Products and Services
Working Conditions:
1. Normal conditions
Ambient temperature: -40℃～+40℃
Altitude: not higher than 2000m
Surrounding air can be polluted by dust, smoke, corrosive gas, vapor or salt mist
Wind pressure: not higher than 700Pa (=wind speed 34m/s)
Pollution grade: ≤IV
Working site: no fire, explosion, and chemical corrosion; no frequent severe vibration
Earthquake intensity: not higher than 8°
2. Special conditions:
This series of circuit breaker can also be used in other different conditions, after consistent agreement between client and manufacturer.
|
No.
|
Items
|
Units
|
Values
|
|||
|
1
|
Rated Voltage
|
kV
|
12
|
|||
|
2
|
Rated Insulation Level
|
1min Power Frequency Withstand Voltage
|
kV
|
42/48
|
||
|
Lightning Impulse Withstand Voltage
|
kV
|
75
|
||||
|
3
|
Rated Frequency
|
Hz
|
50
|
|||
|
4
|
Rated Current
|
A
|
630
|
1250
|
||
|
5
|
Rated Short Circuit Breaking Current
|
kA
|
16
|
20
|
25
|
|
|
6
|
Rated Short Circuit Making Current (Peak Value)
|
kA
|
40
|
50
|
63
|
|
|
7
|
Rated Peak Withstand Current
|
kA
|
40
|
50
|
63
|
|
|
8
|
Rated Short Time Withstand Current
|
kA
|
16
|
20
|
25
|
|
|
9
|
Rated Short Time Duration
|
S
|
4
|
|||
|
10
|
Breaking Times of Rated Short Circuit Breaking Current
|
Number of Times
|
30
|
|||
|
11
|
Rated Operation Sequence
|
|
O-0.3s-CO-180s-CO
|
|||
|
12
|
Mechanical Life
|
Number of Times
|
10000
|
|||
|
13
|
Tripping Current of Overload Current
|
A
|
5
|
|||
|
14
|
1min Power Frequency Withstand Voltage of Secondary Circuit
|
kV
|
2
|
|||
|
15
|
Erosion Thickness Limit of Moving and Fixed Contacts
|
mm
|
3
|
|||
|
16
|
Weight
|
kg
|
103/138 (with disconnector)
|
|||
|
No.
|
Item
|
Unit
|
Value
|
|
|
1
|
Contacts Overtravel
|
mm
|
2±0.5
|
|
|
2
|
Clearance Between Open Contacts
|
mm
|
9±1
|
|
|
3
|
Average Closing Speed
|
m/s
|
0.6±0.2
|
|
|
4
|
Average Opening Speed
|
m/s
|
1.2±0.2
|
|
|
5
|
Contact Bouncing Time While Closing
|
ms
|
≤2
|
|
|
6
|
Three Phases Non-Simultaneity While Closing
|
ms
|
≤2
|
|
|
7
|
Three Phases Non-Simultaneity While Opening
|
ms
|
≤2
|
|
|
8
|
Opening Time
|
ms
|
25-60
|
|
|
9
|
Closing Time
|
ms
|
20-65
|
|
|
10
|
Major Loop Resistance of Each Phase
|
Without Disconnector
|
μΩ
|
＜80
|
|
With Disconnector
|
μΩ
|
＜130
|
||
|
11
|
Center Distance of Phases
|
mm
|
340±2
|
|
|
No.
|
Items
|
Rated Voltage (V)
|
Rated Current (A)
|
Normal Working Range
|
|
1
|
Opening Coils
|
DC24
|
7
|
DC65% or AC85%-120% rated voltage allows tripping, below 30% rated voltage allows no tripping
|
|
DC110
|
5
|
|||
|
DC220
|
1.8
|
|||
|
AC220
|
3.5
|
|||
|
2
|
Closing Coils
|
DC24
|
7
|
DC80% or AC85%-120% rated voltage allows tripping
|
|
DC110
|
5
|
|||
|
DC220
|
1.8
|
|||
|
AC220
|
3.5
|
|||
|
3
|
Tripping Coil of Overload Current
|
5
|
90% rated current allows no tripping, 110% rated current allows tripping
|
|
|
4
|
Energy Storage Motor
|
Rated Voltage: DC/AC220V
Rated Power: 40W |
85%-120% rated voltage allows operating
|
|
|
5
|
Energy Storage Time of Closing Spring
|
＜10s
|
||
| No. | Items | Units | Values | |
| 1 | Rated Voltage | kV | 12 | |
| 2 | Rated Insulation Level | 1min Power Frequency Withstand Voltage | kV | 42 |
| Lightning Impulse Withstand Voltage | kV | 75 | ||
| 3 | 4s Rated Short Time Withstand Current | A | 20 | |
| 4 | Manual Operation Torque | Nm | ≤200 | |
| 5 | Contact Knife Instant Touch Position Offset | mm | 2 | |
| 6 | Clearance Between Disconnector Ports | Mm | ≥200 | |
| 7 | Current-Carrying Part’s Insulation Distance to Ground | mm | ≥200 | |
Address: No.1, West Xuefu Road, Longling Industrial Park, Gaoxin District, Yiyang City, Hunan Province, 413000, China
Contact No.: 0737-2222100
QQ: 3013508896
E-mail: huaxiangbyq@163.com
