TJ040K Vacuum Interrupter

Vacuum Interrupter for Contactor


VITJ 1.14/1600K

ELECTRICAL RATINGS(3PHASE) SYMMETRICAL BASIS
1.Rated Frequency	50/60Hz
2.Rated Maximum Line to Line Voltage	1.14kV,r.m.s
3.Rated Power Frequency Withstand Voltage:Air	10kV,r.m.s
4.Rated Impulse Withstand Voltage:Air	15kV,Peak
5.Rated Normal Current	1600/2000A
6.Maximum Contact Resistance at Minimum Closing Force	50Micro ohms
7.Rated Making Current	6.3/10kA
8.Rated Breaking Current	5.0/8.0kA
9.Rated Breaking Current(Max)	6.3/10kA
10.Rated Breaking Current(Min)	320/400A
11.Rated Short-Time Withstand Current	5.0/8.0kA
12.Rated Duration of Short Time Current	4s
MECHANICAL DATA
1.Interrupter Weight(Approx.)	1.34kg
2.Moving Part Weight(Approx.)	0.47kg
3.Closing Force due to Bellow and Atmospheric	7020N
4.Force Required to Hold Contacts open at Full Stroke	11030N
MECHANICAL REQUIREMENTS(REF. VC)
1.Contact Stroke	4.51 mm
2.Opening Speed(average of 75 contact gap)	0.60.2m/Sec
3.Closing Speed(average of last 30% contact gap)	0.30.1m/Sec
4.Contact Bounce Duration at Closing Operation	3ms
5.Closing and Opening non-simultaneity of three-phase Contacts	1ms
6.Maximum Rebound during opening	2mm
7.Rated Contact Compressive Force	20010N
LIFE (ESTIMATED)
1.Electrical Endurance AC-3	250,000Operations
2.Electrical Endurance AC-4	100,000Operations
3.Mechanical Life	500,000Operations
4.Contact Erosion Limit	3mm
5.Shelf Life	20Years

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