TD545A Vakuum Unterbrecher
Basisinformation
Modell: VITD 36/2000-25A
Produktbeschreibung
Vakuum Unterbrecher
VITD 36/2000-25A
ELECTRICAL RATINGS(3PHASE) SYMMETRICAL BASIS | |
1.Rated frequency | 50/60Hz |
2.Rated Voltage | 40.5kV,r.m.s |
3.Rated short-time power-frequency withstand voltage (1 min) | 95kV,r.m.s |
4.Rated lightning impulse withstand voltage | 185kV,Peak |
5.Rated Current | 2000A |
6.Circuit resistance at lowest rated contact force | 20Micro ohms |
7.Rated short-circuit breaking Current | 25kA,r.m.s |
8.Rated short-time withstand current | 25kA,r.m.s |
9.Rated duration of short-circuit | 4s |
10.Rated peak withstand current | 63kA,r.m.s |
11.Rated short-circuit making Current | 63kA,r.m.s |
12.Max. Dc component | 40% |
13.*Rated breaking current of single capacitor bank | 630A,r.m.s |
14.*Rated breaking current of back-to-back capacitor bank | 400A,r.m.s |
15.Rated operating sequence | O-0.3(0.5)s-CO-180s-CO |
MECHANICAL DATA | |
1.Interrupter Weight(Approx.) | 8.23kg |
2.Weight of movable parts | 3.74kg |
3.Closing force due to bellow and atmosphere | 17040N |
4.Force required to hold contacts open at full stroke | 32050N |
MECHANICAL REQUIREMENTS(REF. VCB) | |
1.Clearance between open contacts | 182mm |
2.Average opening speed(average of first 75% of contact gap) | 1.60.3m/Sec |
3.Average closing speed(average of last 30% of contact gap) | 1.30.2m/Sec |
4.Rated added external contact final force | 2500200N |
5.Contact bouncing duration at closing operation | 2ms |
6.Closing and Opening non-simultaneity of three-phase Contacts | 2ms |
7.Maximum Rebound during opening | 2mm |
LIFE | |
1.Electrical Life at Rated Normal Current | 20,000Operations |
2.Electrical Life at Rated Short Circuit Current | 50Operations |
3.Mechanical Life | 30,000Operations |
4.Contact Erosion Limit | 3mm |
5.Shelf Life | 20Years |
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 |
Produktgruppe : Vakuum-Schaltkammer
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