Vacuum circuit breaker VS1BEL-12
VS1BEL-12 - indoor high voltage vacuum circuit-breaker is used for switching of electric circuits at normal and emergency opertion modes in three-phases AC grid of 50Hz with 12kV rated voltage.
Manufacturer: "AES-komplekt" (Belarus)
Manufacturer: "AES-komplekt" (Belarus)
Type designation:
Operating conditions:
- Altitude above sea level 1000 m.
- Ambient temperature: -40°С — +40°С.
- Ambient humidity: avarage daily relative humidity — not more than 95%; average monthly relative humidity — not more than 90%.
- Earthquake resistance: earthquake not more than 8 points.
- There shall be protection from fire, explosion, severe pollution, chemical erosion and severe vibrations.
- Circuit breaker operating life 30 years.
This equipment is used in the following projects:
Technical characteristics
| # | Name of parameter | Unit | Data |
|---|---|---|---|
| 1 | Rated voltage | kV | 12 |
| 2 | Rated frequency | Hz | 50 |
| 3 | Lightning impulse withstand voltage | kV | 75 |
| 4 | 1min power frequency withstand voltage | kV | 42 |
Rated parameters
| Rated current, A | Short circuit rated breaking current (thermal withstand), kA | Electrodynamic withstand current (peak value), kA | Rated short circuit duration, sec | Quantity of emergency breaking | Mechanical life «C-tn-O», cycles |
|---|---|---|---|---|---|
| 630,1000,1250 | 20 | 50 | 4 | 50 | 30000 |
| 630,1000,1250 | 25 | 63 | 4 | 50 | 30000 |
| 1250,1600,2000,2500 | 31.5 | 80 | 4 | 50 | 25000 (30000*) |
| 1600,2000, 2500, 3150 | 40 | 100 | 4 | 30 | 25000 |
| 4000 | 40/50 | 125 | 4 | 12 | 10000 |
*should be coordinated with the producer
Mechanical parameters
| # | Parameter | Unit | Data |
|---|---|---|---|
| 1 | Travel of contacts | mm | 11±1 |
| 2 | Allowable wear-out of contacts | mm | 3,5±0,5 |
| 3 | Asynchrony of three-phase making and breaking | ms | ≤2 |
| 4 | Rated switching cycle |
O-0,3sec-CO-180sec-CO, O-0,3sec-CO-20sec-CO, (O-180sec-CO-180sec-CO for 40kA) |
|
| 5 | Closing time | ms | ≤100 |
| 6 | Opening time | ms | ≤50 |
Parameters of electromagnets of circuit-breaker
| Name | Capacity, W | Current, A | Rated voltege, V |
|---|---|---|---|
| Closing electromagnet | 245 | ≤ 1,67 / ≤1,1 | 110/220 (AC/DC) |
| Opening electromagnet | 245 | ≤ 1,67 / ≤1,1 | 110/220 (AC/DC) |
| Locking electromagnet | 10 | < 0,05 | 110/220 (AC/DC) |
| Overcurrent release | 3; 5 А |
Power supply of all elements of operating mechanism is DC, if AC power supply is required diode bridges are installed in the control scheme.
You can check all the feedbacks for offered equipment in "Documents" section.
The conditions of guarantee
Warranty and service maintenance is provided by "AES-komplekt".
Warranty period for equipment is 5 years.
It is possible to extend warranty obligations subject to separate agreement.