EN 60519-8:2005

FOREWORD
1 Scope and object
2 Normative references
3 Terms and definitions
4 Classification of electroheat equipment according to
   voltage bands
5 Classification of electroheat equipment according to
   frequency bands
6 General requirements
7 Isolation and switching
8 Connection to the supply network and internal connections
9 Protection against electric shock
10 Protection against overcurrent
11 Equipotential bonding
12 Control circuits and control functions
13 Protection against thermal influences
14 Risk of fire and danger of explosion
15 Marking, labelling and technical documentation
16 Information on inspection and commissioning, and
   instructions for utilization and maintenance of
   electroheat installations
Annex A (normative) Additional requirements for the safety
         of non-electrical components of furnace installations
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications

Applies to electroheat installations for remelting and, in some cases, for refining processes of metals through direct resistance heating of a conductive slag. To be used in conjunction with EN 60519-1. Test methods for electroslag remelting furnaces are specified in EN 60779.