Safety of power transformers power supply units and similar devices—Part 9:Particular requirements for bell and chime transformers GB 19212.9-2007 - Chinese Category:GB 19212.9-2007

English Title:	Safety of power transformers power supply units and similar devices—Part 9:Particular requirements for bell and chime transformers
Chinese Title:	电力变压器、电源装置和类似产品的安全第9部分：电铃和电钟变压器的特殊要求
Standard No.:	GB 19212.9-2007
Category No.:	K41
Issued by:	AQSIQ; SAC
Issued on:	2007-4-30
Implemented on:	2008-4-1
Status:	superseded
Superseded by:	GB 13028-1991 Isolating transformers and safety isolating transformers-Requirements GB/T 19212.9-2016 Safety of transformers,reactors,power supply units and combinations thereof―Part 9:Particular requirements and tests for transformers and power supply units for bells and chimes
Superseded on:	2017-3-1
Abolished on:	2017-03-01
Superseding:	GB 13028-1991 Isolating transformers and safety isolating transformers-Requirements
Word Count:	4000 words
Similar Standards:	Q/GDW 149-2006 GB 6451.5-1986 JB/T 8639-1997 JB/T 5356-1991 Q/GDW 170-2008 GB/Z 20840.100-2023 NB/T 11306-2023 GB/T 6451-2023 GB/T 19212.1-2023 GB/T 10228-2023 GB/T 18494.3-2023 GB/T 1094.101-2023 GB/T 1094.10-2022 GB/T 20840.15-2022 GB/T 20840.14-2022 GB/T 1094.11-2022 GB/T 18494.2-2022 GB/T 1094.14-2022 GB/T 21419-2021 GB/T 41135.1-2021

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