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 Power Rating Phase Supply Voltage Current Rating Output Frequency For Use With Ambient Temperature Overall Width Overall Length Series IP Rating Overall Depth Control Panel Field Bus Communication Type
RS Stock No. 887-4698
Mfr. Part No.ACS355-01E-04A7-2
BrandABB
MYR908.34
Each
units
0.75 kW 1 230 V 4.7 A 0 → 600Hz 0.75 kW AC Motor -10 → +40°C 70mm 239mm ACS355 IP20 187mm No -
RS Stock No. 860-3903
Mfr. Part No.VFD007EL43A
BrandDelta
MYR1,062.35
Each
units
0.75 kW 3 400 V ac 3.2 A 0 → 600Hz Constant Pressure Control of Water Pumps, Conveyor, Winders -10 → +50°C 136mm 72mm VFD-EL IP20 174mm - Modbus
RS Stock No. 125-0755
Mfr. Part No.134U2981
BrandDanfoss
MYR4,273.38
Each
units
1.5 kW 3 400 V 2.9 (441 → 480 V) A, 3.5 (380 → 440 V) A 0 → 500Hz 3 Phase Asynchronous Motors and Permanent Magnet Synchronous Motors 0 → +45 (Full Constant Output Current) °C, 0 → +55 (with Derating) °C 168mm 75mm FC280 IP20 210mm Yes -
RS Stock No. 767-3040
Mfr. Part No.FR-D720S-042SC-EC
BrandMitsubishi
MYR1,461.65
Each
units
0.75 kW 1 230 V ac 4.2 A 0.2 → 400Hz - -10 → +40°C 68mm 128mm FR-D720S IP20 162.5mm Yes ModBus
RS Stock No. 826-4555
Mfr. Part No.3G3MX2-A4022-V1
BrandOmron
MYR4,863.76
Each
units
2.2 kW 3 400 V ac 6.5 (CT) A 0.1 → 400Hz 2.2 kW AC Motor -10 → +50°C 108mm 128mm MX2 IP20 170.5mm - RS485
RS Stock No. 466-0094
Mfr. Part No.6SE6440-2AD24-0BA1
BrandSiemens
MYR13,014.34
Each
units
4 kW 3 400 V ac 12.8 A 0 → 550Hz - -10 → +50°C 149mm 202mm MICROMASTER 440 IP20 172mm - -
RS Stock No. 705-4776
Mfr. Part No.ACS310-03E-02A6-4
BrandABB
MYR1,534.76
Each
units
0.75 kW 3 400 V 2.6 A 0 → 500Hz - -10 → +50°C 70mm 239mm ACS310 IP20 161mm - ModBus
RS Stock No. 615-2501
Mfr. Part No.ATV31C037M2ZH28
MYR3,759.05
Each
units
0.37 kW 1 230 V 3.3 A - - - 258mm 281mm ALTIVAR 31 IP55 320mm Yes ModBus
RS Stock No. 451-433
Mfr. Part No.ACS55-01E-02A2-2
BrandABB
MYR715.11
Each
units
0.37 kW 1 230 V 2.2 A 130Hz - -20 → +40°C 45mm 170mm ACS55 IP20 128mm Yes -
RS Stock No. 704-3903
Mfr. Part No.6SL3224-0BE31-1UA0
BrandSiemens
MYR13,659.85
Each
units
11 kW 3 400 V ac 32 A 0 → 550Hz - 0 → +40°C 189mm 334mm SINAMICS G120 IP20 250mm Yes Profibus, Profinet
RS Stock No. 784-0808
Mfr. Part No.6SL3210-5BE27-5CV0
BrandSiemens
MYR5,304.69
Each
units
7.5 kW 3 400 V ac - 0 → 550Hz - - 207mm 240mm SINAMICS V20 IP20 173mm Yes Modbus
RS Stock No. 891-8811
Mfr. Part No.132F0017
BrandDanfoss
MYR1,698.26
Each
units
0.37 kW 3 400 V 1.2 A 0 → 200 (VVC+ Mode) Hz, 0 → 400 (U/f Mode) Hz - Maximum of +50°C 239mm 90mm VLT FC51 IP20 194mm Yes Modbus
RS Stock No. 887-4717
Mfr. Part No.ACS355-03E-01A9-4
BrandABB
MYR1,300.40
Each
units
0.55 kW 3 400 V 1.9 A 0 → 600Hz 0.55 kW AC Motor -10 → +40°C 70mm 239mm ACS355 IP20 187mm No -
RS Stock No. 784-0760
Mfr. Part No.6SL3210-5BE17-5UV0
BrandSiemens
MYR1,794.81
Each
units
0.75 kW 3 400 V ac - 0 → 550Hz - - 150mm 90mm SINAMICS V20 IP20 146mm Yes Modbus
RS Stock No. 785-8544
Mfr. Part No.VFD022E21A
BrandDelta
MYR1,691.64
Each
units
2.2 kW 1 230 V 15 A, 24 A 0 → 600 Hz 2.2 kW AC Motor -10 → +50°C 100mm 174mm VFD-E IP20 152mm Yes RS485 ModBus
RS Stock No. 744-9601
Mfr. Part No.6SL3210-1KE23-8AP1
BrandSiemens
MYR15,328.27
Each
units
18.5 kW 3 400 V ac 37 A 0 → 550Hz - - 140mm 295mm SINAMICS G120C IP20 203mm Yes Profibus
RS Stock No. 784-0827
Mfr. Part No.6SL3210-5BE31-5UV0
BrandSiemens
MYR7,677.83
Each
units
15 kW 3 400 V ac - 0 → 550Hz - - 207mm 240mm SINAMICS V20 IP20 173mm Yes Modbus
RS Stock No. 796-8694
Mfr. Part No.ATV212HU75N4
MYR4,783.05
Each
units
7.5 kW 3 400 V 14.7 A 0.5 → 200Hz 3-Phase Asynchronous Motors +40 → +50°C 170mm 180mm ALTIVAR 212 IP20, IP21, IP41 232mm - Modbus
RS Stock No. 767-3012
Mfr. Part No.FR-D740-022SC-EC
BrandMitsubishi
MYR1,310.71
Each
units
0.75 kW 3 400 V ac 2.2 A 0.2 → 400Hz - -10 → +40°C 108mm 128mm FR-D740 IP20 129.5mm Yes ModBus
RS Stock No. 785-8534
Mfr. Part No.VFD022EL21A
BrandDelta
MYR1,534.97
Each
units
2.2 kW 1 230 V 24 A 0 → 600 Hz 2.2 kW AC Motor -10 → +50°C 100mm 174mm VFD-EL IP20 136mm Yes RS485 ModBus