http://www.relay-tester.com/switch-test-equipment/
Switch Test Equipment The definition of terms 鈼?Open (Close) gate time:: minute open(close) tripping coil power as the starting time, the dynamic and static contact just minutes open(close) of the time. 鈼?With the same period: The same phase among the open (close) opening time difference between the maximum and minimum. 鈼?Interphase period: Three among the open (close) opening time difference between the maximum and minimum. 鈼?Average speed: Open (close) gate process, the moving contacts total stroke before and after each take 10%, to take the middle 80% of the moving contact sport
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