FZW32-24 type outdoor high voltage disconnecting vacuum break load switch is a new type of load switch which is the integration of mature experience of domestic existing load switch and advanced technology design of external.
Category: Switchgear & Medium Voltage LBS
Brand: JGGY Electric
Model: FZW32-24
Power: 24KV/ 630A
FOB Port: Ningbo/Shanghai
Terms of Pyament: Western Union,T/T,Paypal
FZW32-24 type outdoor high voltage isolating vacuum break load switch is a new type of load switch which is the integration of mature experience of domestic existing load switch and advanced technology design of external. This load break switch is composed of disconnector, vacuum interrupter and operating mechanism and other parts. By using the principle of vacuum interrupter, with strong arcing ability, reliable performance, long service life, small volume, no explosion danger, no pollution etc advantage. The product can be used in transmission and distribution system of electric power, metallurgy, mine, chemical industry and other departments as control equipment, especially suitable for frequent operation place.
Environmental Conditions
a. Altitude ≤1000m;
b. Ambient air temperature -30~+40℃;
c. Relative humidity: daily average ≤95%, monthly average ≤90%;
d. Without frequent violent vibration.
Technical Parameters
NO. | Name | Unit | Value | |
1 | Rated voltage | KV | 24 | |
2 | Rated frequency | Hz | 50 | |
3 | Rated current | A | 1250 | |
4 | Rated active load breaking current | A | 1250 | |
5 | Rated closed loop breaking current | A | 1250 | |
6 | 5%rated active load breaking current | A | 31. 5 | |
7 | Rated cable charging breaking current | A | 10 | |
8 | Rated breaking capacity of no-load transformer | KVA | 1600 | |
9 | Rated breaking capacitor bank current | A | 100 | |
10 | 1min power frequency withstand voltage: vacuum fracture/phase-to-phase, phase-to earth, isolating fracture |
KV |
50/65/79 | |
11 | Lightning impulse withstand voltage: phase-to phase, phase-to-earth/isolating fracture |
KV |
125/145 | |
12 | Rated short time withstand current(thermal stability) | KA | 25 | |
13 | Rated short-circuit duration | S | 4 | |
14 | Rated peak withstand current(dynamic stability) | KA | 63 | |
15 | Rated short-circuit closing current | KA | 63 | |
16 | Mechanical life | Times | 10000 | |
17 | Vacuum interrupter contact erosion limit | mm | 0.5 | |
18 | Manual operating torque | Nm | ≤200 | |
19 |
Load break switch vacuum interrupter assembling adjustment | Clearance between open contacts |
mm |
10±1 |
Average opening speed | m/s | 1.5±0.2 | ||
Three-phase opening asynchronism |
ms |
<5 | ||
Three-phase closing asynchronism |
ms |
<2 | ||
Distance between charged bodies and phase-to-earth |
mm |
>300 | ||
Auxiliary circuit resistance | μΩ | ≥400 | ||
Installation Ways, Transverse Width and Phase-to-phase Distance
Installation way |
Transverse width | AB phase-to-phase distance | BC phase-to-phase distance |
Horizontal / vertical | 1225mm | 500mm | 500mm |
24KV LBS with three-phase linkage, is mainly consist of frame, vacuum interrupter components, disconnector components and spring mechanism, disconnector and vacuum interrupter are fixed on frame via insulator, spring is fixed on frame.
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