Velocity Edge GX440 Instrucciones de operaciones Pagina 51

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Electrical installation
4.4 Introduction to EMC
Drive converter cabinet units
Operating Instructions, 10/2008, A5E00288214A
51
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Figure 4-2 Definition of categories C1 to C4
Table 4- 1 Definition of the first and second environments
Definition of the first and second environments
First environment Residential buildings or locations at which the drive system is connected to
a public low-voltage supply network without a transformer.
Second environment Industrial locations supplied by a medium-voltage network via a separate
transformer.
Table 4- 2 Definition of categories C1 to C4
Definition of categories C1 to C4
Category C1 Rated voltage <1000 V; unrestricted use in the first environment.
Category C2 Rated voltage for stationary drive systems <1000 V; for use in the second
environment. For use in the first environment only when sold and installed
by skilled personnel.
Category C3 Rated voltage <1000 V; use in the second environment only.
Category C4 Rated voltage ≥1000 V or for rated currents ≥ 400 A in complex systems in
the second environment.
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