What is the operating time of ground fault protection devices defined in the UL 1053 standard?

The UL 1053 standard defines in Table 22.1 the operating time of the ground fault protection devices:

Ground-fault current (A)	Time (s)
85% of pickup current	Shall not trip
115% of pickup current	Ultimately
150% of pickup current	2
250% of pickup current	1

Опубліковано для:Schneider Electric Україна