BS EN 60644:2009

1 Scope
2 Normative references
3 Fuse-link time-current characteristics
4 K factor
5 Withstand requirements
6 Withstand tests
7 Information to be given to the user
8 Selection of fuse-links for motor circuit applications
  and correlation of fuse-link characteristics with those
  of other components of the circuit
Bibliography
Annex ZA (normative) - Normative references to international
         publications with their corresponding European
         publications

Pertains to fuse-links used with motors started direct-on-line on alternating current systems of 50 Hz and 60 Hz.

This standard applies primarily to fuse-links used with motors started direct-on-line on alternating current systems of 50 Hz and 60 Hz.

NOTE When motors are used with assisted starting this specification can also be applied but particular attention should be paid to the selection of the rated current of the fuse-link (see 8.1) and the manufacturer of the fuse-link should preferably be consulted.

Fuse-links according to this specification are intended to withstand normal service conditions and motor starting pulses. They should comply with the requirements of IEC 60282-1.

The purpose of this standard is to standardize time-current characteristics, to formulate pulse withstand requirements regarding testing and to give guidance regarding the selection of fuse-links intended to be used with motors.