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Series Sf6 load switch with fuse and without fuse
Categories£ºHigh Series   
¡ô 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

 

¡ô 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
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
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¡ìqjllg voltage
Pole distance
kA rms

kA peak

kA peak

kV


kV

Mm
16 25kA rms

50kA peak

50kA peak

55

125

275