Busca HV LBS Con Cuchilla De Puesta A Tierra, LBS Con Cuchillo De Puesta A Tierra, Cuchillo De Puesta A Tierra en el directorio Industry, Reliable fabricante / proveedor / fábrica de China
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Tipo de Pago: | L/C, T/T, Western Union |
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Cantidad de pedido mínima: | 1 |
Plazo de entrega: | 1 días |
Modelo: YFZRN21-12D/T125-31.5
Serial No. | Item | Unit | YFZRN21-12 Load Switch-Fuse Combination Unit |
1 | Rated voltage | kV | 12 |
2 | Rated frequency | Hz | 50 |
3 | Rated current | A | Max.rated current of fuse 125A; |
4 | Rated short-circuit breaking current of fuse | kA | 31.5; |
5 | Rated breaking-transfer(handover)current | A | 2000 |
6 | Rated active load breaking current | A | 630 |
7 | 5% rated active load breaking current | A | 31.5 |
8 | Rated closed loop breaking current | A | 630 |
9 | Rated cable charging breaking current | A | 10 |
10 | Rated line charging breaking current | A | 1 |
11 | Rated earthing fault breaking current | A | 30 |
12 | Rated cable charging breaking current under earthing fault conditions | A | 17.4 |
13 | Rated short-time withstand current(thermal ---Load switch(including disconnector) | kA/s | 20/4 |
stability current) ---Earthing switch | kA/s | 20/2 | |
14 | Rated short-circuit making current | kA | 50 |
15 | Rated peak withstand current(dynamic current) | kA | 50 |
16 | 1 min power-frequency withstand voltage(effective value)to earth,phase-to-phase,vacuum fracture/isolating fracture | kV/kV | 42/48 |
17 | Full-wave lightning impluse withstand voltage(peak) to earth,phase-to-phase,vacuum fracture/isolating fracture | kV/kV | 75/85 |
18 | Main loop resistance | μΩ | ≤120 |
19 | Mechanical life | Time | 10000 |
20 | Clearance between open contacts | mm | 9±1 |
21 | Overtravel(compression length of contact spring) | mm | |
22 | Gross thickness of contact wear | mm | 3 |
23 | Average opening speed | m/s | 0.8~1.2 |
24 | Average closing speed | m/s | 0.45~0.85 |
25 | Rated contact pressure | N | 900±200 |
26 | Connact closing bounce time | ms | ≤2 |
27 | Three-phase opening and closing asynchronization | ms | ≤1 |
28 | Inter-pole center distance | mm | 210±3 |
29 | Distance between live parts and of phase to earth | mm | ≥125 |
30 | Closing operation torque of vacuum arc-extinguishing chamber | N.m | ≤80 |
31 | Opening operation force of vacuum arc-extinguishing chamber | N | ≤10 |
32 | Rated closing operation voltage | V | ≌220/110 |
33 | Rated opening operation voltage | V | ≌220/110 |
34 | Time of switch opening triggered by breaking of fuse | ms | 35±5 |
35 | Impact output energy at breaking of fuse | J(Joule) | 1 |
Grupos de Producto : HV LBS con cuchilla de puesta a tierra