RVB Type medium-voltage outdoor vacuum circuit breaker
RVB Type medium-voltage outdoor vacuum circuit breaker is applicable for three-phase AC power system of rated voltage up to 42kV and frequency 50/60Hz, widely used in many fields such as power plant, transformer substation, petrol chemical industry, metallurgy, manufacturing industry, airport, residential area, etc., to control and protect the electric equipment, especially.
This circuit breaker is standards as IEC62271-200, GB1984-2003 high voltage circuit breaker for order as well as IEC60694.
This circuit breaker is made with mature APG technology. The application of RVB terminal buffer guarantees the terminal is ever more reliable in nay operation environment.
RVB Type medium-voltage outdoor vacuum circuit breaker is applicable for three-phase AC power system of rated voltage up to 42kV and frequency 50/60Hz, widely used in many fields such as power plant, transformer substation, petrol chemical industry, metallurgy, manufacturing industry, airport, residential area, etc., to control and protect the electric equipment, especially.
This circuit breaker is standards as IEC62271-200, GB1984-2003 high voltage circuit breaker for order as well as IEC60694.
This circuit breaker is made with mature APG technology. The application of RVB terminal buffer guarantees the terminal is ever more reliable in nay operation environment.
| No. | Item | Unit | Data | ||
1. | Rated voltage | KV | 12/24/36/40.5 | ||
2. | Power frequency | Wet | 42/65/70/95 | ||
| dry | 45/70/80/110 | ||||
3. | Lingthning impluse withstand voltage(peak value) | 75/95/125/150/170/185/200 | |||
4. | Rated current | A | 630/1250A/1600/2000/2500A | ||
5. | Rated short circuit breaking current | KA | 25/31.5/40 | ||
6. | Rated capacitor bank breaking current | A | 600/800 | ||
7. | Rated short circuit breaking times | Times | 30 | ||
8. | Rated making current | KA | 63/80/100 | ||
9. | Rated short circuit peak withsatnd current | ||||
10. | Rated shortcircuit withstand curren | 25/31.5/40 | |||
11. | Rated short time duration time | S | 3/4 | ||
12. | Complete breaking time | ms | ≤100 | ||
13. | Opening time | Highest operate voltage | 15~50 | ||
| Rated operate voltage | 15~50 | ||||
| Lowest operate voltage | 30~60 | ||||
14. | Closing time | 25~50 | |||
15. | Contact closing bounce time | ≤3 | |||
| Out of simultaneity of contact switching | ≤2 | ||||
| Contact overitravel on Opening | mm | ≤2 | |||
16. | Mechanical life | 20000(Normal) | |||
17. | Electrical life(Rated onload switching) | 10000(Noraml) | |||
18. | Rated operate sequence | O-0.3-CO-180S-CO | |||
19. | Weight | ≤250kg | |||