Our factory
We are professional manufacturer of current transformer ,voltage transformer, Vacuum Circuit Breakers/Recloser,Isolation switches,Dropout Fuse Cut-out,Lightning Arresters,High and Low Voltage Cabinets,Metering Devices,Power Distribution Transformers etc.
GENERAL
ZW32-40 kV Series Intelligent Type Outdoor High Voltage AC Vacuum Circuit Breaker adopts an integrated solid sealing pole with unique design and a highly reliable operating mechanism. The device is mainly used in medium voltage overhead line power grid as load current, overload current and short-circuit current.
MAIN SPECIAL FEATURES
High reliability.
It is completely maintenance-free throughout its life.
It has high mechanical life and electrical life.
Small volume and lightweight, easy to install
MODEL DESCRIPTION
USAGE: ENVIRONMENTAL CONDITION
- Altitude: ≤ 3000m, If the altitude is higher than 3000m, the rated insulation level shall be corrected accordingly.
- Ambient temperature: -30oC ~ +65oC
- Wind Speed: 34m/s
- Wind pressure: 700Pa
- Pollution level: IV level
- Icing thickness: Not more than 10mm
- Storage Temperature: -40oC ~ +85oC
MAIN TECHNICAL PARAMETERS
5.1 Circuit Breaker's Main Technical Parameters Table
S/N |
Name |
Unit |
Data Value |
1 |
Rated Voltage |
kV |
40.5 |
2 |
Rated Current |
A |
1250/1600 |
3 |
Rated Frequency |
Hz |
50/60 |
4 |
1 min. Power Frequency Withstand Voltage (wet/dry) |
kV |
80 95/118 |
5 |
Lightning impulse Withstand Voltage (To earth/Fracture) |
kV |
185/215 |
6 |
Rated Short-circuit Breaking Current |
kA |
25/31.5 |
7 |
Rated Short-circuit Closing Current (Peak Value) |
kA |
63/80 |
8 |
Rated Short-time Withstand Current |
kA |
25/31.5 |
9 |
Rated Peak value Withstand Current |
kA |
63/80 |
10 |
Rated Short-time Continuous Time |
s |
5 |
11 |
Rated Operating Cycle |
Times |
0 - 0.3s - C0 - 180s - CO |
12 |
Rated Short-circuit Current - Breaking Times |
Times |
30 |
13 |
Mechanical Life |
Times |
10000 |
14 |
Mechanism Control Voltage |
V |
AC/DC 220 AC/DC 110 |
15 |
Secondary Circuit 1 min Power Frequency Withstand Volt |
kV |
2 |
5.2 Circuit Breaker's Mechanical Properties Adjustment Parameters
S/N |
Name |
Unit |
Data Value |
1 |
Contact Spacing |
mm |
16 ± 1 |
2 |
Contact Overtravel |
mm |
3 ± 0.5 |
3 |
Opening Speed |
m/s |
1.4 - 1.8 |
4 |
Closing Speed |
m/s |
0.4 - 1.8 |
5 |
Contact Closing Bounce Time |
ms |
≤ 5 |
6 |
Phase Center Distance |
mm |
460 ± 2 |
7 |
Three-phase Opening and Closing Asynchrony |
m/s |
≤ 2 |
8 |
Conductive Circuit Resistance of Each Phase |
μΩ |
< 80 |
9 |
Closing Time |
ms |
≤ 100 |
10 |
Opening Time |
ms |
≤ 50 |
11 |
Weight |
kg |
270 |
OUTLINE AND INSTALLATION DIMENSION
Our Customer
Our customers are located all over the world.
Test Reports
All products have undergone professional testing and certification.
Photos of Product