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Home > Produkt-Liste > Vakuum-Schaltkammer > TD544H Vakuum Unterbrecher

TD544H Vakuum Unterbrecher

Basisinformation

Modell: VITD 36/2000-20H

Produktbeschreibung

Vakuum Unterbrecher

VITD 36/2000-20H

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 20kA,r.m.s 
8.Rated short-time withstand current 20kA,r.m.s 
9.Rated duration of short-circuit 4s
10.Rated peak withstand current 50kA,r.m.s 
11.Rated short-circuit making Current 50kA,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.) 12.35kg 
2.Weight of movable parts 4.1kg
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 202mm
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 3100200N
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