Selection and ordering data

The table below lists recommended ratings for input-end switching and fuse protection elements for compliance with IEC standards.

Notes for use in compliance with IEC standards:

3NA3 or 3NE1 fuses are recommended for European countries.

Notes for use in compliance with UL regulations:

UL-approved fuses must be used in North America.

• Examples of fuses:
  • Class J and class L fuses, supplied by Cooper Bussmann

Additional information about the listed fuses can be found in Catalogs LV 10, IC 10 and IC 10 AO.

¹⁾ Rated power based on the rated output current I_rated.

²⁾ Suitable for 3KL switch disconnector.

³⁾ Recommendation: Class J or class L fuse supplied by Cooper Bussmann.

Note:

Important! Note the minimum short-circuit current required to trip the protection devices. If the minimum short-circuit current is not reached, the activation time of the fuses is increased, which can lead to damage.