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11 kW Variable Frequency Drives — Selection Guide
An 11 kW variable frequency drive (VFD) is the ideal choice for controlling medium-power three-phase asynchronous motors in industrial and utility applications. Smooth starting, speed regulation, and energy recovery can reduce electricity consumption by up to 50 % compared to direct-on-line starting. Browse the full range on the Variable Frequency Drives (VFD) catalogue page.
Where 11 kW VFDs are used
11 kW matches a 4–6 pole induction motor at 3×380 V mains supply. Typical applications include:
- Pumping stations — water supply, irrigation, heating systems and fire suppression. Smooth starting eliminates water hammer; PID control maintains pressure without frequent start/stop cycles.
- Industrial fans and blowers — factory ventilation, dryers, boiler rooms. A 20 % speed reduction cuts power consumption by nearly half following the cubic affinity law.
- Compressors and air blowers — soft start reduces inrush current from 6–7 × In down to 1.5 × In.
- Conveyors, screw feeders, mixers — precise speed control in food processing, chemical, and construction industries.
- Machine tools and woodworking equipment — milling machines, planers, and grinding machines with dynamic load profiles.
11 kW VFD model comparison
The table below shows the most popular models based on actual sales data:
| Model | Brand | Input | Current (A) | IP | Key feature |
|---|---|---|---|---|---|
| Veichi AC10-T3-011G-B | Veichi | 3×380 V | 25 | IP20 | SVC, built-in PID, RS-485 Modbus |
| Veichi AC310-T3-011G/015P-B | Veichi | 3×380 V | 25 | IP20 | Dual rating G/P, PID, Modbus |
| Schneider ATV310HD11N4E | Schneider Electric | 3×380 V | 24 | IP20 | Altivar 310, pump/fan drive, Modbus RTU |
| INVT GD20-011G-4 | INVT | 3×380 V | 25 | IP20 | V/F + SVC, built-in PID, optional EMC filter |
| Delta VFD110E43A | Delta Electronics | 3×380 V | 24 | IP20 | VFD-E series, built-in PLC, 3 analogue outputs |
How to choose an 11 kW VFD
Consider the following parameters when selecting a drive:
- Input voltage: most models are rated for 3×380 V three-phase input. For a single-phase supply, the Veichi AC310-T/S2-011G-B supports 1×220 V input with 3×220 V output.
- Overload class: pumps and fans need only 110–120 % × 60 s (P-duty); compressors and conveyors require 150 % × 60 s (G-duty).
- Ingress protection: for outdoor or humid environments, choose IP21 models (Bosch Rexroth VFC/EFC range) or install a protective enclosure. IP20 is sufficient for dry control panels.
- Control algorithm: scalar V/F is adequate for pumps and fans; for hoists, machine tools, and extruders, select sensorless vector (SVC) or closed-loop FOC.
Other power ratings
If your motor rating differs, see the adjacent catalogue sections:
- 7.5 kW VFDs — 85 models
- 15 kW VFDs — 71 models
- 5.5 kW VFDs — 86 models
- 18.5 kW VFDs — 64 models
- 22 kW VFDs — 64 models
Warranty and support
All 11 kW VFDs listed on Chastotnik.ua come with the manufacturer's official warranty of 12 to 24 months. Technical support for selection, commissioning, and service is available by phone and e-mail. Delivery across Ukraine via Nova Poshta; cash-on-delivery and bank transfer for legal entities.
