I.S. EN 61558-2-12:2001被替代
Safety Of Power Transformers, Power Supply Units And Similar Devices - Part 2-12: Particular Requirements For Constant Voltage Transformers
出版：National Standards Authority of Ireland
专家解读视频
Relates with all aspects of safety such as electrical, thermal and mechanical. Applies to stationary or portable, single-phase or polyphase, air-cooled (natural or forced), associated or independent: - constant voltage auto-transformers; - constant voltage separating transformers; - constant voltage isolating transformers; - constant voltage safety isolating transformers; having a rated supply voltage not exceeding 1000 V a.c., a rated frequency not exceeding 500 Hz, an internal operational frequency not exceeding 30 kHz and no limitation of the rated output.
UNE EN 61558-2-12:2002 - Identical
IEC 61558-2-12 Ed. 1.0 - Identical
NF EN 61558-2-12:2002 - Identical
DIN EN 61558-2-12 (2002-05) - Identical
BS EN 61558-2-12:2001 - Identical
SN EN 61558-2-12:2001 - Identical
SS EN 61558-2-12 Ed. 1 (2001) - Identical
