Vacuum Chamber TJC20-12/630
Vacuum Chamber TJC20-12/630
Parameter
| 
 No.  | 
 MAIN TECHNICAL DATA  | 
 Unit  | 
 
  | 
|
| 
 1  | 
 Rated Voltage  | 
 kV  | 
 12  | 
|
| 
 2  | 
 Lightning Impulse Withstand Voltage (Peak)  | 
 kV  | 
 75  | 
|
| 
 3  | 
 Short-time (1min) Power-frequency Withstand Voltage  | 
 kV  | 
 42  | 
|
| 
 4  | 
 Rated Frequency  | 
 Hz  | 
 50/60  | 
|
| 
 5  | 
 Rated Current  | 
 A  | 
 630  | 
|
| 
 6  | 
 Rated Short-time Withstand Current  | 
 kA  | 
 6.3  | 
|
| 
 7  | 
 Rated duration of Short-circuit  | 
 s  | 
 4  | 
|
| 
 8  | 
 Rated Breaking Current  | 
 A  | 
 
  | 
|
| 
 9  | 
 Limiting Breaking Current  | 
 kA  | 
 
  | 
|
| 
 10  | 
 Rated Making Current  | 
 kA  | 
 6.3  | 
|
| 
 11  | 
 Rated Operating Frequency  | 
 AC-3  | 
 Operations/h  | 
 
  | 
| 
 AC-4  | 
 300  | 
|||
| 
 12  | 
 Short-time Operating Frequency  | 
 Operations/h  | 
 
  | 
|
| 
 13  | 
 Utilization Category  | 
 AC  | 
 
  | 
|
| 
 14  | 
 Electrical Endurance  | 
 AC-3  | 
 Operations  | 
 2.5*105  | 
| 
 AC-4  | 
 5*104  | 
|||
| 
 15  | 
 Mechanical Endurance  | 
 Operations  | 
 3.0*105  | 
|
| 
 16  | 
 Clearance Between Open Contacts  | 
 N  | 
 5.5~7  | 
|
| 
 17  | 
 Contact Closing Force Due to Bellows and Atmosphere  | 
 N  | 
 80+ -10  | 
|
| 
 18  | 
 Counter force of Contacts at Full Stroke  | 
 μΩ  | 
 110+ -10  | 
|
| 
 19  | 
 Circuit Resistance at Min. Rated Contact Force  | 
 mm  | 
 <=160  | 
|
| 
 20  | 
 Contact Limit Erosion  | 
 
  | 
 1.5  | 
|
| 
 21  | 
 Mass of Moving Parts  | 
 
  | 
 0.49  | 
|
| 
 22  | 
 Internal Gas Pressure  | 
 Pa  | 
 <=1.33*10-3  | 
|
| 
 23  | 
 Shelf Life  | 
 Year  | 
 20  | 
|
Outline Dimension drawing









