SmartFan® Stratus II – Variable Frequency Drive / VFD
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Operation / Installation PDF |
SmartFan Stratus II VFD (variable frequency drive) is designed to control single or three-phase fractional HP, inverter grade motors via a transducer (voltage or current signal), building automation system (voltage, current signal, Modbus), thermistor, potentiometer, contact closure or Modbus RTU network. This VFD can be customized in minutes using the menu-driven SmartFan Navigator handheld remote programmer or through the Modbus communications port.
Economical OEM pricing as low as $126 for 50 pieces – under $100 in higher volumes.
For an explanation of the Stratus II variable frequency drive motor requirements and risks, please see: AC Motor Compatibility
For a technical article on how the Stratus II AC variable frequency drive compares to other control technologies, see: Controller Comparison & Motor Efficiency
Stratus II VFD Dimensions
For CAD drawings, use the links in Additional Information below.
Stratus II VFD Part Numbers
Part No. | Description |
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VFD400E-F | Stock Product, includes metal safety enclosure |
VFD400-F | No enclosure |
VFD401E-F | MODBUS, Contact Closure and Fixed speed inputs only, includes metal safety enclosure (10 piece minimum order) |
VFD401-F | MODBUS, Contact Closure and Fixed speed inputs only, no enclosure (10 piece minimum order) |
PRG02-F* | Stratus II Navigator remote hand-held programmer (for purchase or rent) |
VFD4KIT-F | Evaluation kit includes: (1) Stratus II VFD400E-F, (1) Navigator remote programmer PRG02-F, power and motor connection hardware |
*Can be used to program Stratus II VFD Rev 4 and higher
Modbus Support Links
» Modbus communications support:
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» Modbus master program:
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» RS232 or USB to RS485 converters
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» USB Driver:
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Additional Information
» Stratus II Datasheet
» Stratus II STEP CAD drawing (.step)
NOTE: If the CAD file opens as a new browser window with text, right click the link, select “Save Link As”, and select a local folder to save the file.
» SmartFan Price List (PDF)
» Click here for Questions or Comments
To talk to an Engineer or Service Representative, call (978) 486-4160 (9:00 AM – 5:00 PM EST) or Contact Us