Siemens SINAMICS G130 Operating Instructions Manual page 19

Table 3- 2
Category C1
Category C2
Category C3
Category C4
Cabinet design and EMC
Operating Instructions, 03/2013, A5E00427629A
Definition of categories C1 to C4
Definition of categories C1 to C4
Rated voltage <1000 V; unrestricted use in the first environment.
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.
Rated voltage <1000 V; use in the second environment only.
Rated voltage ≥1000 V or for rated currents ≥ 400 A in complex systems in
the second environment.
Basic information about EMC
3.1 Introduction to EMC
17