We are engaged in offering Vacuum Interrupter For Contactor, which is appreciated due its construction in accordance with the set industrial standards. What makes the Vacuum Interrupter For Contactor, we offer, stand out in comparison to the other alternatives available is their exceptionally high shelf life. Being sourced from the most reliable vendors of the market, Vacuum Interrupter For Contactor is assured of its excellent electrical endurance.

Electrical Ratings (3Phase) Symmetrical Basis
Rated Frequency	50/60Hz
Rated Maximum Line to Line Voltage	33kV,r.m.s
Rated Power Frequency Withstand Voltage : Air	70kV,r.m.s
Rated Impulse Withstand Voltage : Air	170kV,Peak
Rated Normal Current	800A
Maximum Contact Resistance at Minimum Closing Force	40Micro 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.)	2.26kg
Moving Part Weight(Approx.)	0.98kg
Closing Force due to Bellow and Atmospheric	70±20N
Force Required to Hold Contacts open at Full Stroke	145±30N
Mechanical Requirements (Ref. VC)
Contact Stroke	14±1 mm
Opening Speed(average of 75 contact gap)	1.5±0.10m/Sec
Closing Speed(average of last 30% contact gap)	0.6±0.10m/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	600±40N
Life (Estimated)
Electrical Endurance AC-3	30,000 Operations
Electrical Endurance AC-4	30,000 Operations
Mechanical Life	30,000 Operations
Contact Erosion Limit	3mm
Shelf Life	20Years