm
• Rated insulating level 1 min PF withstand voltage: KV 42/49
• Light impulse withstand volt: 75/85