MSC-40.5SF6 inflation cabinet
MSC-40.5SF6 inflation cabinet
![MSC-40.5SF6 inflation cabinet](/uploadfile/202501/msc-40.5sf6_inflation_cabinet.webp)
Product Introduction:
MSC-40.5 type metal enclosed switchgear, suitable for three-phase AC power supply system primary distribution, can also be used for new energy power generation collection booster station. Products are widely used in power system, power generation, urban network subway, rail transit, petrochemical, metallurgy and other large industrial customers to meet customer needs.
MSC-40.5 type metal enclosed switchgear all high voltage components such as vacuum circuit breaker, three-station isolation switch and bus bar are installed in stainless steel air box, and filled with micro positive pressure SF6 gas for insulation. Products are not affected by the external environment, stable and reliable operation. Especially suitable for the use of wet, high altitude, serious pollution and other harsh environment places.
Product features:
Advanced technology: The structural vacuum circuit breaker adopts the solid sealed pole structure, the circuit is sealed for life, and the maintenance free design;
Friendly operation: three-door structure, the low-pressure chamber door and the mechanism room door open independently, do not affect each other, avoid misoperation; Close the door operation, no need to open the door to carry out the mechanism operation, to ensure the safety of personnel operation to a greater extent;
Advanced technology: the products are assembled in a million clean workshop; The gas box adopts laser welding technology, and the helium leak detection process is used to detect the whole gas box before leaving the factory.
Reliable and safe: circuit breaker and isolation isolation configuration mechanical, electrical double interlocking; Cable rooms are equipped with mechanical interlocking; Each air chamber is equipped with an independent pressure relief device.
Product parameter
SN | Project | Unit | Argument | |
1 | Rated voltage | kV | 40.5 | |
2 | Rated frequency | Hz | 50/60 | |
3 | Rated current | A | 630/1250/1600/2000/2500 | |
4 | 1minPower frequency | To the ground and alternate | kV | 95 |
Vacuum fracture, isolation fracture | kV | 118 | ||
5 | Rated lightning impulse voltage | To the ground and alternate | kV | 185 |
Vacuum fracture, isolation fracture | kV | 215 | ||
6 | Partial discharge | pC | ≤10 | |
7 | Rated short-circuit breaking current | kA | 31.5 | |
8 | Rated short circuit duration | S | 4 | |
9 | Rated capacitor breaking current | A | 400/630 | |
10 | Rated cable charging breaking current | A | 50 | |
11 | Class of protection | Gas tank | / | IP67 |
Cabinet | / | IP4X | ||
12 | Annual leakage rate | %/Y | ≤0.1 | |
13 | Mechanical life | Vacuum circuit breaker | time | 10000 |
Three-station switch | time | 5000 | ||
14 | Electrical life | time | 30 | |
15 | Cabinet width | mm | 600/800 | |
16 | Loss of operational continuity category | category | LSC2B |
Frequently Asked Questions
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