TF544S VITF 36/2000-20S

We have gained deep knowledge and expertise in making available quality tested Vacuum Interrupter For Load Breaking Switches to the valued clients. The Vacuum Interrupter For Load Breaking Switches, which we offer, find use in diverse industries due to their fabrication in accordance with the set industrial standards. What make Vacuum Interrupter For Load Breaking Switches preferred in comparison to the other alternatives available is their high electrical endurance.

Electrical Ratings (3Phase) Symmetrical Basis
Rated frequency	50/60Hz
Rated Voltage	36kV,r.m.s
Rated short-time power-frequency withstand voltage (1 min)	95kV,r.m.s
Rated lightning impulse withstand voltage	185kV,Peak
Rated Current	2000A
Maximum Contact Resistance at Minimum Closing Force	â‰Â¤35Micro ohms
Rated short-time withstand current	20kA,r.m.s
Rated duration of short-circuit	3s
Rated peak withstand current	50kA,r.m.s
Rated short-circuit making Current	20kA,r.m.s
Rated active load breaking current	2000A
Rated closed-loop breaking current	2000A
Rated capacity of no-load transformer	10A
Rated cable-charging breaking current	20A
Rated line charging breaking current	2A
Rated earth fault breaking current	60A
Rated cable and line charging breaking current under earth fault condition	34.6A
*Rated breaking current of single capacitor bank	400A
*Rated breaking current of back-to-back capacitor bank	400A
Mechanical Data
Interrupter Weight(Approx.)	6.56kg
Weight of movable parts	2.68kg
Closing force due to bellow and atmosphere	170±30N
Force required to hold contacts open at full stroke	320±50N
Mechanical Requirements (Ref. Lbs)
Clearance between open contacts	16±1mm
Average opening speed(average of first 75% of contact gap)	1.6±0.2m/s
Average closing speed(average of last 30% of contact gap)	0.8±0.2m/s
Rated added external contact final force	2000±100N
Contact bouncing duration at closing operation	â‰Â¤2ms
Closing and Opening non-simultaneity of threephase Contacts	â‰Â¤2ms
Maximum Rebound during opening	â‰Â¤2ms
Life
Storage life	20years
Mechanical endurance	10000 Operations
Contacts limit erosion	3mm

Note

• Meets or exceeds the electrical endurance requirements of class E2 for autoreclosing duty per IEC 62271-200 and JB 8738-2008.
• * Rated Characteristics to be given on request"