EN 61558-2-12:2001
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Safety of power transformers, power supply units and similar devices - Part 2-12: Particular requirements for constant voltage transformers
01-09-2004
12-10-2001
This part 2 of EN 61558 is intended to be used in conjunction with EN 61558-1. This international standard deals with all aspects of safety such as electrical, thermal and mechanical. This part of EN 61558 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 1 000 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. It has the status of a group safety publication in accordance with IEC Guide 104
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