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Ring main unit（SF6）

With strong support from SJR Machinery, Toptech Smac now is able to offer both metal cutting and metal forming machines to our valued customers. The produce lines include lathes, milling machines, grinding machines, power presses and hydraulic press brakes, CNC machines. With timely service and on-site training, our qualified technicians can ensure the machines’ maximum productivity. Toptech Smac also provides industrial solutions for your individual needs.

Category :

Transformer Substation

Keywords: machine tool  丨  grinding machine  丨  CNC

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Product Detail

Product overview

Galvanized sheet and stainless steel box are used for opening and closing. Expansible unit ring net cabinet or fully enclosed and insulated compact sulfur hexafluoride gas filling cabinet are installed inside

Application: Widely used in power plants, power grids, petrochemical, metallurgy, industrial and mining enterprises, urban infrastructure

Formulated standard: IEC60298

 

Product Advantages

Leading technology

Standard anti-corrosion and salt spray environmental plan to meet the stringent environmental requirements of the site

Vacuum circuit breakers and sulfur hexafluoride ring mesh cabinets can be formed or all sulfur hexafluoride ring mesh cabinets can be used

Prefabricated touchable silicone rubber cable end, to ensure personal safety

Can be equipped with multiple SF6 load switches, flexible connection mode, branch and outlet up to eight circuits

Compact design, optional arrester, short circuit fault indicator.

 

Current limiting fuse

The relative pressure of SF6 in the capsule should not exceed 1.4bar.

Air leakage is not more than 1%/ year, maintenance free for 30 years

Box type opening and closing should be equipped with a perfect five-prevention interlock function to ensure personal safety Enclosure

Laser numerical control equipment cutting, drilling, bending, to ensure the processing accuracy

The exterior is coated with electrostatic epoxy powder, which will not take off paint for 30 years

The surface of the box has good anti-theft property, and the box has IP3X protection

 

Processing and assembly

Dust-free workshop to ensure insulation

The secondary connection is automatic terminal crimping machine to ensure reliable connection

Use power tools to ensure proper torque for bolting reinforcement

The copper bus is CNC cutting, punching and bending to ensure the accuracy

All kinds of experimental tests before delivery to ensure the normal operation of the equipment

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