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. 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 232mm - - Modbus Yes
RS Stock No. 872-4088
Mfr. Part No.ATV630D90N4
MYR33,884.47
Each
units
90 kW 3 400 V 145 (Heavy Duty) A, 173 (Normal Duty) A 0.1 → 500Hz Asynchronous Motors, Synchronous Motors -15 → +60°C 922mm 290mm 323mm Yes Adjustable Frequency Profibus Yes
RS Stock No. 767-3030
Mfr. Part No.FR-D740-160SC-EC
BrandMitsubishi
MYR4,976.71
Each
units
7.5 kW 3 400 V ac 16 A 0.2 → 400Hz - -10 → +40°C 220mm 150mm 155mm Yes - ModBus No
RS Stock No. 793-2125
Mfr. Part No.6SL3244-0BB12-1BA1
BrandSiemens
MYR1,661.27
Each
units
- - 24 V 1.5 A - PM230, PM240, PM250 0 → +50°C 73mm 199mm 46mm No - Modbus -
RS Stock No. 704-3903
Mfr. Part No.6SL3224-0BE31-1UA0
BrandSiemens
MYR9,628.51
Each
units
11 kW 3 400 V ac 32 A 0 → 550Hz - 0 → +40°C 189mm 334mm 250mm Yes - Profibus, Profinet -
RS Stock No. 891-8811
Mfr. Part No.132F0017
BrandDanfoss
MYR1,506.87
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 194mm Yes Variable Speed Modbus Yes
RS Stock No. 784-0760
Mfr. Part No.6SL3210-5BE17-5UV0
BrandSiemens
MYR1,592.54
Each
units
0.75 kW 3 400 V ac - 0 → 550Hz - - 150mm 90mm 146mm Yes - Modbus -
RS Stock No. 785-8544
Mfr. Part No.VFD022E21A
BrandDelta
MYR1,448.05
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 152mm Yes - RS485 ModBus Yes
RS Stock No. 125-3230
Mfr. Part No.ATV320D11N4B
MYR8,322.98
Each
units
11 kW 3 400 V ac 36.6 A @ 380 V ac 0.1 → 599Hz Three Phase Asynchronous & Synchronous Motors +50 → +60 (with Derating) °C, -10 → +50 (without Derating) °C 232mm 180mm 330mm Yes Adjustable Frequency Profibus Yes
RS Stock No. 872-4076
Mfr. Part No.ATV630D55N4
MYR30,689.52
Each
units
55 kW 3 400 V 106 (Normal Duty) A, 88 (Heavy Duty) A 0.1 → 500Hz Asynchronous Motors, Synchronous Motors -15 → +60°C 922mm 290mm 323mm Yes Adjustable Frequency Profibus Yes
RS Stock No. 477-5269
Mfr. Part No.ATV31CU15M2
MYR3,350.62
Each
units
1.5 kW 1 230 V 15.8 A 0.5 → 500Hz - -10 → +50°C 215mm 297mm 192mm Yes - ModBus Yes
RS Stock No. 385-174
Mfr. Part No.VZA40P4BAA
BrandOmron
MYR2,754.76
Each
units
0.75 kW 3 400 V 2.1 A 0.1 → 400Hz - - 108mm 128mm 99mm Yes - Profibus -
RS Stock No. 820-3594
Mfr. Part No.174340 & DE1-34016FN-N20N
BrandEaton
MYR3,034.77
Each
units
7.5 kW 3 400 V ac 16 A 300Hz - Maximum of +50°C 90mm 90mm 231mm - - ModBus RTU Yes
RS Stock No. 887-4714
Mfr. Part No.ACS355-03E-01A2-4
BrandABB
MYR1,214.72
Each
units
0.37 kW 3 400 V 1.2 A 0 → 600Hz 0.37 kW AC Motor -10 → +40°C 70mm 239mm 187mm No Vector Control - Yes
RS Stock No. 705-1777
Mfr. Part No.3G3MX2A4110ECHN
BrandOmron
MYR6,468.06
Each
units
11 kW 3 400 V 31 A 400Hz - -10 → +50°C 180mm 296mm 175mm Yes - Profibus -
RS Stock No. 705-1737
Mfr. Part No.3G3MX2AB007ECHN
BrandOmron
MYR1,800.50
Each
units
0.7 kW 1 230 V 6 A 400Hz - -10 → +50°C 108mm 128mm 170.5mm Yes - Profibus -
RS Stock No. 883-8812
Mfr. Part No.6SL3210-1KE23-8AB1
BrandSiemens
MYR13,292.42
Each
units
18.5 kW 3 400 V ac 37 A 0 → 550 Hz - 0 → +40 °C - - - Yes - Modbus Yes
RS Stock No. 796-8691
Mfr. Part No.ATV212HD15N4
MYR9,635.25
Each
units
15 kW 3 400 V 28.5 A 0.5 → 200Hz 3-Phase Asynchronous Motors +40 → +50°C 190mm 245mm 329.5mm - - Modbus Yes
RS Stock No. 669-5774
Mfr. Part No.ATV12H055M2
MYR821.75
Each
units
0.55 kW 1 230 V 6.7 A 400Hz - -10 → +40°C 72mm 143mm 132mm Yes - ModBus Yes
RS Stock No. 785-8540
Mfr. Part No.VFD015E21A
BrandDelta
MYR1,327.99
Each
units
1.5 kW 1 230 V 9 A, 15.7 A 0 → 600Hz 1.5 kW AC Motor -10 → +50°C 100mm 174mm 152mm Yes - RS485 ModBus Yes