System overview
SIRIUS System Manual
GWA 4NEB 430 0999-02b
1-3
1.1 Specifications/regulations/approvals
Explosion protection
Motor protection devices that protect a motor from overload in a hazardous
area must meet certain requirements. These requirements are defined in
the following standards:
DIN VDE 0660, DIN VDE 0165, EN 60947-1:1991..+A11:1994, EN 60947-4-1,
EN 50014:1994, EN 50019:1978+A1 to A5
Compliance with these standards has up until now been established by
means of a test. Compliance could be documented in two ways:
1. By a test certificate from the manufacturer
2. By a test certificate from an independent test laboratory (e.g. PTB, DMT,
KEMA, etc.).
EU directive
Testing of explosion protection has been defined more precisely as a result
of the harmonization of the European Union. In addition to the above stan-
dards, tests will also carried out in acc. with the EU directive 94/9/EC or
ATEX 100a.
Two procedures are in operation during the transition period up until 2003:
Procedure 1
Test certificate from an independent test laboratory as usual (e.g. PTB, DMT,
KEMA, etc.).
Procedure 2
Special test certificate from certified test laboratories (in acc. with extended
European rules). The statutory basis for this is the Official Journal of the
European Union (no. 95/C2 15/02 of 19.08.1995).
Siemens SIRIUS switching devices are tested and certified twice:
Certificate 1
Test certificate from KEMA in the same way as before (valid until 2003) in
acc. with:
• DIN VDE 0660, DIN VDE 0165
• EN 60947-1:1991/A11
• EN 60947-4-1:1992, EN 50019:1978+A1 to A5
Certificate 2
Special test certificate from the DMT-BVS in acc. with:
• DIN VDE 0660, DIN VDE 0165
• EN 60947-1:1991..+A11:1994, EN 60947-4-1
• EN 50014:1994, EN 50019:1978 + A1 to A5
• EU directive 94/9/EC (ATEX 100a - EU directive)
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