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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 |
Released for:Schneider Electric Vietnam
