|
Rating
|
Unit
|
Value
|
|
Rated
voltage
|
kV
|
24
|
|
Rated
frequency
|
Hz
|
50/60
|
|
Rated
continuous current
|
A
|
630
|
|
Rated
Short-Time Withstand Current
|
kA
|
20
|
|
Rated
duration of short-circuit
|
s
|
4
|
|
Rated
peak withstand current
|
kA
|
50/52
|
|
Internal
arc classification,Arctest current IA，Accessibility
FL or FLR
|
kA
|
20
|
|
Internal
arc classification, Test duration tA
|
s
|
1
|
|
Partial
discharge tests a. Required partial discharge quantity: under 26.4 kV
|
pC
|
≤10
|
|
At
0 gauge pressure (abs.20℃) [0.10 MPa], Meet the IEC standards，Rated
short-duration power-frequency withstand voltage（Phase
to phase & phase to earth，Across
load break switch gap）
|
kV
|
50/60
|
|
Rated
short-duration power-frequency withstand voltage
（Phase
to phase & phase to earth, Across load break switch gap）
|
kV
|
65/79
|
|
Rated
lightning impulse withstand voltage
（Phase
to phase & phase to earth，Across
load break switch gap）
|
kV
|
125/145
|
|
Filling
level for insulation and/or switching (abs. 20℃)
|
Mpa
|
0.15
|
|
Minimum
functional level for insulation and/or switching (abs.20℃）
|
Mpa
|
0.14
|
|
Tightness
test a. Annual leakage rate
|
%/Y
|
0.01
|
|
Loss
of service continuity category
|
|
LSC2
|
|
IP
coding , Gas-filled compartment, Enclosure, Between Compartments
|
|
IP68/IP4X/IP2X
|
|
IK
coding, Enclosure
|
|
IK08
|
|
C function
|
|
Electrical
endurance class, Load Break switch
|
|
E3,
C2
|
|
Mechanical
endurance class, Load Break switch
|
|
M1/M2⑴
|
|
Electrical
endurance class, earthing switch
|
|
E1/E2⑵
|
|
Mechanical
endurance class, earthing switch
|
|
M0/M1⑶
|
|
Rated
cable charging current
|
A
|
50
|
|
Rated
line charging current
|
A
|
10
|
|
Rated
earth-fault breaking current
|
A
|
63
|
|
Rated
cable- and line-charging breaking current under earth-fault
|
A
|
45
|
|
D function
|
|
|
|
Electrical
endurance class,Vacuum
circuit-breaker
|
|
E3,
C2
|
|
Mechanical
endurance class,Vacuum
circuit-breaker
|
|
M1/M2⑴
|
|
Electrical
endurance class, earthing switch
|
|
E1/E2⑵
|
|
Mechanical
endurance class, earthing switch
|
|
M0/M1⑶
|
|
Mechanical
endurance class, Disconnector
|
|
M0/M1⑷
|
|
Rated
Line-charging breaking current
|
A
|
10
|
|
Rated
Cable-charging breaking current
|
A
|
31.5
|
|
Rated
first pole-to-clear factor, Kpp:
|
|
1,3 and 1,5
|
|
Rated
operating sequence
|
|
O-0.3s-CO-15s-CO
|
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