| THSC 121/SC 121A, Low-Voltage Switchgear and Controlgear | |
|---|---|
| CHAIR Mr. Dan Nachtigall Rockwell Automation 1201 South Second St. Milwaukee, WI 53204 USA Ph: (414) 382-1237 Fax: (414) 382-4140 Email: dlnachtigall@ra.rockwell.com | SECRETARY Mr. Mike Leibowitz NEMA 1300 N. 17th Street, Suite 900 Rosslyn VA 22209 USA Ph: (703) 841-3264 Fax: (703)841-3364 Email: mike.leibowitz@nema.org |
| SCOPE To develop trinational standard for general use requirements for industrial control equipment and maintain standards through active participation in revision process. | STANDARDS Standard: Low-voltage switchgear and controlgear – Part 1: General rules Standard No.: C22.2 No. 60947-1, UL 60947-1, NMX-J-515-ANCE Standard: Low-Voltage Switchgear and Controlgear – Part 4-1: Contactors and Motor-Starters – Electromechanical Contactors and Motor-Starters Standard: Low-Voltage Switchgear and Controlgear – Part 4-2: Contactors and Motor-Starters – AC Semiconductor Motor Controllers and Starters |
| PROJECTS 79. General Rules XX. Electromechanical Contactors and Motor-Starters 120. AC Semiconductor Motor Controllers and Starters | |
| Publication Schedules | |
