Leveraging on the expertise of a dedicated team of employees, we bring forth the best quality Vacuum Interrupter For Load Breaking Switches to the clients at the market leading prices. The Vacuum Interrupter For Load Breaking Switches, we supply and export, is appreciated for its unmatched electrical endurance. Moreover, the Vacuum Interrupter For Load Breaking Switches are preferred due to their excellent mechanical and electrical life.

Electrical Ratings (3Phase) Symmetrical Basis
Rated frequency	50/60Hz
Rated Voltage	36kV,r.m.s
Rated short-time power-frequency withstand voltage (1 min)	70kV,r.m.s
Rated lightning impulse withstand voltage	170kV,Peak
Rated Current	1250A
Maximum Contact Resistance at Minimum Closing Force	â‰Â¤35Micro ohms
Rated short-time withstand current	16kA,r.m.s
Rated duration of short-circuit	4s
Rated peak withstand current	40kA,r.m.s
Rated short-circuit making Current	40kA,r.m.s
Rated active load breaking current	630A
Rated closed-loop breaking current	630A
Rated capacity of no-load transformer	1250kVA
Rated cable-charging breaking current	10A
*Rated breaking current of single capacitor bank	400A
*Rated breaking current of back-to-back capacitor bank	400A
Mechanical Data
Interrupter Weight(Approx.)	2.26kg
Weight of movable parts	0.98kg
Closing force due to bellow and atmosphere	70±30N
Force required to hold contacts open at full stroke	145±50N
Mechanical Requirements (Ref. Lbs)
Clearance between open contacts	14±1mm
Average opening speed(average of first 75% of contact gap)	0.6±0.2m/s
Average closing speed(average of last 30% of contact gap)	0.6±0.2m/s
Rated added external contact final force	1000±100N
Added external contact force at contact touch point	750±80N
Contact bouncing duration at closing operation	â‰Â¤2ms
Closing and Opening non-simultaneity of three-phase 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"