JN15-12/31.5 type indoor high voltage earthing switch is the assembly type products, its performance meet GB1985-2004. High Voltage AC Disconnector and Earthing Switch and the requirements of standard IEC62271-102:2002. The products suit for power system with 3.6kV-12kV, 3 phase, AC, 50(60)Hz; It has capacity of short-circuit close to protect the electrical equipment from damage, applicable for high voltage switchgear arrangement as the earthing protection when do maintenance.
Standard working condition
1. Altitude sea level not exceeding 1000m;
2. Ambient air temperature: +45℃ ,-25℃ ;
3. Seismic intensity not exceeding 8 degree;
4. Related humidity daily average value not more than 95%, monthly average not more than 90%;
5. Pollution class: II
Special condition: Please specify when ordering.
| Items | Unit | Data | ||
| Rated voltage | kV | 12 | ||
| Rated short-time withstand current(4s) | kA | 31.5 | ||
| Rated short-circuit duration | s | 4 | ||
| Rated short-circuit close current | kA | 80 | ||
| Rated peak withstand current | kA | 80 | ||
| Rated insulation level | Rated short-time power | kV | Phase to earth/between phase | 42 |
| Rated lighting impulse withstand voltage | 75 | |||
| Mechanical endurance | times | 2000 | ||
The earthing switch closes reliably against short circuit currents, protecting technicians and switchgear from accidental operation. CAVANNA is one of the reputed Earthing Switch Manufacturers with superb engineering skills in making quality Earthing Switches. Our workshop management and first-class quality control system enable us to fulfill bulk orders with fast lead times, while still offering high quality and cost-effective prices.
The use of new technology silver brazing contacts has low resistance, good conductivity and high mechanical strength.
Epoxy resin insulation column body, high insulation level, strong resistance to dynamic and stable current.
Rugged, unbreakable, easy to use and lightweight.
As global experts in the switchgear industry, we help your business thrive and your power system stabilize every step of the way, before and after your order is placed.
TAG: #Earthing Switch, #Ground Switch, #JN15-12, #EK6, #JN17, #JN22
