Our deep understanding of product application, and continuous improvement of technology make our switchgear for power distribution equipment, power transformers, single-phase distribution transformer has the ability to upgrade in a timely manner. We retain bettering and perfecting our goods and service. Our factory is willing to cooperate with different customers domestic and overseas to gain better and better future.

SF6 gas-insulated compact metal-enclosed switchgear adopts modular design, with its perfect unity of fixed and flexible expansion, to suit the requirements of end users or network nodes, and to meet the requirements of various power distribution switching stations, box-type substations, and cables The need of the tap box has the characteristics of compact structure, safety and reliability, long life and maintenance-free.

Normal use conditions:

Altitude: ≤3000 meters

Ambient temperature: highest temperature +55℃, lowest temperature -45℃

Humidity: Maximum average relative humidity: 24 hours measurement ≤95%, 1 month measurement ≤90%

Earthquake resistance: earthquake intensity does not exceed 8 degrees

Technical characteristics:

SF6 gas pressure is 0.4bars (relative pressure) at 20°C

Annual leakage rate≤0.25‰/year

Water immersion test 0.3 bars of pressure under water / 24 hours

Arcing test With arc extinguisher 20kA/1s without arc extinguisher 16kA/1s

Protection level SF6 air chamber IP67

Busbar:

Bus bar 400mm2Cu in the switch cabinet

Switchgear ground bus 160mm2Cu one bolt diameter; M10

Gas chamber stainless steel shell thickness 2.5mm

Fuse cartridge IP67, switch cabinet shell IP4X

SF6 insulated ring main unit technical data:

Details:

Factory:

FAQ:

(1). How to order the products?

Send your product name, model and drawing and let us confirm the right one, and recommend and make a good offer.

(2). About lead time and shipping time?

Usually it is 10-15 days, if quantity is big, lead time will be extended.

Our 12/24/36kv-630A Air/Sf6 Gas Insulation Switchgear Ring Main Unit have exquisite manufacturing technology and excellent technology. All kinds of products are carefully made according to strict design procedures and scientific technological process. We adhere to the principle of reliability first and have established a strict R&D and production quality control system. Our company has always taken science and technology as the guide, development as the fundamental, to meet the requirements of users as the central concept.