Sf6 AC Load Break Switch
◆ Technical parameter
| Number | Description | Unit | Requirement | Reference paramter |
| 1 | Designation | Indoor | Indoor | |
| 2 | Type | |||
| 3 | Main return circuit resistance | |||
| 4 | Standard | IEC265 iatest version of equivalent IEC129 VDE 0670 IEC420 DIN43625 |
IEC 265 | |
| 5 | Climatic design suitable for Max. ambicnt temp |
Deg.C | +45 | =50C |
| Min. ambicnt temp | Deg.C | -10 | -25C | |
| 6 | Rated voltage(Un) | kV | 20 | 24 |
| 7 | Max. working voltage(Umax) | kV | 24 | 24 |
| 8 | Rated frequency | Hz | 50 | 50 |
| 9 | Rated current’(In) | A | 400 | 630 |
| 10 | Rated short time current 1 sec(lth) 3 sec(lth) |
KA rms | 16 10 |
20 10 |
| 11 | Rated peak current(ldvn) | kA peak | 40 | 50 |
| 12 | Rated shortcircuit making capacity ima | kA peak | 40 | 50 |
| 13 | Max. breaking capacity cosO=0.25acc To IEC420 | A rms | Acc.to IEC420 | Acc.to IEC420 |
| 14 | Rated mainly load breaking current capacity coso=0. ?f ll} | A rms | Acc.to IEC420 | 630 |
| 15 | Max. mainly active load breaking capacity cosO=0. ? | A rms | 16 | 630 |
| 16 | Rated closed breaking capacity cosO=0.3(12) | A rms | 630 | |
| 17 | Rated single breaking capacity(14) | A rms | 45 | 630 |
| 18 | Rated cable charging capacity(16) | A rms | 45 | 50 |
| 19 | Earth fault breaking capacity acc. to VDE0670/339 tabie 8 -Fig E -Fig D |
A rms A rms A rms |
55 35 |
|
| 20 | Power frequency withstand voltage 50Hz 1 min To earth. interphase/isolating break |
KV rms KV rms |
50 60 |
55 65 |
| 21 | To earth. interphase/insulating volatage peak |
KV peak KV peak |
125 145 |
125 145 |
◆ Technical parameter
| Number | Description | Unit | Requirement | Reference paramter |
| 22 | Mechanical life | 2500 operation | ||
| 23 | Shut down mechapi-qn for the switch when any fuse works |
Shut down mechanism forthe witch when any fuSe works
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| 24 | Lever drive handle(up and down) | Lever drive hande1(up and down) | ||
| 25 | Stored energy.operating mechanism by spring |
Stored energy operating mechanism by spring
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||
| 26 | Mac.operating torque when Closing Opening |
N.M. N.M. |
64 64 |
|
| 27 | Operating angle on the shaft | Dcgree | 80 | |
| 28 | Operating time | Ms | 35 | |
| 29 | Arcmg time | Ms | 20 | |
| 30 | Arcquenching chamber | Provided | ||
| 31 | Shunt trip coil release -Type -Voltage of opemtion Power input |
V W |
220 | Epoxy 220V 550 |
| 32 | Earthing switch attachment Rated shorttime current(stroker)1 sec Peak withstand curretlt(ldyn) Short circuit making capacity.(1 mm) Power frequency withstand voltage (Lighting)impulse R§qjllg voltage Pole distance |
kA rms kA peak kA peak kV kV Mm |
16 | 25kA rms 50kA peak 50kA peak 55 125 275 |
