24kV Indoor Vacuum Circuit Breaker
| Min. Order: | 1 Set/Sets |
|---|---|
| Payment Terms: | L/C, T/T, WU |
| Supply Ability: | 1000 per month |
| Place of Origin: | Zhejiang |
Company Profile
| Location: | Ningbo, Zhejiang, China (Mainland) |
|---|---|
| Business Type: | Manufacturer, Distributor/Wholesaler |
Product Detail
| Model No.: | VN2-24E |
|---|---|
| Means of Transport: | Ocean, Air, Land |
| Type: | Vacuum |
| Poles Number: | 3 |
| Brand Name: | PURANA |
| Rated Voltage: | 24kV |
| Rated Current: | 630-2500A |
| Rated Short Circuit Breaking Current: | 20/25/31.5kA |
| Rated Peak Withstand Current: | 50/63/80kA |
| Production Capacity: | 1000 per month |
| Packing: | In wooden cases |
| Delivery Date: | 25 working days |
Product Description
VN2-24E indoor medium-voltage AC vacuum circuit breaker is a newest product designed by our company which is applicable to 3-phases AC50Hz, 24kV indoor switch systems. The product is with characteristics of smaller volume, reliable insulation, no pollution, long time free maintenance and so on. It is produced with standardized circuit breaker assembly line and has good performance and perfect quality.
Characteristics:
1. Equipped with modularized operating mechanism which make the maintenance and the replacing are more convenient. The replace of module do not affect the dynamic capability and also shorten the power-off duration.
2. The interrupter and primary circuit are sealed in the epoxy resin, which make the circuit breaker is more reliable.
3. The pole using converted and ventilated technique and lower resistance vacuum circuit breaker limit the temperature rising because of circuit breaker working for a long time and also reduce the power loss.
4. The operating mechanism is designed uniquely and avoid the moving contact over-rebounding when the circuit breaker is opened and prolong the vacuum interrupter mechanical life.
5. Past the type test according to the national standards, such as GB, DL, international standards of IEC, CEI, DIN, VDE and other major industrialized countries.
| Main Technical Parameters of 24kV Vacuum Circuit Breaker | |||||
| Rated Voltage | |||||
| Rated Voltage | Ur[kV] | 24 | |||
| 1min power frequency withstand voltage(effective value) | Ud(1min)[kV] | Between phase or phase to the earth | 65 | Isolated joints | 79 |
| Lightning impulse withstand voltage(peak value) | Up[kV] | 125 | 145 | ||
| 1min power frequency voltage of the secondary controlling circuit | [V] | 2000 | |||
| Power supply of controlling circuit | [V] | AC220, DC220/110 | |||
| Rated frequency | Fr[Hz] | 50/60 | |||
| Rated operating sequence | O-0.3s-CO-180s-CO | ||||
| Rated Current | |||||
| Rated current | Ir[A] | 630, 1250, 1600, 2000, 2500, 3150 | |||
| Rated short-circuit breaking current | Ics[kA] | 20, 25, 31.5 | |||
| Rated short-circuit making current | Iu[kA] | 50, 63, 80 | |||
| Rated short-time withstand current | Ik[kA] | 20, 25, 31.5 | |||
| Rated peaking withstand current | Ip[kA] | 50, 63, 80 | |||
| Rated capacitor bank breaking current | [A] | 400 | |||
| Rated capacitor bank making current | [kA](4250Hz) | 20 | |||
| Mechanical character | |||||
| Mechanical lifetime | Cycle | 20000 | |||
| Electrical lifetime | E2 | ||||
| Opening time | [ms] | 20~50 | |||
| Arcing time | [ms] | ≤15 | |||
| Full breaking time | [ms] | 30~65 | |||
| Closing time | [ms] | 35~70 | |||
Frame of indoor withdrawable vacuum circuit breaker:
Indoor withdrawable vacuum circuit breaker production scenes:
