Vacuum Interrupter For Capacitor Switches that we provide have longer shelf life and can perform more number of electrical as well as mechanical operations than other products in the market. Along with good electrical endurance, our Vacuum Interrupter For Capacitor Switches are very efficient. In addition to this, Vacuum Interrupter For Capacitor Switches, provided by us, need low maintenance.

Electrical Ratings(3Phase) Symmetrical Basis
Rated Frequency	50/60Hz
Rated Maximum Line to Line Voltage	24kV,r.m.s
Rated Power Frequency Withstand Voltage	65kV,r.m.s
Rated Impulse Withstand Voltage	125kV,Peak
Rated Normal Current	400A
Maximum Contact Resistance at Minimum Closing Force	70Micro ohms
Rated Capacitive Switching Current	400A
Rated Momentary Current, symmetrical	6kA,r.m.s
Rated Momentary Current, asymmetrical	9kA,r.m.s
Rated 1/2 second,Short-time Current	6kA,r.m.s
Rated 1 second,Short-time Current	4.5kA,r.m.s
Rated High-frequency Transient Making Current	9kA,r.m.s
Rated Transient Inrush Frequency	6000Hz
Mechanical Data
Interrupter Weight(Approx.)	1.26kg
Moving Part Weight(Approx.)	0.63kg
Closing Force due to Bellow and Atmospheric	60±30N
Force Required to Hold Contacts open at Full Stroke	130±40N
Mechanical Requirements(Ref. VCB)
Contact Stroke	14±1 mm
Opening Speed(average of 75 contact gap)	1.2±0.2m/Sec
Maximum Overtravel During Opening	2mm
Maximun Rebound During Opening	2mm
Closing Speed(average of last 30% contact gap)	0.9±0.2m/Sec
Maximum Contact Bounse Duration(with maximum 2 bounces)	â‰Â¤2ms
Rated Contact Compressive Force	300N
Added external contact force at contact touch point	220N
Life (Estimated)
Mechanical Life	50,000 Operations
Contact Erosion Limit	3mm
Shelf Life	20Years

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.