When regulating current, the instantaneous tripping current must larger than the short time delay current must larger than the long time delay tripping current.
调节整定电流时，瞬时脱扣电流应大于短延时脱扣电流，短延时脱扣电流应大于长延时脱扣电流。
When regulating current, the instantaneous tripping current must larger than the short time delay current must larger than the long time delay tripping current.
调节整定电流时，瞬时脱扣电流应大于短延时脱扣电流，短延时脱扣电流应大于长延时脱扣电流。
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