| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/Z 40680-2021 | English | 584 |
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Days<=4
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General requirements for residual current operated protective devices for D. C. system
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GB/Z 40680-2021
| Valid |
GB/Z 40680-2021
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