Browse & Buy UL Standards
Standard 60947-1, Edition 5

Low-Voltage Switchgear and Controlgear - Part 1: General rules

UL Bulletin
Standard 60947-1, Edition 5 Edition Date: June 15, 2015 $517.00-$646.00
Summary of Topics m6944_1_20150615_sum.html

Subject 6944 (508, 60947-1, 60947-4-1, 60947-4-2)

Bulletin Dated: June 15, 2015

SUMMARY OF TOPICS

The following topics were discussed at the meeting of the Standards Technical Panel for Contactors and Motor-Starters:

1. Update on the Standard for Industrial Control Equipment, UL 508

2. Update on the Standard for Low-Voltage Switchgear and Controlgear - Part 1: General Rules, UL 60947-1

3. Update on the Standard for Low-Voltage Switchgear and Controlgear - Part 4-1: Contactors and Motor-Starters - Electromechanical Contactors and Motor-Starters, UL 60947-4-1

4. Update on the Standard for Low-Voltage Switchgear and Controlgear - Part 4-2: Contactors and Motor-Starters - AC Semiconductor Motor Controllers and Starters, UL 60947-4-2

5. Clarification of the insulating material requirement in 15.1 of UL 508

6. Revision to the ground fuse requirements in UL 508

7. Update from the Semi-Conductor Fuse Task Group

8. Update from the Short Circuit Testing of Non-Motor Rated Power Devices Under UL 508 Task Group

9. Revisions to terminal spacing requirements in UL 60947-1

10. Revision to secondary circuit requirements in UL 508 and UL 60947-1

11. Discussion of circuit calibration requirements

12. Corrections and revisions to UL 60947-4-1

13. Update on CSA Group standards

Back to Standard 60947-1, Edition 5

The cost to purchase this Standard varies depending on whether you are ordering a hardcopy, PDF or combination of the two. We also offer two different types of subscriptions: a one year and a three year.

You will be able to choose your purchase options on the following pages.

×
×
×
×
×

You have one or more subscriptions that will expire soon.

×

You have one or more licenses to assign

×