JN15-12 Indoor High Voltage Grounding Switch
Short Description:
summary:JN15-12 indoor high-voltage grounding switch is a product that has reached the level of domestic innovation. Its performance meets the requirements of GB1985-2004 AC High Voltage Isolating Switches and Grounding Switches and IEC129, and is suitable for use in power systems with AC 50Hz of 12 …
Product details
summary:
JN15-12 indoor high-voltage grounding switch is a product that has reached the level of domestic innovation. Its performance meets the requirements of GB1985-2004 "AC High Voltage Isolating Switches and Grounding Switches" and IEC129, and is suitable for use in power systems with AC 50Hz of 12kV and below. It can be used in conjunction with various types of high-voltage switchgear and can also be used as grounding protection for high-voltage electrical equipment maintenance.
This type of switch can be used in conjunction with live display devices.
Normal usage conditions:
◇ Altitude: not exceeding 1000m;
Surrounding air temperature: upper limit of 40 ℃, lower limit of -25 ℃;
The seismic intensity shall not exceed 8 degrees;
◇ No flammable, explosive, severe dust, chemical corrosion, or severe vibration areas.
Main technical parameters:
| Serial Number | project | unit | parameter | |
1 | Rated current | kA | 12 | |
2 | Rated short-time withstand current | kA | 31.5 | |
3 | Rated short-circuit duration | S | 4 | |
4 | Rated short-circuit closing current | kA | 80 | |
5 | Rated peak withstand current | kA | 80 | |
6 | Interphase center distance | mm | 210，230,250,275 | |
7 | Rated insulation level | 1minPower frequency withstand voltage | kV
| 42 |
| Lightning impulse withstand voltage | 75 | |||
Appearance and installation dimensions：
| Model specifications | 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 |
