JN15 Series indoor high voltage grounding switch
Technical specification
|
Item |
Units |
Parameters |
||
|
Rated voltage |
kV |
12 |
||
|
Rated short-time withstand current |
kV |
31.5 |
||
|
Rated short-circuit duration |
S |
4 |
||
|
Rated circuit-time making current |
kA |
80 |
||
|
Rated peak withstand current |
kA |
80 |
||
|
Central distance between poles |
mm |
150.210.275 |
||
|
Rated insulting level |
1min. PF withstand voltage |
kV |
To earth, phase to phase/fracture |
42/48 |
|
Lighting impulse withstand voltage |
||||
Product Model
Dimension
|
Model |
L |
E |
C |
|
JN15-12/31.5-210 |
655 |
210 |
516 |
|
JN15-12/31.5-230 |
710 |
230 |
556 |
|
JN15-12/31.5-250 |
760 |
250 |
596 |
|
JN15-12/31.5-275 |
810 |
275 |
646 |
Product Functions
◆Safe Earthing Protection: Provides reliable grounding for high voltage circuits during maintenance and repair operations.
◆Short-Circuit Withstanding: Engineered to withstand fault currents during earthing conditions, ensuring operator and equipment safety.
◆Fast Operation: Spring-assisted mechanism enables quick making of ground connections when required.
◆Visible Grounding Position: Clear mechanical indication of switch position confirms proper earthing for maintenance crews.
◆Electronic Display Option: Available with additional electronic display for remote status indication and enhanced safety verification.
Applicable Environment
◇Rated System: Suitable for 12kV and below, 50/60Hz AC power systems.
◇Temperature Range: Reliable operation in ambient temperatures from -10℃ to +40℃.
◇Installation Altitude: Designed for elevations up to 1000 meters.
◇Humidity Tolerance: Withstands daily average humidity ≤95% and monthly average ≤90%.
◇Seismic Resistance: Capable of withstanding earthquake intensity up to 8 degrees.
◇Air Quality: Suitable for locations free from fire, explosion hazards, and chemical erosion.
Product Highlights
◆Advanced Design Integration: Absorbs advanced technical features from domestic and international sources, combining best practices into a superior grounding solution.
◆Robust Mechanical Construction: Built with high-quality components including basis, supporting insulator, main axis, main blade, fast spring, and fixed/moving contacts for long-term durability.
◆Versatile Switchgear Compatibility: Specifically designed for use with various types of high voltage switchgear, ensuring easy integration into existing systems.
◆Optional Electronic Display: Available with electronic display feature for applications requiring remote status monitoring and enhanced safety confirmation.
◆Complete Earthing Protection: Provides comprehensive grounding functionality with fast-acting spring mechanism and clear position indication for maximum operator safety during maintenance.