We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate inside our success for 12kv/24kv/36kv Switchgear/ Switchboard/ Electrical Cubicle/ Sf6 Ring Main Unit Made in China, We have now much more than 20 years experience with this industry, and our profits are perfectly experienced. We can easily supply you with the most specialist solutions to meet your products’ needs. Any troubles, appear to us!
We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate inside our success for , Our solutions are produced with the best raw materials. Every moment, we constantly improve the production programme. In order to ensure better quality and service, we have now been focusing on the production process. We have got high praise by partner. We’ve been looking forward to establishing business relationship with you.
★RSA-12 environment protection gas insulated ring network switchgear is a kind of digital ring network switchgear with environment protection materials, full insulation, full sealing, economic price and convenient operation.
★All conductive parts in the mechanism are installed in a sealed stainless steel air box, with dry air as the insulation main body, the main mechanism adopts vacuum arc extinguishing, and the disconnector adopts three position structure.
★The adjacent switchgear are connected by solid insulated bus.
★The secondary circuit adopts integrated control technology, supports data transmission function.


We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate inside our success for China Wholesale 0.4kv/12kv/24kv/36kv Switchgear/ Switchboard/ Electrical Cubicle/ Sf6 Ring Main Unit Made in China, We have now much more than 20 years experience with this industry, and our profits are perfectly experienced. We can easily supply you with the most specialist solutions to meet your products’ needs. Any troubles, appear to us!
China Wholesale Ring Main Unit and Rmu, Our solutions are produced with the best raw materials. Every moment, we constantly improve the production programme. In order to ensure better quality and service, we have now been focusing on the production process. We have got high praise by partner. We’ve been looking forward to establishing business relationship with you.
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Parameter
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| 1 | Rated frequency/Voltage/Current | 50Hz/12kV/630A |
| 2 | Rated short-time withstand current | 20kA/4s |
| 3 | Rated power frequency withstand voltage | 42/48kV |
| 4 | Rated lightning impulse withstand voltage | 75/85kV |
| 5 | Loss category of operation continuity | LSC 2B |
| 6 | Internal arc grade | Arrange against the wall IAC A FL 20kA/1S |
| Arrange from the wall IAC A FLR 20kA/1S | ||
| 7 | Protection grade of switch/cabinet | IP67/IP41 |
| Environment | ||
| 1 | Ambient temperature | -40℃~60℃(Customized below -25℃) |
| 2 | Relative humidity | ≦95% |
| 3 | Altitude | ≦4000m |
| 4 | Anti-seismic | Grade 8 |
| 5 | Especially suitable for plateau, coastal, alpine, high pollution and other areas. | |
| ※RSA-12 environment-protection gas insulated ring network switchgear will not have the air pressure gradually decreasing like SF6 switch at low temperature, and the insulation will continue to decline throughout the process, leading to insulation failure | ||
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Executive standards
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| GB 3906-2006 | 3.6kV~40.5kV AC Metal Enclosed Switchgear and Control Equipment | |
| GB/T 11022-2011 | Common Technical Requirements for High Voltage Switchgear and Control Equipment Standards | |
| GB 3804-2004 | 3.6kV~40.5kV High Voltage AC Load Switch | |
| GB 1984-2014 | High Voltage AC Circuit Breaker | |
| GB 1985-2014 | High Voltage AC Disconnectors and Earthing Switches | |
| GB 3309-89 | Mechanical Test of High Voltage Switchgear at Room Temperature | |
| Executive standards | ||
| GB 13540-2009 | Seismic requirements for high-voltage switchgear and control equipment | |
| GB/T 13384-2008 | General Technical Conditions for Packaging of Mechanical and Electrical Products | |
| GB/T 13385-2008 | Packaging Drawing Requirements | |
| GB/T 191-2008 | Packaging Pictorial Marks for Storage and Transportation | |
| GB 311.1-2012 | Insulation Coordination Part 1 Definitions, Principles and Rules | |