For VIP300, pick-up time was not specifically mentioned in the manual, unlike with the VIP400 manual. But, there is a clause in the VIP300 manual that says:
The accuracy is indicated for a fault (sinusoidal current) that occurs when the VIP300 is already supplied by the current flowing through the circuit breaker. In the event of closing on a fault, the tripping time may be increased by:
+30 ms at 1.5 Is
+20 ms from 2 Is to 10 Is
+10 ms above 10 Is
Basically, these additional milliseconds are the time needed by the VIP300 to start reading or operating again after power cut-off.
The accuracy is indicated for a fault (sinusoidal current) that occurs when the VIP300 is already supplied by the current flowing through the circuit breaker. In the event of closing on a fault, the tripping time may be increased by:
+30 ms at 1.5 Is
+20 ms from 2 Is to 10 Is
+10 ms above 10 Is
Basically, these additional milliseconds are the time needed by the VIP300 to start reading or operating again after power cut-off.
Gepubliceerd voor: Schneider Electric Belgium
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