|
Item
|
Unit
|
ZW32-12/
T400-12.5
|
ZW32-12/
T630-16
|
ZW32-12/
T630-20
|
|
Rated voltage
|
kV
|
12
|
|
Rated current
|
A
|
400
|
630
|
630
|
|
Rated short-circuit break current
|
kA
|
12.5
|
16
|
20
|
|
Rated short-circuit close curren t(peak value)
|
31.5
|
40
|
50
|
|
Rated peak value withstand current
|
31.5
|
40
|
50
|
|
Rated short-circuit withstand current
|
12.5
|
16
|
20
|
|
Rated short-circuit duration
|
4
|
|
Rated insula
-tion level
|
Thunder impulse withstand
voltage(peak value)
|
S
|
Interphase,grounding insulation75,fracture85
|
|
1min industrial frequency
withstand voltage
|
kV
|
Interphase, grounding insulation42,fracture48
|
|
Rated operation order
|
|
Off-0.3S on and off-180S-on and off(electromotion framework)
|
|
Rated short-circuit current break and close time
|
(times)
|
30
|
|
Mechanical life-span
|
10000
|
|
Rated operation voltage(on-off coil)
|
v
|
DC220, 110, AC220
|
|
Allowance abrasion cumulated thickness of
the moving and stationary contact
|
mm
|
3
|
|
Rated current ofovercurrent trip
|
A
|
5
|
|
Current rate of current mutual inductor
|
|
200/5 400/5 600/5
|
|
Switching distance of the contact
|
mm
|
9±1
|
|
Contact exceed degree
|
2±0.5
|
|
Average speed of breaking brake
|
M/s
|
1.2±0.3
|
|
Average speed of closing brake
|
0.6±0.2
|
|
Time of breaking brake
|
ms
|
3060
|
|
Time of closing brake
|
2040
|
|
Bounce time of closing brake
|
≤2
|
|
The corresponding performance of three
-phase breaking & closing brake
|
≤2
|
|
Loop direct current resistance of each phase
|
μΩ
|
≤80
|
|
Power storage
electromoto
|
Rated voltage
|
V
|
-220
|
|
Rated power
|
W
|
200
|
|
Power storage time
|
s
|
≤8
|
|
Weight
|
kg
|
85
|
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