VFD selection and RFQ
Choose the right VFD series for your application, then send parameters for a fast quotation
Harristian supplies VFDs for distributors, OEM equipment manufacturers, automation integrators, control cabinet builders and industrial project teams. Share the motor, voltage, load type and quantity so we can recommend the right series and cooperation model.
Harristian VFD series overview
HRSTI 720 Series high-performance general-purpose VFDs
- For performance-oriented industrial applications
- Suitable for distributors and OEMs needing stronger feature coverage
- RS485 communication and braking unit support
- Recommended when project stability and function margin matter more than lowest price
HRSTI 321 Series upgraded general-purpose VFDs
- Upgraded from the 320 Series for broader project coverage
- Price-competitive option for channel sales and repeat project demand
- RS485 communication and braking unit support
- Good fit when customers need function upgrades without moving to the highest series
HRSTI 320 Series cost-effective general-purpose VFDs
- Price-oriented VFD option for standard applications
- Useful for cost-sensitive distributors and project tenders
- Clear positioning for markets where price advantage is critical
- Best discussed with motor power, voltage and target quantity
HRSTI 293 Series 1PH 220V input to 3PH 380V output VFDs
- Special application VFD for single-phase 220V input and three-phase 380V output
- Useful where three-phase power is unavailable but three-phase motors are required
- RS485 communication support
- Send application details for technical confirmation before quotation
Harristian academic center
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How to Choose Between a Soft Starter and a Vari...
Both Variable Frequency Drives (VFDs) and soft starters can achieve energy savings, control, and equipment protection by adjusting motor operation. This article compares the working principles, functional characteristics, application requirements,...
How to Choose Between a Soft Starter and a Vari...
Both Variable Frequency Drives (VFDs) and soft starters can achieve energy savings, control, and equipment protection by adjusting motor operation. This article compares the working principles, functional characteristics, application requirements,...
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Principles of Variable Frequency Drives (VFDs)
Variable Frequency Drives (VFDs) are essential components in modern industrial applications due to their efficiency and precise control capabilities. This paper explores the fundamental principles of VFD operation, providing a...
Principles of Variable Frequency Drives (VFDs)
Variable Frequency Drives (VFDs) are essential components in modern industrial applications due to their efficiency and precise control capabilities. This paper explores the fundamental principles of VFD operation, providing a...
