Модель: VITF 12/630-20B
Вакуумные прерыватель для коммутатора выключатель нагрузки
VITF 12/630-20B
ELECTRICAL RATINGS(3PHASE) SYMMETRICAL BASIS | |
1.Rated frequency | 50/60Hz |
2.Rated Voltage | 12kV,r.m.s |
3.Rated short-time power-frequency withstand voltage (1 min) | 42kV,r.m.s |
4.Rated lightning impulse withstand voltage | 95kV,Peak |
5.Rated Current | 630A |
6.Maximum Contact Resistance at Minimum Closing Force | 35Micro ohms |
7.Rated short-time withstand current | 20kA,r.m.s |
8.Rated duration of short-circuit | 4s |
9.Rated peak withstand current | 50kA,r.m.s |
10.Rated short-circuit making Current | 50kA,r.m.s |
11.Rated active load breaking current | 630A |
12.Rated closed-loop breaking current | 630A |
13.Rated capacity of no-load transformer | 1250kVA |
14.Rated cable-charging breaking current | 10A |
15.*Rated breaking current of single capacitor bank | 400A |
16.*Rated breaking current of back-to-back capacitor bank | 400A |
MECHANICAL DATA | |
1.Interrupter Weight(Approx.) | 0.98kg |
2.Weight of movable parts | 0.41kg |
3.Closing force due to bellow and atmosphere | 7030N |
4.Force required to hold contacts open at full stroke | 13050N |
MECHANICAL REQUIREMENTS(REF. LBS) | |
1.Clearance between open contacts | 81mm |
2.Average opening speed(average of first 75% of contact gap) | 1.20.2m/s |
3.Average closing speed(average of last 30% of contact gap) | 0.60.2m/s |
4.Rated added external contact final force | 1000100N |
5.Added external contact force at contact touch point | 75080N |
6.Contact bouncing duration at closing operation | 2ms |
7.Closing and Opening non-simultaneity of three-phase Contacts | 2ms |
8.Maximum Rebound during opening | 2ms |
LIFE | |
1.Storage life | 20years |
2.Mechanical endurance | 10000Operations |
3.Contacts limit erosion | 3mm |
1.Meets or exceeds the electrical endurance requirements of class E2 for autoreclosing duty per IEC 62271-200 and JB 8738-2008. 2.* Rated Characteristics to be given on request |
Группа Продуктов : Вакуумные прерыватель