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View Full Version : Why solenoid coil Vacuum Contactor, opening time more than closing time ?


rajdeeppatil
Feb 29, 2012, 11:19 PM
Details =
Closing time = 98ms,
Opening time = 245ms

tkrussell
Mar 3, 2012, 06:07 AM
That is the characteristic of that contactor you have.

You may find contactors that having quicker opening and longer closing time.

Keep in mind that opening is acting against the mechanics that are holding it closed.

Stratmando
Mar 3, 2012, 06:13 AM
To add to above post, It is an instant Strong magnetic field to close it Vs a spring to open it.