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SRM口-12/24 Series Gas-insulated Switchgear is a completely sealed system, and all its charged parts and switches are sealed in a stainless steel box. The whole switchgear is not affected by the surrounding environment, thus ensuring the reliability and safety of operation and realizing maintenance-free. By the extendible busbar, any modular combination scheme can be realized. The extendible busbar is completely insulated and shielded. The switchgear can also provide industrialized automation solutions, realize the functions of intelligent switchgear, and minimize the workload of on-site installation and debugging.
All high voltage charged parts are located in stainless steel box, which is filled with SF6 gas with working pressure of 1.4Bbar. It can be installed in wet, sandy, dusty and salty sites, as well as mines, compact substations and any sites prone to surface pollution without taking special protective measures, such as busbar cleaning and preventing small animals. Its protection level is IP67, and even the fuse room has the same protection level.
Normal Operating Conditions
1. Altitude ≤1000m.
2. Ambient Temperature: -35℃~+45℃, maximum temperature difference ≤25℃.
3. The average daily relative humidity does not exceed 95%.
4. The average monthly relative humidity does not exceed 90%.
5. The intensity of the earthquake: ≤class 8.
6. Suitable for sites without fire, explosion danger, chemical corrosion and violent vibration.
Note: The special written instructions are required when ordering beyond the NORMAL OPERATING CONDITIONS.
Technical Parameters
Notes:
1) It depends on the rated current of the fuse.
2) It is limited by high voltage fuses.
3) SRM-12/24 Series Gas-insulated Switchgear meets IEC 60056, IEC 60129, IEC 60265, IEC 60298, IEC 60420, IEC 60694, GB/T 11022, GB 3906, GB 1985, GB 16926, GB 38041, GB 1984, GB 3309 and other standards.
Standard combination schemes
This series of Gas-insulated Switchgear provides the following standard combination schemes:
Available Modules