CEI EN 60519-21 : 2009
Current
The latest, up-to-date edition.
SAFETY IN ELECTROHEAT INSTALLATIONS - PART 21: PARTICULAR REQUIREMENTS FOR RESISTANCE HEATING EQUIPMENT - HEATING AND MELTING GLASS EQUIPMENT
Hardcopy , PDF
English - Italian
01-01-2009
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
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