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Cheap price Transformer Surge Arrester - 12kV Indoor High Voltage Combined Load Earthing Switch for Switchgear – Aiso Detail:
Switch Product Description
Jn15 indoor high-voltage alternating-current earthing switch is used as a support product for indoor three-phase alternating- current power systems of 3 ~ 40.5kV and 50(60)Hz and high- voltage switch cabinets or as an earthing switch for the overhauls of high-voltage electrical equipment. It is characterized by simple and compact structure, light weight, flexible operation, easy installation and good thermal stability and dynamic stability.
JN15-12/24/40.5KV indoor high-voltage alternating-current earthing switch is produced in line with the following standards and codes.
GB 1985 High-voltage alternating-current disconnectors and earthing switchesIEC 62271-102 High-voltage alternating-current disconnectors and earthing switches
High Voltage Combined Earthing Switch Environmental Conditions Ambient temperature: – 40°C~+40°C (below 35°C within 24 hours) Relative humidity: ≤95% (daily average) or ≤90% (monthly average)
Altitude: ≤ 1000m
Grounding Switch Main Technical Parameters
| Item |
Unit |
Rsference valie |
| Rated voltage |
KV |
12/24/40.5 |
| Rated insulation level |
Lightning impulse withstand voltage |
KV |
75,145,185 |
| 1min power-frequency withstand voltage |
KV |
42,65,95 |
| Rated frequency |
Hz |
50 / 60 |
| Rated short-time withstand current |
kA |
31.5 / 40 |
| Rated withstand current(peak value) |
kA |
80 / 100 |
| Interphase center distance |
mm |
See the table |
Note:Please contact the factory to confirm the latest parameters
Outline and installation dimension

| Model and specification |
E |
L |
C |
| JN15-12/40-150 |
150 |
540 |
396 |
| JN15-12/40-210 |
210 |
655 |
516 |
| JN15-12/40-230 |
230 |
710 |
556 |
| JN15-12/40-250 |
250 |
760 |
596 |
| JN15-12/40-275 |
275 |
810 |
646 |
Product picture details (Real product picture, unprocessed)


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We have advanced equipment. Our products are exported to the USA, the UK and so on, enjoying a good reputation among customers for Cheap price Transformer Surge Arrester - 12kV Indoor High Voltage Combined Load Earthing Switch for Switchgear – Aiso, The product will supply to all over the world, such as: Manila, South Korea, Paraguay, In order to meet our market demands, we have paied more attention to the quality of our products and services. Now we can meet customers' special requirements for special designs. We persistently develop our enterprise spirit "quality lives the enterprise, credit assures cooperation and keep the motto in our minds: customers first.