Europe style for Outdoor Vacuum Circuit Breaker Auto Recloser - ZW7-40.5 Series Outdoor High Voltage Vacuum Circuit Breaker (Recloser) – Ghorit Detail:
ZW7-40.5 outdoor HV vacuum circuit breaker is a 3-phase AC 50Hz 40.5kV outdoor switch equipment.
♦ Installation way: foundation installation;
♦ Operating mechanism: spring operating mechanism and electromagnetic operating mechanism;
♦ Pole material: silicone rubber, ceramic;
♦ Application: outdoor 33kV substation, power plant.
♦ Current transformer: internal installation, external installation.
Product Standards
♦ IEC62271-100 High Voltage Switchgear and Controlgear Part 100: AC Circuit-breakers
♦ GB1984 High Voltage AC Circuit-breakers
♦ GB/T11022 Common Specifications for High-voltage Switchgear and Controlgear Standards
♦ JB/T 3855 High Voltage AC Vacuum Circuit-breakers
♦ DL/T402 Specification of High-voltage AC Circuit-breakers
Environmental Conditions
♦ Ambient temperature: -40°C~+40°C;
♦ Altitude: <1000m;
♦ Maximum wind speed is 10km/h, minimum wind speed for the rated level (132/230kv) is
3.2km/h;
♦ Earthquake intensity: <8 level;
♦ Minimum nominal creepage distance: 31mm/kV;
♦ Air pollution degree: Class IV.
Main Technical Parameters
| No |
Item |
Unit |
Value |
|
| 1 | Rated voltage |
kV |
40.5 |
|
| e | Rated
insulation level |
1 min power frequency
Dry test (fracture, inter-phase, to earth) Wet test (to earth, external insulation) |
kV |
95 85 |
| Lightning impulse withstand voltage
(peak) |
185 |
|||
| 3 | Rated current |
A |
1250, 1600, 2000, 2500 |
|
| 4 | Rated short circuit breaking current |
kA |
20, 25, 31.5 |
|
|
No |
Item |
Unit |
Value |
| 5 | Rated short circuit making current (peak) |
kA |
50, 63, 80 |
| 6 | Rated peak withstand current |
kA |
50, 63, 80 |
| 7 | Rated short time withstand current |
kA |
20, 25, 31.5 |
| 8 | Rated operating sequence |
O-0.3S-CO-1 80S-CO |
|
| 9 | Rated short circuit breaking current breaking number |
times |
20 |
| 10 | Rated short circuit duration | s |
4 |
| 11 | Breaking time | s |
<0.09 |
| 12 | Mechanical life |
times |
10000 |
| 13 | Vacuum Newly manufactured interrupter
interrupter During 20-year storage time |
Ps |
《1.33×10-3 |
|
<6.6×10-2 |
|||
| 14 | Circuit breaker net weight |
kg |
800 |
| 15 | Clearance between open contacts |
mm |
22±2 |
| 16 | Contact travel |
mm |
4±1 |
| 17 | Average opening speed |
m/s |
1.4-1.7 |
| 18 | Average closing speed |
m/s |
0.4-0.7 |
| 19 | Contact closing bounce time |
ms |
<3 |
| 20 | Inter-phase opening and closing synchronism |
ms |
<2 |
| 21 | Closing time |
ms |
50<t<200 |
| 22 | Opening time |
ms |
30<t<60 |
| 23 | Each phase main circuit DC resistance (not include
CT internal resistance) |
|jQ |
<100 |
| 24 | Dynamic and fixed contact cumulative thickness allowed to wear |
mm |
3 |
|
25 |
Rated contact pressure |
N |
2500±200 |
General Structure Drawing and Installation Size (unit: mm)
♦ Side-mechanism type
♦ Mid-mechanism type
Product detail pictures:
Related Product Guide:
We now have our individual sales group, layout team, technical team, QC crew and package group. Now we have strict high-quality control procedures for each procedure. Also, all of our workers are experienced in printing discipline for Europe style for Outdoor Vacuum Circuit Breaker Auto Recloser - ZW7-40.5 Series Outdoor High Voltage Vacuum Circuit Breaker (Recloser) – Ghorit, The product will supply to all over the world, such as: Nepal, Las Vegas, Swaziland, We are fully aware of our customer's needs. We provide high quality products, competitive prices and the first class service. We would like to establish good business relationships as well as friendship with you in the near future.
By Rosalind from Auckland - 2018.09.29 17:23
It is a very good, very rare business partners, looking forward to the next more perfect cooperation!
By Louis from Ireland - 2018.04.25 16:46
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