Operating Environmental Conditions
a. Ambient Air Temperature: Upper limit +40℃; lower limit -30℃ (general areas), -40℃ (alpine areas);
b. Altitude: ≤1000m (if higher altitude is required, the rated insulation level shall be correspondingly increased);
c. Wind Pressure: Not exceeding 700Pa (equivalent to a wind speed of 34m/s);
d. Vibration/Seismic Resistance: Seismic intensity not exceeding 8 degrees (Chinese Seismic Intensity Scale);
e. Pollution Degree: Class Ⅲ;
f. Daily Temperature Difference: Not exceeding 25℃
Main Technical Parameters
|
No.
|
Name
|
Unit
|
Data
|
|
1
|
Rated Voltage
|
KV
|
40.5
|
|
2
|
Rated Insulation Level (RIL)
|
1-minute Power Frequency Withstand Voltage (1min PFWV)
|
Dry Type
|
|
95
|
|
Wet Type
|
|
80
|
|
Lightning Impulse Withstand Voltage (Peak Value)
|
|
185
|
|
3
|
Rated Current
|
A
|
1250;1600;2000
|
|
4
|
Rated Short-Circuit Breaking Current
|
KA
|
20;25;31.5
|
|
5
|
Rated Operating Sequence
|
|
O - 0.3s - CO - 180s - CO
|
|
6
|
Rated Number of Short-Circuit Breaking Operations
|
Times
|
12
|
|
7
|
Rated Short-Circuit Making Current (Peak Value)
|
KA
|
50;63;80
|
|
8
|
Rated Peak Withstand Voltage
|
|
|
9
|
Rated Short-Time Withstand Current
|
|
20;25;31.5
|
|
10
|
Rated Short-Circuit Duration
|
S
|
4
|
|
11
|
Average Opening Speed
|
M/S
|
1.5±0.2
|
|
12
|
Average Closing Speed
|
|
0.7±0.2
|
|
13
|
Contact Closing Bounce Time
|
MS
|
≤２
|
|
14
|
Three-Phase Closing (Opening) Synchronism Time Difference
|
|
≤２
|
|
15
|
Closing Time
|
|
≤150
|
|
16
|
Opening Time
|
|
≤60
|
|
17
|
Mechanical Life
|
Times
|
10000
|
|
18
|
Rated Operating Voltage and Rated Voltage of Auxiliary Circuit
|
V
|
DC 110/220
|
|
AC 110/220
|
|
19
|
DC Resistance of Each Static Circuit (Excluding Instrument Transformers)
|
μΩ
|
≤100
|
|
20
|
Allowable Wear Thickness of Moving and Fixed Contacts
|
MM
|
3
|
|
21
|
Weight
|
KG
|
800
|
