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UL 1740

3rd Edition, January 7, 2015

Complete Document

UL Standard for Safety Robots and Robotic Equipment

Includes all amendments and changes through Revision Page(s) , January 7, 2015


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Product Details:

  • Revision: 3rd Edition, January 7, 2015
  • Published Date: January 7, 2015
  • Status: Active, Most Current
  • Document Language: English
  • Published By: UL (UL)
  • Page Count: 118
  • ANSI Approved: Yes
  • DoD Adopted: No

Description / Abstract:

These requirements cover robots and robotic equipment rated 600 V or less and intended for installation in accordance with the National Electrical Code, ANSI/NFPA 70. Since end-use installation of a robot and robotic equipment may vary for each user application, guidelines for end-product installation may be evaluated to the applicable sections of the Robotic Industries Association (RIA) Standard for Industrial Robots and Robot Systems – Safety Requirements, ANSI/RIA R15.06.

These requirements cover robotic equipment and systems intended for indoor and outdoor use in applications such as parts assembly, parts transfer, automated material handling, inspection, loading, diecasting, deburring, welding, paint spraying, clinical/diagnostic systems, pharmaceutical applications, commercial food processing, automated vehicle refueling systems, library book handling/sorting, clean room applications, medical use for surgery, mobile robots, automated guided vehicles, automated storage/retrieval systems, and the like.

Robots and robotic equipment that contain unique features or functions associated with the application or end-product equipment, and not specifically addressed in this Standard, shall also be evaluated to the requirements of the other applicable Standards.

In addition to the requirements in this Standard, robots and robotic systems shall also comply with the applicable sections of the Electrical Standard for Industrial Machinery, ANSI/NFPA 79.

Robots and robotic systems intended for use in hazardous locations, as defined by the National Electrical Code, ANSI/NFPA 70, shall also comply with the applicable safety requirements based on the specific end-use application, including those contained in the following standards:

a) Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II, and III, Division 1, Hazardous (Classified) Locations, UL 913;

b) Deleted

c) Explosion-Proof and Dust-Ignition-Proof Electrical Equipment for Use in Hazardous (Classified) Locations, UL 1203;

d) Nonincendive Electrical Equipment for Use in Class I and II, Division 2 and Class III, Divisions 1 and 2 Hazardous (Classified) Locations, ISA 12.12.01;

e) Electric Motors and Generators for Use in Hazardous (Classified) Locations, UL 674; and

f) Purged and Pressurized Enclosures for Electrical Equipment, NFPA 496.

In the following text, a requirement that applies to one type of equipment, such as a controller or teach pendant, will be identified by a specific reference. In the absence of a specific reference or if the term robot or robotic equipment is employed, it is to be understood that the requirement applies to all types of equipment covered by this Standard.