TJ340D VITJ 12/630D

The company stands tall among the well-known Exporters and Suppliers of Vacuum Interrupter For Contactors in Muzaffarnagar (India). The Vacuum Interrupter For Contactors, offered by the company, has a long shelf life and high electrical endurance. The company provides a superior quality range of Vacuum Interrupter For Contactors with long electrical and mechanical life.

Electrical Ratings (3Phase) Symmetrical Basis
Rated Frequency	50/60Hz
Rated Maximum Line to Line Voltage	12kV,r.m.s
Rated Power Frequency Withstand Voltage : Air	42kV,r.m.s
Rated Impulse Withstand Voltage : Air	95kV,Peak
Rated Normal Current	630A
Maximum Contact Resistance at Minimum Closing Force	50Micro ohms
Limit Breaking Current	6.3kA
Rated Short-Time Withstand Current	6.3kA
Rated Making Current	6.3kA
Rated Breaking Current(Max/Min)	5kA/0.125kA
Rated Duration of Short Time Current	4s
Mechanical Data
Interrupter Weight(Approx.)	1.47kg
Moving Part Weight(Approx.)	0.49kg
Closing Force due to Bellow and Atmospheric	70±20N
Force Required to Hold Contacts open at Full Stroke	100±30N
Mechanical Requirements (Ref. VC)
Contact Stroke	6±1 mm
Opening Speed(average of 75 contact gap)	0.7±0.3m/Sec
Closing Speed(average of last 30% contact gap)	0.4±0.2m/Sec
Contact Bounce Duration at Closing Operation	â‰Â¤3ms
Closing and Opening non-simultaneity of three-phase Contacts	â‰Â¤1ms
Maximum Rebound during opening	â‰Â¤2mm
Rated Contact Compressive Force	120±10N
Life (Estimated)
Electrical Endurance AC-3	250,000 Operations
Electrical Endurance AC-4	100,000 Operations
Mechanical Life	300,000 Operations
Contact Erosion Limit	3mm
Shelf Life	20Years