TF413P VITF 24/630-16P

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Electrical Ratings (3Phase) Symmetrical Basis
Rated frequency	50/60Hz
Rated Voltage	24kV,r.m.s
Rated short-time power-frequency withstand voltage (1 min)	60kV,r.m.s
Rated lightning impulse withstand voltage	125kV,Peak
Rated Current	630A
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	4s
Rated peak withstand current	50kA,r.m.s
Rated short-circuit making Current	50kA,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.)	1.25kg
Weight of movable parts	0.68kg
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	12±1mm
Average opening speed(average of first 75% of contact gap)	1.2±0.2m/s
Average closing speed(average of last 30% of contact gap)	0.7±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"