1.1 Scope

This Part applies to test limiters calibrated to specific limits of peak let-through current and clearing I²t at 250, 300, 480, or 600 V ac.

Summary of Topics

This revision of ANSI/UL 248-16, Standard for Safety for Low-Voltage Fuses — Part 16: Test Limiters, is being issued to reaffirm approval as an American National Standard. No changes in requirements are involved.

As noted in the Commitment for Amendments statement located on the back side of the title page, UL, CSA, and ANCE are committed to updating this tri-national standard jointly. However, the new edition dated April 4, 2018 will not be jointly issued by UL, CSA, and ANCE as this new edition addresses only UL ANSI approval dates.