Our enclosed SMC-3, SMC Flex, and SMC-50 soft starters are available as non-combination, combination fused disconnect, or combination circuit breaker starters. Enclosed soft starters may be fully customized with a wide variety of factory-installed options and are pre-engineered for quick factory lead times.
- Product Selection
- Overview
- Documentation
Overview

Overview
Product Comparison
Features |
SMC-50 |
SMC Flex |
SMC-3 |
True 3-phase control | ✓ | ✓ | ✓ |
Bypass | External or internal | Internal | Internal |
Protection and Diagnostics | Industry leading | Advanced | Basic |
Start/stop modes | 17 | 9 | 5 |
Enclosure Type | 1/12/4 or 3R | 1/12/4 or 3R | 1/12/4 or 3R |
Factory-installed communication modules (optional) | RS-485, DeviceNet™, Ethernet/IP, ControlNet™, ProfiBUS | RS-485, DeviceNet™, Ethernet/IP, ControlNet™, ProfiBUS | None |
Voltage range | 200...575V AC | 200...575V AC | 200...575V AC |
Control voltage | 100...240V AC | 100...240V AC | 100...240V AC |
Option offering and customization | Extensive | Extensive | Moderate |
Customization through modified standards | ✓ | ✓ | ✓ |
Programming via Connected Components Workbench™ software | ✓ | ✓ | ✓ |
Tools & Resources
- 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.
Certifications
-
cULus Listed (Open Type) (File No. E96956, Guides NMFT, NMFT7)
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CSA Certified (File No. LR 1234)
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CE Marked (Open Type) per EMC and Low Voltage Directive
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CCC Certified
Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details.
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Documentation
Technical Specifications | Publication |
---|---|
Enclosed Starters with Snap-together Wiring Selection Guide | CMPNTS-SG001_-EN-P |
SMC-3, SMC Flex, and SMC-50 Smart Motor Controllers Technical Data | 150-TD009_-EN-P |
Enclosed SMC-3, SMC Flex, and SMC-50 Smart Motor Controllers Technical Data | 150-TD010_-EN-P |
Product Profiles | Publication |
---|---|
Bulletin 150, 152, and 153 Enclosed Smart Motor Controllers Product Profile | 150-PP007_-EN-P |
Miscellaneous | Publication |
---|---|
Western Regional Configuration Center Flyer | CMPNTS-QR003_-EN-P |
Central Regional Configuration Center Flyer | CMPNTS-QR004_-EN-P |