Most recent

UL 60947-4-2:2026 (2026)

Low-Voltage Switchgear and Controlgear - Part 4-2: Contactors and Motor-Starters - AC Semiconductor Motor Controllers and Starters - Published Date: May 29, 2026

This revision of ANSI/UL 60947-4-2 dated May 29, 2026 includes the following changes in requirements: – Revision to Standard Fault Short Circuit Test Currents; 9.3.4.3.9.3.4.3DV.3.1. – Revision to Short Circuit Rating Marking; 6.2.6.2DV.2.2. – Allowance to Provide User or Installation Manual Information Via the Internet; 6.2.6.2DV.1.1, Table 6.2DV.1, 6.2.6.2DV.1.2, 6.2.6.2DV.1.3, Figure 6.2DV.1, Figure 6.2DV.2, and Figure 6.2DV.3. – Correction to Annex DVC References to Calibration Test; Table DVC.4.2. – Overload, Endurance and Breakdown of Components Tests; 8.2.4.1.8.2.4.1DV, 8.2.4.2.8.2.4.2DV, 9.3.1.9.3.1DV, and 9.3.3.6.9.3.3.6DV. UL 60947-4-2 is an adoption of IEC 60947-4-2, Edition 3.0, issued May 2011 and corrigendum 1, issued July, 2012. Please note that the National Difference document incorporates all of the U.S. national differences for UL 60947-4-2.

CONTENT PROVIDER
Underwriters Laboratories [ul]

Included in Packages
This standard is not included in any packages.
Document History
Amendments & Corrections
We have no amendments or corrections for this standard.