JN15-12(40.5) Indoor AC High Voltage Earthing Switch

JN15-12 indoor HV earthing switch absorbs advanced new technics from
domestic and abroad. It conforms to GB1985 ACHVdisconnect switch and earth
switch, relative standards IEC60129 and passes KEMA tes t.

The appara tus
applies to power system of rating below12kV/40.5kV, and AC 50/60Hz. It is
suitable for various types HV switchgear for earthing protection. Th e holisti c
earthing switch consists of basis, supporting insulator, main axis, main blade,
fast spring, fixed and moving contact. Additional electronic display is also
available according to the user's requirement.

Ambient condition

  1. Altitude: ≤1000m;
  2. Ambient temperature: -25℃ ~+40℃ ;
  3. Relative humidity: daily average ≤95% , monthly average ≤90% ;
  4. Earthquake intensity: 8 degree.

Product feature

  1. Advanced design and steady performance.
  2. Simple structures, simple mounting and adjustment.
  3. Quick breaking and making capability.
  4. Handsome appearance and delicate manufacture technics.
  5. Usable and scientific, available operation on both two sides(right and left).

Technical specification

ItemUnitData
Rated voltagekV1240.5
Rated short-time withstand currentkA31.5, 40,5031.5
Rated short-circuit durations44
Rated short-circuit making currentkA80, 100, 12580
Rated peak withstand currentkA80, 100, 12580
Central distance between polesmm150, 165, 210, 230, 250, 275350 385 460
Rated insulting level1min. PF withstand voltage  kV42/4995
Lightning impulse withstand voltage75/85185

Outline Dimension

Popular Products

  • SFAI (Air Type)(Smart Fault Automatic Interrupter) 

    ORC unit of the new design, which solve the mobility caused by ageing, provides the reliable circuit interruption performance without external arc of flame and completely prevents the switch from the arc caused by switching the load currents 400/ 630A at rated voltage

    Learn More
  • GN30-12(D)Rotary Indoor AC HV Disconnect Switch

    GN30-12(D) disconnec t switch is an indoor electric apparatus of rated voltage
    12kV, three-phase AC50/60Hz. It is used to make break and transfer current
    for HV ele ctric apparatus under situations with voltage and no-load.

    Learn More