| Customization: | Available |
|---|---|
| Breaking Capacity: | Low Voltage Circuit Breakers |
| Speed: | Normal Type Circuit Breaker |
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
|
NO.
|
Project
|
Unit
|
Numerical value
|
|
|
||
|
1
|
Rated voltage
|
kV
|
12
|
|
|
||
|
2
|
Rated short-time power frequency withstand voltage(1min)
|
kV
|
42
|
|
|
||
|
3
|
Rated lightning shock tolerance voltage (peak)
|
|
75
|
|
|
||
|
4
|
Rated frequency
|
Hz
|
50
|
|
|
||
|
5
|
Rated current
|
A
|
630
1250
|
630 1250 1600
2000 2500 3150
|
1250 1600 2000
2500 3150 4000
|
||
|
6
|
Rated short-circuit breaking current
|
kA
|
20/25
|
31.5
|
40
|
||
|
7
|
Rated short-time withstand current
|
|
20/25
|
31.5
|
40
|
||
|
8
|
Rated short circuit duration
|
S
|
4
|
|
|
||
|
9
|
Rated peak tolerable current
|
kA
|
50/63
|
80
|
100
|
||
|
10
|
Rated short-circuit closing current
|
|
50/63
|
80
|
100
|
||
|
11
|
Secondary circuit power frequency withstand voltage (1min)
|
V
|
2000
|
|
|
||
|
12
|
Rated single/back-to-back capacitor group breaking current
|
A
|
630/400(800/400 for 40kA)
|
|
|
||
|
13
|
Rated capacitor bank turn-on inrush current
|
kA
|
12.5(Frequency not more than 100Hz)
|
|
|
||
|
14
|
Switching time (rated voltage)
|
ms
|
≤50
|
|
|
||
|
15
|
Closing time (rated voltage)
|
|
≤60
|
|
|
||
|
16
|
Mechanical life
|
Time
|
20000
|
|
|
||
|
17
|
Breaking times of rated current (electrical life)
|
|
20000
|
|
|
||
|
18
|
Number of breaks of rated short circuit current
|
|
50(40kA≤30)
|
|
|
||
|
19
|
Kinematic and static contacts allow wear accumulative thickness
|
mm
|
3
|
|
|
||
|
20
|
Rated closing operating voltage
|
V
|
AC110/220DC110/220
|
|
|
||
|
21
|
Rated switching operating voltage
|
|
|
|
|
||
|
22
|
Rated voltage of energy storage motor
|
|
|
|
|
||
|
23
|
Rated power of energy storage motor
|
W
|
70
|
|
|
||
|
24
|
Energy storage time
|
S
|
≤10
|
|
|
||
|
25
|
Contact opening distance
|
mm
|
11±1
|
|
|
||
|
26
|
Overstroke
|
|
3.5±0.5
|
|
|
||
|
27
|
Contact closing bounce time
|
ms
|
≤2(40kA≤3)
|
|
|
||
|
28
|
Three - phase switching and closing are different
|
|
≤2
|
|
|
||
|
29
|
Average opening speed
|
m/s
|
1.1±0.2
|
|
|
||
|
30
|
Average closing speed
|
|
0.6±0.2
|
|
|
||
|
31
|
Main circuit resistance (fixed/hand)
|
μΩ
|
≤45/60(630A)≤40/55(1250A)
≤30/50(1600-2000A)≤25/35(More than 2500A) |
|
|
||
|
32
|
Contact closing contact pressure
|
N
|
2000±200(20kA)2400±200(25kA)
3100±200(31.5kA)4250±250(40kA) |
|
|
||
|
33
|
Rated operation sequence
|
|
Opening -0.3s(18OS)-Opening and closing
180S-Opening and closing |
|
|
||
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