No.
item
unit
parameter
1
Rate voltage
kV
12
2
Rate current
A
630, 1000
3
Rate frequency
Hz
50
4
Rate short-circuit breaking current
kA
20
5
Rate peak withstand current
6
Rate short-time withstand current
7
Rate short-circuit closing current
8
Mechanical life
times
10000
9
Times of rate short-circuit breaking current
30
10
Power frequency withstand voltage(1 min): phase-phase, to earth, isolating fracture
42/48
11
Lightning surge peak withstand voltage: phase-phase, to earth, isolating fracture
75/85
Secondary circuit(1min) withstand voltage
