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Jn15-12/31.5 Indoor High Voltage Earthing Switch

Basic Info

Model No.:  JN15

Product Description

Model NO.: JN15 Rated Short Time Withstand Current (4s): 31.5ka Specification: IEC: M2-E2-C2 HS Code: 85389000 Rated Operational Voltage: 12kv Trademark: Longxiang Electric Origin: Baoji Shaanxi China JN15-12/31.5 Series of Indoor High Voltage Earthing Switch
 
1.General description
JN15-12/31.5 series indoor high voltage earthing switch (hereinafter referred to as earthing switch) is a new type earthing switch that designed and developed by our company according to market requirements. It can be used for 3~12kV three phase AC 50 (60) Hz electrical system and match all kinds of high voltage Switchgear, as well as for maintenance of high voltage electrical equipment.
The earthing switch with simple structure and good dynamic and thermal stability is light and is convenient for using and installation. It is a good replacement of JN4-10 type earthing switch.
 
2. Main technical parameters
2.1 Rated operational voltage  12kV
2.2 Rated short time withstand current (4s) 31.5kA
2.3 Rated peak withstand current 80kA
2.4 Short-circuit making current 80kA
2.5 Insulation level: full-wave impulse voltage 75kV
   Main circuit power frequency withstand voltage (1min)    42kV
2.6 After opening, the distance between gaps is no less than  125mm

3. Applying ambient conditions
3.1 Applying to below ambient conditions
3.1.1 The height above sea level: ≤1000m;
3.1.2 Ambient temperature: -10ºC~+40ºC;
3.1.3 The daily average humidity should be no more than 95%; the average humidity of a month should be no more than 90%;
3.1.4 Earthquake intensity: not exceed 8 degrees.
3.2 It should not apply to below ambient conditions:
3.2.1 The ambient conditions have gas, vapour, chemical hazard, mist, dust, filth and explosive and erosive substance that may seriously impact the insulating and electric conductive property;
3.2.2 The ambient conditions are shocked frequently and drastically.

4. Ordering instruction
The earthing switch can apply for wide range. Please advise product's type and model, assembled position of operating crankarm (left of right); if you need electrical indicator device or not; or if you have any special requirements, please discuss with the manufacturer before you place an order. 
Type E F G H D
JN15-12/31.5-150 150 75 140 515 396.5
JN15-12/31.5-165 165 75 160 565 426.5
JN15-12/31.5-180 180 75 160 595 456.5
JN15-12/31.5-200 200 75 160 635 496.5
JN15-12/31.5-210 210 75 160 655 516
JN15-12/31.5-220 220 75 160 675 536.5
JN15-12/31.5-230 230 75 160 695 556.5
JN15-12/31.5-250 250 75 160 735 596.5
JN15-12/31.5-275 275 75 185 810 646.5
 

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