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 Overall Depth Control Panel Drive Type Field Bus Communication Type Filter Included
RS Stock No. 883-8746
Mfr. Part No.6SL3210-1KE21-3AP1
BrandSiemens
MYR5,705.62
Each
units
5.5 kW 3 400 V ac 12.5 A 0 → 550 Hz - 0 → +40 °C - - - Yes - Profibus Yes
RS Stock No. 751-8826
Mfr. Part No.ACS310-01E-09A8-2
BrandABB
MYR1,655.74
Each
units
2.2 kW 1 230 V 9.8 A 0 → 500Hz - -10 → +50 °C 105mm 239mm 165mm - - RS485 ModBus Yes
RS Stock No. 872-4063
Mfr. Part No.ATV630D18N4
MYR15,054.42
Each
units
18.5 kW 3 400 V 31.7 (Heavy Duty) A, 39.2 (Normal Duty) A 0.1 → 500Hz Asynchronous Motors, Synchronous Motors -15 → +60°C 546mm 211mm 232mm Yes Adjustable Frequency Profibus Yes
RS Stock No. 669-5770
Mfr. Part No.ATV12H037M2
MYR724.11
Each
units
0.37 kW 1 230 V 4.9 A 400Hz - -10 → +40°C 72mm 143mm 121mm Yes - ModBus Yes
RS Stock No. 767-3021
Mfr. Part No.FR-D740-036SC-EC
BrandMitsubishi
MYR1,484.14
Each
units
1.5 kW 3 400 V ac 3.6 A 0.2 → 400Hz - -10 → +40°C 108mm 128mm 135.5mm Yes - ModBus No
RS Stock No. 767-3028
Mfr. Part No.FR-D740-080SC-EC
BrandMitsubishi
MYR2,911.59
Each
units
3.7 kW 3 400 V ac 8 A 0.2 → 400Hz - -10 → +40°C 108mm 128mm 165.5mm Yes - ModBus No
RS Stock No. 669-5777
Mfr. Part No.ATV12H018M2
MYR589.23
Each
units
0.18 kW 1 230 V 2.8 A 400Hz - -10 → +40°C 72mm 143mm 102mm Yes - ModBus Yes
RS Stock No. 820-3541
Mfr. Part No.174327 & DE1-121D4FN-N20N
BrandEaton
MYR602.31
Each
units
0.25 kW 1 230 V ac 1.4 A 300Hz - Maximum of +50°C 45mm 45mm 231mm - - ModBus RTU Yes
RS Stock No. 820-0832
Mfr. Part No.TCSMCNAM3M002P
MYR344.84
Each
units
- - - - - Altistart 22 - - - - - - - -
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 187mm No Vector Control - Yes
RS Stock No. 125-0755
Mfr. Part No.134U2981
BrandDanfoss
MYR2,832.50
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 210mm Yes Adjustable Frequency - Yes
RS Stock No. 705-4776
Mfr. Part No.ACS310-03E-02A6-4
BrandABB
MYR1,502.69
Each
units
0.75 kW 3 400 V 2.6 A 0 → 500Hz - -10 → +50°C 70mm 239mm 161mm - - ModBus Yes
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 128mm Yes - - Yes
RS Stock No. 621-1256
Mfr. Part No.ACS150-03E-01A2-4
BrandABB
MYR1,090.60
Each
units
0.37 kW 3 400 V 1.2 A 500Hz - -10 → +40°C 70mm 239mm 142mm Yes - - Yes
RS Stock No. 860-3903
Mfr. Part No.VFD007EL43A
BrandDelta
MYR1,010.42
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 174mm - - Modbus Yes
RS Stock No. 615-2501
Mfr. Part No.ATV31C037M2ZH28
MYR3,289.26
Each
units
0.37 kW 1 230 V 3.3 A - - - 258mm 281mm 320mm Yes - ModBus Yes
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 172mm - - - Yes
RS Stock No. 891-8883
Mfr. Part No.132F0005
BrandDanfoss
MYR1,598.36
Each
units
1.5 kW 1 230 V 6.8 A 0 → 200 (VVC+ Mode) Hz, 0 → 400 (U/f Mode) Hz - Maximum of +50°C 176mm 75mm 168mm Yes Variable Speed Modbus Yes
RS Stock No. 767-3040
Mfr. Part No.FR-D720S-042SC-EC
BrandMitsubishi
MYR1,448.02
Each
units
0.75 kW 1 230 V ac 4.2 A 0.2 → 400Hz - -10 → +40°C 68mm 128mm 162.5mm Yes - ModBus No
RS Stock No. 891-8842
Mfr. Part No.132F0030
BrandDanfoss
MYR4,750.37
Each
units
7.5 kW 3 400 V 15.5 A 0 → 200 (VVC+ Mode) Hz, 0 → 400 (U/f Mode) Hz - Maximum of +50°C 239mm 90mm 194mm Yes Variable Speed Modbus Yes