Applicable to stationary or portable, single-phase or polyphase,
air-cooled separating transformers, autotransformers, variable
transformers and small reactors, associated or not, having a rated
supply voltage not exceeding 1 000 V a.c., a rated no-load or load
output voltage not exceeding 15 kV a.c. or d.c. and a rated output
not exceeding:

- single-phase transformers: 1 kVA

- single-phase reactors: 2 kVAR

- polyphase transformers: 5 kVA

- polyphase reactors: 10 kVAR.


Has the status of a group safety publication.