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Standard 347, Edition 7

Medium-Voltage AC Contactors, Controllers, and Control Centers

UL Standard
Standard 347, Edition 7 Edition Date: November 23, 2020 ANSI Approved: September 30, 2022 $716.00-$1,567.00

Revisions and Related Documents

Revisions
Red Line Std. (2)

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September 30, 2022 Redline Revision
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CSDS
Proposals (4)

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CSDS Proposals

An electronic document associated with a UL Standard for Safety or Outline of Investigation, and issued by UL to propose:

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  • A new Standard or Outline that has not previously been published.

CSDS Proposals provide access to view the proposal and submit comments within UL's Collaborative Standards Development System (CSDS) appropriately.

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July 15, 2022
February 11, 2022
June 09, 2021
April 09, 2021
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Other Updates (0)

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Referenced Standards (31)

Below is a list of UL Standards referenced in UL 347

StandardEditionTitle
50 13 Enclosures for Electrical Equipment, Non-Environmental Considerations
50E 3 Enclosures for Electrical Equipment, Environmental Considerations
67 13 Panelboards
94 6 Tests for Flammability of Plastic Materials for Parts in Devices and Appliances
98 14 Enclosed and Dead-Front Switches
218 3 Fire Pump Controllers
489 13 Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures
508 18 Industrial Control Equipment
514A 11 Metallic Outlet Boxes
514C 4 Nonmetallic Outlet Boxes, Flush-Device Boxes, and Covers
746B 5 Polymeric Materials - Long Term Property Evaluations
746C 7 Polymeric Materials - Use in Electrical Equipment Evaluations
758 3 Appliance Wiring Material
869A 4 Standard for Reference Standard for Service Equipment
943 5 Ground-Fault Circuit-Interrupters
1077 7 Supplementary Protectors for Use in Electrical Equipment
248-1 4 Low-Voltage Fuses - Part 1: General Requirements
248-4 2 Standard for Low-Voltage Fuses - Part 4: Class CC Fuses
248-5 2 Standard for Low-Voltage Fuses - Part 5: Class G Fuses
248-8 3 Low-Voltage Fuses - Part 8: Class J Fuses
248-10 3 Low-Voltage Fuses - Part 10: Class L Fuses
248-12 3 Low-Voltage Fuses - Part 12: Class R Fuses
5085-1 1 Low Voltage Transformers - Part 1: General Requirements
5085-2 2 Low Voltage Transformers - Part 2: General Purpose Transformers
5085-3 1 Low Voltage Transformers - Part 3: Class 2 and Class 3 Transformers
486A-486B 3 Wire Connectors
61010-1 3 Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use - Part 1: General Requirements
60947-7-1 4 Low-voltage switchgear and controlgear - Part 7-1: Ancillary equipment - Terminal blocks for copper conductors
60947-7-2 4 Low-Voltage Switchgear and Controlgear - Part 7-2: Ancillary Equipment - Protective Conductor Terminal Blocks for Copper Conductors
60947-7-3 3 Low-Voltage Switchgear and Controlgear - Part 7-3: Ancillary Equipment - Safety Requirements for Fuse Terminal Blocks
60947-7-4 1 Low-Voltage Switchgear and Controlgear - Part 7-4: Ancillary equipment - PCB terminal blocks for copper conductors
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Reverse Referenced Standards (9)

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