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FKRN12-12 indoor pneumatic load switch
  Detailed introduction

1.Product Introduction

FKN12-12 series indoor pneumatic load switch and FKRN12-12 series indoor pneumatic load switch and fuse combination apparatus are new series switchgear applies to three-phase electric distribution system of rated 12kV, acting as protecting and control apparatus for transformers, cable and over head wiring.

These series are especially applicable in rural, urban terminal substation and prefabricated substations, as well as ring network power supply.

FKN12-12 can break and make load current and over-current.

FKRN12-12 can break and make over-current, load current and short-circuit current (limiting fuse). These series products feature with impact structure, aesthetic appearance, reliable interlock and high insulting level. In the spring storage operation mechanism, CO speed is free from the influence of the manpower. For the arc extinguish, electric arc- extinguish inside the insulating cover, the free gas occurs at sparking do not cause descend of insulating level between phases and phase to earth. The insulation cover clapboard separates electrified part thus boost protection grade of ring main unit. The copper-tungsten contact and main contact brings along reliable conductivity and long life. This product achieves sound fame due to the easy maintenance and operation as well as reliable performance.

2.Ambient condition

2.1. Altitude: not over1000m;

2.2. Ambient temperature: -25°c ~+40°c;

2.3. Relative humidity: daily average not over 95%, monthly average 90%;

2.4. Earthquake intensity: not over 8 degree;

2.5. Pollution degree: II;

2.6. Applicable occasions should free from inflammables, explosives, corrosives and severe vibration.

3.Product feature

These series products feature with compact dimension, well design, reliable interlock and high insulating level. In the spring storage operation mechanism, C/O speed is out of manpower influence. For the arc-extinguishing, electric arc extinguish inside the insulating cover, the free gas occurs do not cause decrease of insulation level between phases and phase to ground. The clapboard of insulation cover separates electrified part thus advances protection grade of ring main unit. The copper-tungsten contact and main contact bring along reliable conductivity and long life. This product achieves sound fame due to the easy maintenance and operation as well as reliable performance.





   The previous:PGS-12/24/40.5 outdoor SF6 gas insulation load switch
   The next:FZN25/FZRN25-12D indoor vacuum load switch
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