Inverter Drives

An inverter drive (also known as variable frequency drives or VFD) is a type of variable speed drive that allows you as the user to adjust the speed or output. Inverter drives allow AC power to be converted to DC providing the user with precise control. Inverter drives are also ideal for helping to reduce waste or loss of electrical energy in a range of applications.

How do inverter drives work?

Inverter drives are controlled by inputting specific frequencies or parameters into the device. This allows for greater control over your machinery and operations with more precision. Inverter drives are situated between an electrical supply and a motor, with the inverter allowing the power to be regulated to suit the application.

Features and Benefits

  • Control small appliances such as desk portable fans or pump loads
  • Larger appliances such as high torque machine control
  • Digital operation LED input screens (for easy parameter setting, input and monitoring)
  • Compact and sleek design (saves space in constricted areas)
  • Easy installation
  • Automatic restarts (varies in models)
  • Emergency stops (varies in models)
  • Safety self-diagnostics (varies in models)
  • Energy saving (not having a constant running frequency can save electricity costs)

Where might I use an inverter drive?

Inverter drives are used in a wide range of industrial applications. Inverter drives are particularly useful for applications that require precise control of speed and torque with motors.

These kinds of drives are used in areas such as small appliances like simple fan and pump loads all the way through to high torque machine control applications. Most inverter drives feature digital operation and commonly featuring an LED display or analogue dial. This provides the user with direct control of the important parameters they ish to set themselves. As result, this makes them easy to set up and monitor or adjust where needed.

Some inverters are very compact, making them easy to install and have many side by side if needed. Many inverter drives have built in security features such as automatic restarts after power failures, emergency stops or safety self-diagnostics that help you control the safety of your environment.


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Description Price For Use With Power Rating Phase Output Frequency Supply Voltage Control Panel Current Rating Field Bus Communication Type Ambient Temperature Overall Width Overall Length Series IP Rating Overall Depth
RS Stock No. 767-3040
Mfr. Part No.FR-D720S-042SC-EC
BrandMitsubishi
kr 2 086,56
Each
Units
- 0.75 kW 1 0.2 → 400Hz 230 V ac Yes 4.2 A ModBus -10 → +40°C 68mm 128mm FR-D720S IP20 162.5mm
RS Stock No. 621-1290
Mfr. Part No.ACS150-03E-05A6-4
BrandABB
kr 4 013,26
Each
Units
- 2.2 kW 3 500Hz 400 V Yes 5.6 A - -10 → +40°C 70mm 239mm ACS150 IP20 142mm
RS Stock No. 887-4736
Mfr. Part No.ACS355-03E-07A3-4
BrandABB
kr 5 429,40
Each
Units
3 kW AC Motor 3 kW 3 0 → 600Hz 400 V No 7.3 A - -10 → +40°C 70mm 239mm ACS355 IP20 187mm
RS Stock No. 860-3903
Mfr. Part No.VFD007EL43A
BrandDelta
kr 2 194,39
Each
Units
Constant Pressure Control of Water Pumps, Conveyor, Winders 0.75 kW 3 0 → 600Hz 400 V ac - 3.2 A Modbus -10 → +50°C 136mm 72mm VFD-EL IP20 174mm
RS Stock No. 705-1746
Mfr. Part No.3G3MX2AB015ECHN
BrandOmron
kr 4 355,08
Each
Units
- 1.5 kW 1 400Hz 230 V Yes 9.6 A Profibus -10 → +50°C 108mm 128mm MX2 IP20 170,5mm
RS Stock No. 883-8743
Mfr. Part No.6SL3210-1KE18-8AP1
BrandSiemens
kr 9 943,96
Each
Units
- 4 kW 3 0 → 550 Hz 400 V ac Yes 8.8 A Profibus 0 → +40 °C - - SINAMICS G120C IP20 -
RS Stock No. 767-3059
Mfr. Part No.FR-D720S-070SC-EC
BrandMitsubishi
kr 2 546,64
Each
Units
- 1.5 kW 1 0.2 → 400Hz 230 V ac Yes 7 A ModBus -10 → +40°C 108mm 128mm FR-D720S IP20 155mm
RS Stock No. 887-4701
Mfr. Part No.ACS355-01E-07A5-2
BrandABB
kr 3 000,57
Each
Units
1.5 kW AC Motor 1.5 kW 1 0 → 600Hz 230 V No 7.5 A - -10 → +40°C 105mm 239mm ACS355 IP20 191mm
RS Stock No. 767-3046
Mfr. Part No.FR-D720S-025SC-EC
BrandMitsubishi
kr 1 794,96
Each
Units
- 0.4 kW 1 0.2 → 400Hz 230 V ac Yes 2.5 A ModBus -10 → +40°C 68mm 128mm FR-D720S IP20 142.5mm
RS Stock No. 887-4708
Mfr. Part No.ACS355-01E-06A7-2
BrandABB
kr 2 760,54
Each
Units
1.1 kW AC Motor 1.1 kW 1 0 → 600Hz 230 V No 6.7 A - -10 → +40°C 70mm 239mm ACS355 IP20 187mm
RS Stock No. 669-5780
Mfr. Part No.ATV12HU22M2
kr 2 903,04
Each
Units
- 2.2 kW 1 400Hz 230 V Yes 20.2 A ModBus -10 → +50°C 105mm 143mm ALTIVAR 12 IP20 156mm
RS Stock No. 745-7838
Mfr. Part No.FR-E720S-030SC-EC
BrandMitsubishi
kr 2 047,68
Each
Units
- 0.4 kW 1 0.2 → 400Hz 230 V ac Yes 3 A Profibus -10 → +50°C 68mm 128mm FR-E720S IP20 148.5mm
RS Stock No. 669-5777
Mfr. Part No.ATV12H018M2
kr 1 360,80
Each
Units
- 0.18 kW 1 400Hz 230 V Yes 2.8 A ModBus -10 → +40°C 72mm 143mm ALTIVAR 12 IP20 102mm
RS Stock No. 669-5812
Mfr. Part No.ATV12HU40M3
kr 6 998,40
Each
Units
- 4 kW 3 400Hz 230 V Yes 19.9 A ModBus -10 → +50°C 140mm 184mm ALTIVAR 12 IP20 141mm
RS Stock No. 669-5809
Mfr. Part No.ATV12HU22M3
kr 4 069,44
Each
Units
- 2.2 kW 3 400Hz 230 V Yes 12.5 A ModBus -10 → +50°C 105mm 143mm ALTIVAR 12 IP20 131mm
RS Stock No. 465-9454
Mfr. Part No.6SE6420-2AB11-2AA1
BrandSiemens
kr 3 582,22
Each
Units
- 0.12 kW 1 0 → 550Hz 230 V ac - 1.8 A - -10 → +50°C 73mm 173mm MICROMASTER 420 IP20 149mm
RS Stock No. 125-0792
Mfr. Part No.134X0703
BrandDanfoss
kr 13 952,42
Each
Units
3 Phase Asynchronous Motors and Permanent Magnet Synchronous Motors 5.5 kW 3 0 → 500Hz 400 V Yes 9.4 (441 → 480 V) A, 11.2 (380 → 440 V) A RS485 0 → +45 (Full Constant Output Current) °C, 0 → +55 (with Derating) °C 168mm 90mm FC280 IP20 272.5mm
RS Stock No. 745-7844
Mfr. Part No.FR-E720S-110SC-EC
BrandMitsubishi
kr 4 406,40
Each
Units
- 2.2 kW 1 0.2 → 400Hz 230 V ac Yes 11 A Profibus -10 → +50°C 140mm 150mm FR-E720S IP20 161.5mm
RS Stock No. 669-5786
Mfr. Part No.ATV12HU15M2
kr 2 540,16
Each
Units
- 1.5 kW 1 400Hz 230 V Yes 14.9 A ModBus -10 → +50°C 105mm 143mm ALTIVAR 12 IP20 156mm
RS Stock No. 891-8849
Mfr. Part No.132F0059
BrandDanfoss
kr 16 121,53
Each
Units
- 15 kW 3 0 → 200 (VVC+ Mode) Hz, 0 → 400 (U/f Mode) Hz 400 V Yes 31 A Modbus Maximum of +50°C 292mm 125mm VLT FC51 IP20 241mm