15kV 600A 12kA L.B.S

15kV 600A 12kA L.B.S

Rated data:

 
1 Phase type - Phase type
2 Phase type Hz 60
3 Phase type kV 15
4 No-load mechanical operating ability time 1000(Manual) / 1000(Auto)
5 Motor operating switch time sec < 5
6 Rated Current/breaking ability - 600 A / 200  time
7 Rated short time withstand current kArms 12
8 Rated withstand current kApeck 31.5
9 Rated withstand current kApeck 31.5

Switch feature data:

 
1
Temperature raise:
(A)Contact temperature raise
℃
<50
(B)Maximum environment temperature
℃
40
(C)Maximum environment temperature
Silvering contact(copper tungsten alloy )
2
 
Insulation quality:
(A)Minimun distance(conductor-conductor)
mm
224.5
(B)Minnun distance (conductor-ground)
mm
70
(C)SF6 insulated gas minimun distance
mm
210
(D)SF6 minimun distance to ground
mm
265
(E)Main contact to contact distance 
mm
43.5
(F)Phase distance
mm
250
(G)Minmun leakage distance to ground
mm
500
(H)Minmun leakage distance to ground:
-
-
a.Dry type , phase-ground & phase-phase
-
50 kV (1 minunte)
b.Dry type , main contact  to contact
-
55 kV (1minute)
c.wet type , phase-ground & phase-phase
-
45 kV (10 sec)
d.wet type , main contact  to contact
-
45 kV (10 sec)
(I)Rated  impulse withstand Voltag:
-
-
a.phase-ground & phase-phase
kVpeck
110
b.phase-ground & phase-phase
kVpeck
125
3
 
Bushing group
(A)Type
-
Terminal type
(B) Material
-
Porcelain
(C)Rated Voltage
kV
15
(D)Rated  impulse withstand Voltag
kV
110 kV

Genernal data:

 
1
SF6 gas pressure operating range
kgf/cm . G
0.7~1.0
2
Rated SF6 gas pressure
kgf/cm . G
1.0
3
SF6 gas  volume of switch
         m
0.07
4
Pressure of  release pressure gate
kgf/cm . G
4.0~6.0
  5
Pressure of  auto-locking switch
kgf/cm . G
0.5~0.7
6
Switch weihht
kg
140
7
Minimum operating pressure
kgf/cm . G
0.5
8
Main circuit contact resistance
Ohm
<110
9
Control circuit of operating mechanism
-
70W(DC 24 V)
 10
Electrical operating voltage
-
DC 24 V (-15%~+10%)
 11
Electrical operating voltage
kgf
15~25

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