UL 508C

UL 508C

Click here to purchase
Please note: All interim revisions for this edition available at time of your purchase will be included.

1 Scope
1.1 These requirements cover open or enclosed equipment that supplies power to control a motor or motors operating at a frequency or voltage different than that of the input supply. These requirements also cover power-supply modules, input/output modules, Silicon Controlled Rectifier (SCR) or Transistor output modules, dynamic braking units, and input/output accessory kits for use with power conversion equipment.
1.2 This equipment is for use in ordinary locations in accordance with Articles 430 and 440 of the National Electrical Code, NFPA 70.
1.3 These requirements cover devices rated 1500 volts or less.
1.4 Equipment intended for use in hazardous locations as defined by the National Electrical Code, NFPA 70, shall be evaluated to the Standard for Explosion-Proof and Dust-Ignition-Proof Electrical Equipment for Use in Hazardous (Classified) Locations, UL 1203.

Product Details

Edition:
4
Published:
05/16/2016

You may also like

UL 749

UL 749

Household Dishwashersstandard by Underwriters Laboratories, 05/25/2023

UL 8400

UL 8400

Virtual Reality, Augmented Reality and Mixed Reality Technology Equipmentstandard by Underwriters Laboratories, 04/28/2023

UL 60335-2-40

UL 60335-2-40

Household And Similar Electrical Appliances - Safety - Part 2-40: Particular Requirements for Electrical Heat Pumps, Air-Conditioners and Dehumidifiersstandard by...

UL 61730-2

UL 61730-2

Photovoltaic (PV) Module Safety Qualification - Part 2: Requirements for Testingstandard by Underwriters Laboratories, 10/28/2022

Back to Top