Indoor 12kv 210mm 630A Gas Insulated housing sf6 load break switch for RMU ring main unit

Summary

FLN36-12kV load break switch use SF6 gas as arc extinguishing and insulating.There are three  work stations: opening,closing and grounding in the  switch. It has small volume,installing easy-to use, strong environmental adaptability and other characteristics.

FLN36-12 load break switch and FLRN36 -12D load break switch plus  Fuse   combination can be  used to protect and control the electric equipments for  power supply and Transformer  substations,  which is especially suitable for RMU, cable branch cabinet and distribution switching substation.

Its performance indicators in full compliance IEC420,694,129 and national standards GB3804-2004“3.6kV-0.5kV high voltage AC load breaker switch”GB1985-2004“high-voltage AC isolation switch and Earthing switch”, GB/ T11022-1999“common technical requirements for high-Voltage Switchgear and control equipment standards“, This is the main switching element RMU.
The load breaker switch is a collection multifunctional Medium voltage switchgear of gates, sub-gate, earthing. In a fully sealed with strengthen the structure of the Epoxy Resin housing to filled with SF6 gas,0.05MPa , with the minimum parts to achieve the above three functions, to ensure product quality, improve reliability, maintenance-free. It can be safely run for more than 20 years in normal conditions.

Basic functions and features:

1.Load breaker switch adapts double fracture, rotary movable contact structure, with the following three kinds of operating states: Closing,opening,earthing.
2.Using SF6 gas as an arc extinguishing and insulating medium, the main circuit seals by the upper and lower housing pouring epoxy resin, the conductive function is unaffected by external influences.
3.Good safety performance. If internal arcing occurs, the housing has an internal structure weak point, it will be rushed to open, followed by the cabinet above the shutter release arc red open air overpressure stream-oriented outside the cabinet, ensure that the switch cabinet security checks.
4.Load breaker switch sets gates, opening, earthing switch three at one, filled with SF6 gas encapsulated in epoxy resin housing, three-position interlock,compact structure,high security and reliability.
5.Small size, light weight, maintenance-free, easy and safe to operate.

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