Модель: VITJ 12/630G
Вакуумные прерывателя
VITJ 12 / 630G
ELECTRICAL RATINGS(3PHASE) SYMMETRICAL BASIS | |
1.Rated Frequency | 50/60Hz |
2.Rated Maximum Line to Line Voltage | 12kV,r.m.s |
3.Rated Power Frequency Withstand Voltage:Air | 42kV,r.m.s |
4.Rated Impulse Withstand Voltage:Air | 95kV,Peak |
5.Rated Normal Current | 630A |
6.Maximum Contact Resistance at Minimum Closing Force | 50Micro ohms |
7.Limit Breaking Current | 6.3kA |
8.Rated Short-Time Withstand Current | 6.3kA |
9.Rated Making Current | 6.3kA |
10.Rated Breaking Current(Max/Min) | 5kA/0.125kA |
11.Rated Duration of Short Time Current | 4s |
MECHANICAL DATA | |
1.Interrupter Weight(Approx.) | 1.43kg |
2.Moving Part Weight(Approx.) | 0.47kg |
3.Closing Force due to Bellow and Atmospheric | 7020N |
4.Force Required to Hold Contacts open at Full Stroke | 10030N |
MECHANICAL REQUIREMENTS(REF. VC) | |
1.Contact Stroke | 61 mm |
2.Opening Speed(average of 75 contact gap) | 0.70.3m/Sec |
3.Closing Speed(average of last 30% contact gap) | 0.30.1m/Sec |
4.Contact Bounce Duration at Closing Operation | 3ms |
5.Closing and Opening non-simultaneity of three-phase Contacts | 1ms |
6.Maximum Rebound during opening | 2mm |
7.Rated Contact Compressive Force | 10010N |
LIFE (ESTIMATED) | |
1.Electrical Endurance AC-3 | 250,000Operations |
2.Electrical Endurance AC-4 | 100,000Operations |
3.Mechanical Life | 300,000Operations |
4.Contact Erosion Limit | 3mm |
5.Shelf Life | 20Years |
Группа Продуктов : Вакуумные прерыватель