17A/121A/121B Industrial Control Equipment
Mr. Daniel Nachtigall
Rockwell Automation
1201 S Second St
Milwaukee, WI 53204
Phone: (414) 382-1237
Email: dlnachtigall@ra.rockwell.com
Mr. Mike Leibowitz
1300 N. 17th Street
Suite 1752
Rosslyn VA 22209
Phone: (703) 841-3264
Email: Mike.Leibowitz@Nema.org
The scope of the Industrial Control Equipment THC shall consist of the scopes of the following IEC Technical Committees and
Subcommittees (less exclusions): IEC 17B – less switchgear, less circuit breakers, UL 98 type switchgear, disconnect devices;
IEC 17 D – less switchgear (including panel board). Work on general rules for switchgear and control gear should be coordinated as is done in IEC 60947-1.
Standard: Low-voltage switchgear and controlgear – Part 1: General rules
Standard No.: C22.2 No. 60947-1, UL 60947-1, NMX-J-515Standard: Low-Voltage Switchgear and Controlgear – Part 4-2: Contactors and Motor-Starters – AC Semiconductor Motor Controllers and Starters
Standard No.: CSA C22.2 No 60947-4-2; UL 60947-4-2; ANCE NMX-J-XXX-ANCE


Standard: High-voltage alternating current contactors
Standard No.: CAN/CSA C22.2 NO. 253; UL 60470; ANCE NMX-J-147-ANCE

Standard: Magnetic Controllers
Standard No.: C22.2 No. 60947-4-1, UL 60947-4-1, NMX-J-290-ANCE


60947-1 project tracker 10 2 2019

60947-4-1 project tracker 2019-10-04

60947-4-2 project tracker 2019-10-04

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