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| International Standard Category: Motors |
GB/T 21972.3-2013 Specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications―Part 3:YZP series variable-frequency adjustable-speed three-phase induction motors(cooled with centrifugal fan) for crane and meta
起重及冶金用变频调速三相异步电动机技术条件 第3部分：YZP系列起重及冶金用变频调速三相异步电动机（离心风机冷却） ;
| Category No.: | 29.160.30 | Valid Status: | superseded |
| Issued Organization: | AQSIQ; SAC | Issued Date: | 2013-12-17 |
| Implemented Date: | 2014-5-10 | Abolished Date: | |
| Superseded Standard.: | GB/T 21972.3-2023 Technical specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications—Part 3: YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications(cooled with centrifugal fan) (frame size：100～400) |
Superseded Date: | 2023-12-1 |
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