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Allen-Bradley Hardware Product

SMC-50 Soft Starters

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Our SMC™-50 soft starters are available with a current range from 108…480 A. Our SMC-50 fully solid-state soft starters are available from 90...520 A. Advanced monitoring and protection functions, superior communication capability, and energy saver mode all help this soft starter increase efficiency and reduce downtime.

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SMC-50 Solid-State
  • Overview
  • Product Selection
  • Tools & Resources
  • Documentation
  • Applications
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Overview

  • Provides 90…520 A range with solid-state power structure
  • Provides 108...480 A range with internal bypass power structure
  • Uses rated voltage: 200…690V AC, 50/60 Hz
  • Includes 17 start and stop modes
  • Includes four special operating modes
  • Includes three hardware expansion ports
  • Provides built-in electronic motor overload protection
  • Offers optional communication modules that support multiple networks
  • Offers optional Parameter Configuration Module, Human Interface Module, or PC-based software for programming and monitoring
  • Programming via Connected Components Workbench™ software
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:

  • Why Choose a Soft Starter Instead of an AC Variable Frequency Drive?
  • Why Are Drives Easier to Apply Than Soft Starters?
  • What Does The Motor Speed Torque Curve Tell You?
  • To Bypass or Not To Bypass? Is that the Question?
  • Inside the Delta vs. Wye-Delta
  • Cruise Control for Your Motor
Unique Starting and Stopping Profiles of the SMC-50 Soft Starter
Overview
Unique Starting and Stopping Profiles of the SMC-50 Soft Starter

You can learn more about how the SMC-50 Soft Starter's unique starting and stopping profiles can meet your application needs in this virtual demonstration. You can examine the construction and features of this soft starter in three frame sizes and in three dimensions. You will be able to peel back the product casing to see what is inside.

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Product Selection

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Tools & Resources

  • Firmware Downloads for SMC Soft Starters— 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.

Documentation

Resource Publication Number Language
Smart Motor Controllers Soft Starters Family Brochure 150-BR144
English
Enclosed Smart Motor Controllers Product Profile 150-PP007
English
Controlling High Efficiency Motors Brochure IE3-BR001
English
Global Short Circuit Current Ratings Product Profile SCCR-PP003
When to use a Soft Starter or an AC Variable Frequency Drive 150-SP007
 
Looking for Technical Documentation?

Visit the Technical Documentation Center to find product specifications, installation guides, user manuals, product certifications and more.

View SMC-50 Soft Starters Technical Publications and Certifications
Certifications
ABS CertificationAmerican Bureau of Shipping Certification
CCC MarkChina Compulsory Certificate
UL Listed Component Mark Canadian and United States RequirementsUL Listed Component Mark Canadian and United States Requirements
EAC CertificationEAC Certification
IE3IE3
KC CertificationKC Certification
RCM CertificationRCM Certification
  • SMC-50 Solid-state
    • cULus Listed (Open Type) (File No. E96956)
    • CE Marked per EMC Directive and Low Voltage Directive
    • CCC
    • RCM
    • EAC
    • KCC
    • ABS
    • Suitable for use with IE3 Motors (IEC 60034-30)
  • SMC-50 Internal Bypass
    • cULus Listed (Open Type) (File No. E96956)
    • CE Marked per EMC Directive and Low Voltage Directive
    • CCC
    • RCM
    • EAC
    • KCC
    • ABS
    • Suitable for use with IE3 Motors (IEC 60034-30)
Standards Compliance
  • UL 508
  • EN 60947-4-2

Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details. 


Applications

Watch the following videos to see how our SMC-50™ soft starters are used in the following applications.

Water Pump

The SMC-50 soft starters use new soft start technology to provide torque and speed control for starting centrifugal pumps and high-inertia loads. Through proprietary sensorless speed sensing and motor control algorithms, the SMC-50 soft starter can deliver even smoother pump starts and stops than was possible with previous pump-control methods.

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Compression Tank

The SMC-50 soft starters use linear start technology which is ideal for both high and low pressure applications such as those found in compression tanks. This soft starter also has an energy saver mode which optimizes energy usage when running lightly loaded motors.

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