Place Of Origin: | XIAN, China | Frequency: | 50/60Hz |
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Medium: | Vacuum | Material: | Galvanized Sheet And Accessories |
Standard: | GB, IEC Standard | Function: | Switch On And Off Normal Load Current |
Installation Location: | Power Plants, Substations And Power Systems Etc | Warranty: | 12 Months |
Highlight: | 24KV Load Interrupter Switch,IEC Load Interrupter Switch,3 Phase Load Interrupter Switch |
1. 24KV 3 phase 50Hz outdoor high voltage load break switch/Load interrupter switch
24kv load break switch is used to open medium voltage circuits up to 38 KV, connecting or disconnecting lines or cables, sectionalize ring-circuits, as well as to connect or disconnect transformers under load conditions.
2. Technical list
No. | Description | Unit | Data |
1 | Rated voltage (Un) | KV | 24 |
2 | Max.working voltage(Umax) | KV | 24 |
3 | Rated frequency | Hz | 50 |
4 | Rated current | A | 630 |
5 | Rated short time current 1 secretary(Ith) 3. secretary(Ith) |
kA rms | 20 10 |
6 | Rated peak current (Idvn) | kA peak | 50 |
7 | Rated short circuit making capacity ima | kA peak | 50 |
8 | Rated mainly load breaking current capacity cosΦ=0.7 | A rms | 630 |
9 | Max Mainly active load breaking capacity cosΦ=0.7 | A rms | 630 |
10 | Rated closed breaking capacity cos Φ=0.3 | A rms | 630 |
11 | Rated single breaking capacity | A rms | 630 |
12 | Rated cable charging capacity | A rms | 50 |
13 | Power frequency withstand voltage 50Hz 1 min | kA rms kA rms |
55 65 |
14 | To earth Interphase/insulating voltage peak | kV peak kV peak |
145 125 |
15 | Mechanical life | 2500 operation | |
16 | Mac.operating torque when Closing Opening | N.M. N.M. |
64 64 |
17 | Operating angle on the shaft | Degree | 80 |
18 | Operating time | Ms | 35 |
19 | Arc-extinguish time | Ms | 20 |
20 | Earthing switch attachment Rated short-time current Peak withstand current Short circuit making capacity Power frequency withstand voltage (Lighting )impulse resisting voltage Pole distance |
kA rms kA peak kA peak kV kV Mm |
25 50 50 55 125 275 |
3. Product qualificate
4. Factory show
5.Warranty