Vacuum circuit breaker ZW37BEL-40.5
ZW37BEL-40.5 high voltage outdoor vacuum circuit breaker is used for operation in normal and emergency modes in three-phase 50Hz AC grid with rated voltage up to 40,5kV.
Manufacturer: "AES-komplekt" (Belarus)
Manufacturer: "AES-komplekt" (Belarus)
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Описание
Type designation: 
ZW37BEL-40.5 model outdoor vacuum circuit breaker is high voltage swit ch of rated voltage 40.5kV and three -phase. It applies to make and break big current, overload current and short-circuit current in power system. The applicable occasion includes substations, industry andmining, urban and rural grid, functioning as electric protection and control apparatus; it is especially applicable in occasions with frequent operation and automatic power distribution network. This product conforms with IEC 62271-100 standards.
Operating conditions:
- Altitude: 1000m.
- Ambient temperature: -45 - +40 C.
- Earthquake intensity: 8 degrees.
- Relative humidity: monthly average 90%.
- Ice thickness: 20mm.
- Ambient pollution level at normal operation mode: class IV.
- Operating life 40 years.
Документация
Технические характеристики
Technical characteristics
| # | Characteristics | Unit | Data | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Rated voltage | kV | 35/40,5 | |||||||||
| 2 | Rated current | A |
630, 1250, 1600, 2000 |
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| 3 | Rated short circuit breaking current | kA | 20 | 25 | 31,5 | |||||||
| 4 | Rated making current | kA | 50 | 63 | 80 | |||||||
| 5 | Thermal withstand current, 4 sec | kA | 20 | 25 | 31,5 | |||||||
| 6 | Peak withstand current (electrodynamic withstand) | kA | 50 | 63 | 80 | |||||||
| 7 | Rated short circuit duration | Sec | 4 | |||||||||
| 8 | Rated insulaiton level |
1 min PF withstand voltage Lightning impulse peak withstand voltage |
kV |
Between poles contact and to earth: 115/95 215/190 |
||||||||
| 9 | Rated switching cycle |
O-0,3s-CO-180s-CO O-0,3s-CO-20s-CO |
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| 10 | Rated short circuit breaking current resourse | Cycles | 25 | |||||||||
| 11 | Mechanical life | Cycles | 10000 | |||||||||
| 12 | Rated operating voltage | V | 220 | |||||||||
| 13 | Rated voltage of auxiliary circuits | V | 220 | |||||||||
| 14 | Creepage distance | mm/kV | 25; 31 | |||||||||
Mechanical characteristics
| # | Characteristics | Unit | Data | |
|---|---|---|---|---|
| 1 | Travel of contact | mm |
17±1 for 630 and 1250A 20±2 for 1600 and 2000A |
|
| 2 | Wearing out of contact | mm | 3±1 | |
| 3 | Closing speed | m/s | 0,6±0,2 | |
| 4 | Opening speed | m/s | 1,5±0,3 | |
| 5 | Closing time | ms | ≤60 | |
| 6 | Opening time | ms | ≤45 | |
| 7 | Time of opening and closing | ms | ≤65 | |
| 8 | Asynchrony of three-phase opening | ms | ≤3 | |
| 9 | Asynchrony of three-phase closing | ms | ≤3 | |
| 10 | Circuit resistance of each phase | mcOhm | ≤100 | |
| 11 | Distance between centers of phases | mm | 700±2 | |
| 12 | Closing solenoid current | A | ≤1,5 | |
| 13 | Opening solenoid current | A | ≤1,5 | |
| 14 | Motor of winding of springs capacity | W | 70 | |
- Pole.
- Operating mechanism box.
- Control box.
- Frame.
- Vacuum chamber.
- Porcelain support insulator.
- Insulation rod.
- Connecting rod.
- Intermediate shaft.
- Upper terminal.
- Lower terminal.
- Main shaft.
- Opening spring.
