ANSI/UL 60947-4-1A-2011
Standard for Safety for Low-Voltage Switchgear and Controlgear - Part 4-1: Contactors and Motor-Starters - Electromechanical Contactors and Motor-Starters

Standard No.

ANSI/UL 60947-4-1A-2011

Release Date

2011

Published By

American National Standards Institute （ANSI)

Latest

ANSI/UL 60947-4-1A-2011

Scope

Covers: Harmonization of IEC utilization categories with the UL ratings for control of external loads.

ANSI/UL 60947-4-1A-2011 history

• 2011 ANSI/UL 60947-4-1A-2011 Standard for Safety for Low-Voltage Switchgear and Controlgear - Part 4-1: Contactors and Motor-Starters - Electromechanical Contactors and Motor-Starters