0.75 kW Variable Frequency Drives — Compact Motor Control Solutions
A 0.75 kW variable frequency drive (VFD) is one of the most widely used power ratings in industrial automation. Frequency converters in this class provide soft starting and precise speed control for small asynchronous motors. The Chastotnik.ua catalog features over 150 models from 20+ global manufacturers: Siemens, ABB, Schneider Electric, Danfoss, Mitsubishi Electric, Delta Electronics, INVT, Veichi, and more.
Applications for 0.75 kW VFDs
Variable frequency drives rated at 0.75 kW (1 HP) are used wherever small electric motors require controlled speed and torque. Key applications include:
- Pumps and pump stations — circulation pumps for heating systems, small borehole pumps, make-up water units. A VFD maintains constant pressure and reduces energy consumption by up to 30%.
- Fans and exhaust systems — HVAC ventilation in production facilities, drying chambers, and laboratories. Speed control reduces noise and extends bearing life.
- Conveyors and belt systems — belt conveyors for packaging lines, food processing, and pharmaceuticals. Soft starting prevents product damage and mechanical wear.
- Small compressors — piston and screw compressors for dental offices and small pneumatic systems. A VFD maintains precise receiver pressure.
- Woodworking machinery — drilling, milling, and grinding machines for carpentry workshops. Variable spindle speed expands machining capabilities.
- Mixers and agitators — industrial mixing of solutions, paints, and food blends. Precise speed control is critical for end-product quality.
How to Choose a 0.75 kW Variable Frequency Drive
Selecting the right VFD depends on several key parameters that determine compatibility with your equipment and power supply:
Supply Voltage: Single-Phase 220V vs Three-Phase 380V
For workshops and facilities without a three-phase supply, choose single-phase models (1x220V) — for example, Delta VFD007EL21A or Schneider ATV12H075M2. For industrial sites with 380V three-phase power — the corresponding three-phase versions. Note: a single-phase VFD always outputs three-phase voltage to the motor.
Ingress Protection Rating (IP)
For panel mounting, IP20 is sufficient. For installation in damp or dusty environments (pump stations, woodworking shops), choose IP55 or IP65. Some series, such as Delta VFD-EL-W or Danfoss iC2, offer models with enhanced protection ratings.
Control Mode: Scalar vs Vector
Scalar control (V/f) is the simpler and more affordable option for pumps and fans where high precision is not required. Vector control provides accurate torque and speed regulation needed for machine tools, conveyors, and compressors. Models like INVT GD20, Siemens SINAMICS V20, and Veichi AC70 support both modes.
Communication Protocols
For integration with automation systems (PLC, SCADA), verify the availability of interfaces: Modbus RTU/TCP, Profinet, CANopen, EtherCAT. Basic models include analog inputs (0-10V) and relay outputs, while advanced series (ABB ACS580, Schneider Altivar 320, Siemens G120) support industrial fieldbus protocols.
Popular 0.75 kW VFD Models
Based on customer demand and technical specifications, these are the most frequently selected models:
| Model | Brand | Supply | Control Type | Features |
|---|---|---|---|---|
| GD10-0R7G-S2-B | INVT | 1x220V | Vector | Compact body, built-in EMC filter, best price from UAH 5,439 |
| AC10-T/S2-R75G-B-VC | Veichi | 1x220V | Vector | Mini form factor, PID controller, Modbus RTU protocol |
| ATV12H075M2 | Schneider Electric | 1x220V | Scalar | Altivar 12 — Schneider's most compact VFD, ideal for HVAC |
| VFD007EL21A | Delta Electronics | 1x220V | Scalar/Vector | VFD-EL series — reliable and affordable, wide service network |
| 6SL3210-5BB17-5UV1 | Siemens | 1x220V | Scalar/Vector | SINAMICS V20 — best price-performance ratio from Siemens |
| ACS150-01E-04A7-2 | ABB | 1x220V | Scalar | ACS150 — easy setup, overload protection |
The full catalog with brand, voltage, and price filters is available on the 0.75 kW variable frequency drives page. Prices for 0.75 kW VFDs start from UAH 5,119 and go up to UAH 60,740 depending on the brand and features.
Why Buy from Chastotnik.ua
- Over 150 models of 0.75 kW variable frequency drives from 20+ brands in stock and available to order.
- Official warranty from 12 to 24 months depending on the manufacturer. Warranty and post-warranty service in Ukraine.
- Delivery across Ukraine — Nova Poshta, Ukrposhta, door-to-door delivery. Same-day shipping for in-stock items.
- Engineering support — we help you select the right VFD for your motor and application, and provide setup and wiring guidance.
- Competitive pricing — direct partnerships with manufacturers and official distributors, bulk discounts available.
