China Medium Voltage Grounding Switch Earth Load Switch Electrical Earth Switch, Find details about China High Voltage Earthing Switch, Earthing Switch from Medium Voltage Grounding Switch Earth Load Switch Electrical Earth Switch
JN15-12 Earthing Switch
Description:
JN15-12/31.5 series indoor earthing switch is a new design and improved product of our company according to the ES1 type, suitable with electric power system with 3-12KV, Three-phase, AC 50(60)Hz, support with various kinds of HV switchgear and as earthing protection. It is manufactured to comply with GB1985-2004 and IEC129 standards.
| Item | Units | Data | |
| Rated voltage | kV | 12 | |
| Rated short-time withstand current | kA | 31.5 | |
| Rated short circuit withstand time | s | 4 | |
| Rated short circuit making current | kA | 80 | |
| Rated peak withstand current | kA | 80 | |
| Rated insulation level | 1 min power frequency withstand voltage | KV | 42 |
| Lightning lmpulse withstand voltage | KV | 75 | |
| Mechanism life | time | 2000 | |
| Specification | E | F | G | H | D | C |
| JN15-12/31.5-165 | 165 | 75 | 160 | 565 | 426 | |
| JN15-12/31.5-180 | 180 | 75 | 160 | 595 | 456 | |
| JN15-12/31.5-200 | 200 | 50 | 160 | 635 | 496 | |
| JN15-12/31.5-210 | 210 | 50 | 185 | 655 | 516 | |
| JN15-12/31.5-220 | 220 | 75 | 185 | 675 | 536 | |
| JN15-12/31.5-230 | 230 | 75 | 185 | 695 | 556 | 96 |
| JN15-12/31.5-250 | 250 | 75 | 185 | 735 | 596 | 96 |
| JN15-12/31.5-275 | 275 | 75 | 210 | 810 | 646 | 96 |
| 1.Ambient temperature:-10~+40ºC |
| 2.Altitude: ≤1000m (sensor height:140mm) |
| 3.Day average relative humidity :≤95% |
| 4.Month average relative humidity: ≤90% |
| 5.Earthquake intensity: ≤8 degree |
| 6.Dirtiness degree: II |
Zhejiang ZheGui Electric Co., Ltd established in 2013. We are located in Zhejiang with convenient transportation access and developed electrical market. We are group of private enterprises that hold the production license issued by the former ministry of energy and ministry mechanical and electrical engineering.
The company has nearly 60 million fixed assets and more than 60 employees, covering 23133 square meters. We are specialized in R&D production of complete switchgear of high and low voltage equipment such as prefabricated substation, distribution cabinet/box, drawer cabinet, ring network cabinet, inflatable cabinet, etc.
We owns three CNC bending machine, CNC shearing machine, CNC laser cutting machine and a series of advanced production equipment to further optimized the product structure and improve the efficiency of production. After nearly 7 years of development, it has passed ISO 9001-2000 quality system certification. All items produced by our own factory, so our advantages are: reliable quality and reasonable price. Gather the world's energy to delight your business. It's honorable for Zhegui to share your progress, brilliance and success!