
Specification for separating transformers, autotransformers, variable transformers and reactors
出版:British Standards Institution

專家解讀視頻
Single-phase or polyphase air-cooled separating transformers, auto-transformers, variable transformers and small reactors having a supply voltage not exceeding 1000 V a.c. and rated frequency not exceeding 500 Hz.
? British Standards Institution 2013
IEC 60989 Ed. 1.0 - Identical