{}

Impact-Company-Logo-English Black-01-177x54
Share Price 
Impact-Company-Logo-English Black-01-177x54

Welcome to the Schneider Electric corporate Website

Search FAQs

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 currentShall not trip
115% of pickup currentUltimately
150% of pickup current2
250% of pickup current1

Schneider Electric Global

Explore more
Range:
Users group

Discuss this topic with experts

Visit our Community for first-hand insights from experts and peers on this topic and more.
Explore more
Range: