SMC-3 Low Voltage Soft Starters

Our SMC™-3 Soft Starters are available with a current range from 3...480 A. They feature compact, true three-phase control in a cost-effective package. They include overload protection, integral bypass, and motor and system diagnostics.

Popular Resources/Quicklinks
Smart Motor Controllers Soft Starters Family Brochure Controlling High Efficiency Motors Brochure Enclosed Smart Motor Controllers Product Profile


  • Provides 3…480 A range
  • Uses rated voltage: 200…690V AC, 50/60 Hz
  • Includes five start and stop modes
  • Provides built-in electronic motor overload protection
  • Includes hold-to-test/push-to-reset button
  • Offers easy and secure setup using DIP switches
  • Provides built-in silicon-controlled rectifier (SCR) bypass/run contactor
  • Programming via Connected Components Workbench™ software
  • This product is designed for many applications that include compressors, chillers, pumps, conveyors, and crushers
Additional Information

Do you need a soft starter or an AC drive? What does your application require? When choosing between a soft starter and an AC drive what do you need to consider? Read the following blogs to learn more:

Product Selection

  • cULus Listed (Open Type) (File No. E96956, Guides NMFT, NMFT7)
  • CSA Certified (File No. LR 1234)
  • CE Marked (Open Type) per EMC and Low Voltage Directive
  • CCC Certified
  • Suitable for use with IE3 Motors (IEC 60034-30)
Standards Compliance
  • CSA C22.2 No.14
  • EN/IEC 60947-1
  • EN/IEC 60947-4-2
  • UL 508
Looking for Additional Information?

To find additional product information including CAD drawing files, 3D models and more use our Product Catalog.


Resource Publication Number Language
Smart Motor Controllers Soft Starters Family Brochure 150-BR144
Controlling High Efficiency Motors Brochure IE3-BR001
Enclosed Smart Motor Controllers Product Profile 150-PP007
Global Short Circuit Current Ratings Product Profile SCCR-PP003
SMC-3, SMC Flex, and SMC-50 Smart Motor Controllers Technical Data 150-TD009
When to Use a Soft Starter or AC Variable Frequency Drive White Paper 150-WP007
DeviceLogix Technology for Industrial Applications 193-AT001
SMC-3 Reduced Voltage Solid-State Smart Motor Controllers Procurement Specifications 150-SR001
Literature LibraryLiterature Library
Literature Library

Browse Literature Library where you can search for additional technical and commercial publications in more languages.


Search Literature Library

KnowledgebaseKnowledgebase Support Center

Visit our online resource for technical information, support chat and forums, software updates and product safety advisories/notices.


Get Support


  • Firmware — Obtain firmware for your SMC Soft Starters from the Product Compatibility & Download Center.
  • Procurement Specifications — Visit our online resource to find the procurement specifications for this product.
  • SMC Estimation Wizard — Obtain a more advanced analysis of both the device and the system.
  • SMC Thermal Wizard — Conduct simple thermal analysis and selection of an SMC product for a given application.