FZW32-40.5 outdoor AC high voltage disconnect vacuum load break switch is a new product adopts domestic existing mature load break switch production experience and overseas advanced technology to design and man ufact ire. the load break switch is composed of disconnect blade, vacuum interrupter and operation mechanism. vacuum extinguishing arc, there are merits as strong extinguishing arc ability, reliable performance, long lifetime, small volume, no explosive danger and no pollution to environment.
Environmental Conditions
♦ Ambient air temperature: -25~+40^, daily temperature <32K
♦ Altitude: 1000m
♦ Wind pressure <700Pa (equal to wind speed 34m/s)
♦ Air pollution degree: according to GB5582 point 4.1 for IV level
♦ Seismic tension: <8 levelAmbienttemperature:-15°C〜+40°C;
Main Technical Parameters
|
NO. |
Name |
Unit |
Value |
||
| 1 | Rated voltage |
KV |
40.5 |
||
| 2 | Rated current |
A |
630 |
||
| 3 | Rated frequency |
Hz |
50 |
||
| 4 | Rated peak withstand current |
KA |
50 |
||
| 5 | Rated short time withstand current |
KA |
20 |
||
| 6 | Rated short time withstand current duration |
s |
4 |
||
| 7 | Rated active load breaking current |
A |
630 |
||
| 8 | Rated closed loop breaking current |
A |
630 |
||
| 9 | Rated cable charging breaking current |
A |
10 |
||
| 10 | 5% rated active load breWng current |
A |
31. 5 |
||
| 11 | Rated breaking capacLy of no-load transformer |
KVA |
1250 |
||
| 12 | Rated short circuit closing current |
KA |
50 |
||
| 13 | Major loop resistance |
卩Q |
<95 |
||
| 14 | 1min power frequency withstand voltage(RMS) | Dry test | Pole-to-pole, pole-to earth |
KV |
95 |
| Isolating fracture |
115 |
||||
| Wet test | Pole-to-pole, pole-to earth |
85 |
|||
| 15 | Lightning impulse withstandvoltage (peak) | Pole-to-pole, pole-to earth |
KV |
185 |
|
| Isolating fracture |
215 |
||||
| 16 | Mechanical life |
Times |
10000 |
||
|
NO. |
Name | Unit |
Value |
|
17 |
Three-phase opening/closing asynchronism | ms |
<15 |
|
18 |
Motor voltage and power |
V W |
£220 <200 |
|
19 |
Contact knife breaking position deviation |
mm |
<5 |
|
20 |
Main contact knife pressure |
N |
420±42 |
|
21 |
Clearance between contact knives |
mm |
>360 |
|
22 |
Rated peak operating torque |
Nm |
<300 |
General Structure Drawing and Installation Size (unit: mm)
1. Vacuum interrupter 2. Opening spring
3. Disconnector components 4. Insulator
5. Frame 6. Spring
