Switches & Breakers
Indoor Vacuum Circuit Breaker
Description
11 kV Vacuum Circuit Breaker for Indoor Application, available in permanent Magnetic Latch type Mechanism. Vacuum Circuit Breakers having short circuit breaking capacity of 37.5kArms for 1 Sec.
Technical Specifications
| Application | Indoor | Reference Standard | IEC 62271 |
|---|---|---|---|
| Rated Voltage | 3.3kV/6.6kV/11kV | Frequency | 50Hz |
| Rated current | 1250A | Rated capacitor switching current | 100/200A |
| Rated short circuit current | 10kA rms for 1 sec. | Rated short circuit breaking current | 37.5kA rms |
| Electrical / Mechanical endurance | 50000 to 10000 operations | Basic Insulation Level | 28kV rms / 75kV peak |
| Switch class | C1 | Auxiliary Contacts | 3NO+3NC |
| Auxiliary control Voltage | 110V AC/DC | No. of Closing coils in each VC | 1 Nos. |
| No. of Tripping coils in each VC | 2 Nos. |