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. 705-4770
Mfr. Part No.ACS310-03E-03A6-4
BrandABB
TWD10,959.00
Each
units
1.1 kW 3 400 V 3.6 A 0 → 500Hz - -10 → +50°C 70mm 239mm ACS310 IP20 161mm - ModBus
RS Stock No. 122-4331
Mfr. Part No.9702-2002-00P & DG1-34012FB-C21C
BrandEaton
TWD39,630.00
Each
units
5.5 kW 3 400 V 12 A 0 → 400Hz 5.5 kW Motor -10 → +60°C 419.1mm 167.8mm DG1 IP21 244.7mm Yes BACnet MS/TP
RS Stock No. 125-0788
Mfr. Part No.134X0699
BrandDanfoss
TWD33,011.00
Each
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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 RS485
New
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Mfr. Part No.6SL3210-5BB21-1BV1
BrandSiemens
TWD8,860.00
Each
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1.1 kW 1 240 V 6 A 550Hz - - - - V20 IP20 - - Modbus RTU, USS
New
RS Stock No. 215-7309
Mfr. Part No.CIMR-AC4A0139AAA
BrandOmron
TWD313,315.00
Each
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75 kW 3 400 V 139 A 400Hz A1000 - - - A1000 IP20 - - Modbus, Profibus
RS Stock No. 883-8819
Mfr. Part No.6SL3210-1KE23-2AP1
BrandSiemens
TWD82,109.00
Each
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15 kW 3 400 V ac 31 A 0 → 550 Hz - 0 → +40 °C - - SINAMICS G120C IP20 - Yes Profibus
RS Stock No. 180-9447
Mfr. Part No.FR-F840-00052-E2-60
BrandMitsubishi
TWD28,913.00
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2.2 kW 3 400 V ac 5.2 A 50/60Hz Compressor, Fan Application, Pump -10 → +40 (SLD) °C, -10 → +50 (LD) °C 260mm 150mm FR-F800 IP20 140mm Yes BACnet
New
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BrandOmron
TWD13,361.00
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0.18 kW 1 200 V 1.2 A 590Hz Motor - - - Q2V IP20 - - EtherCAT, EtherNet/IP, POWERLINK, PROFINET
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BrandSiemens
TWD385,810.00
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132 kW 3 400 V 207 (High Overload) A, 221 (Low Overload) A 0 → 240 (Vector Control) Hz, 0 → 550 (V/F Control) Hz SINAMICS G120C -20 → +40°C 357mm 305mm 6SL3210 IP20 708mm - EtherNet, IP, PROFINET
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BrandABB
TWD54,188.00
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Mfr. Part No.ATV320U06M2WS
TWD26,384.00
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0.55 kW 1 200 → 240 V 7.9 A 0.1 → 599Hz Altivar Machine ATV320 -10 → +40 (Without Derating) °C, +40 → +60 (With Derating) °C 182mm 250mm ATV320 IP65 340mm - CANopen, Modbus
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Mfr. Part No.6SL3220-3YE14-0UF0
BrandSiemens
TWD32,000.00
Each
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1.5 kW 3 380 → 480 V ac 3.6 A - SINAMICS G120X -20 → +55°C 209mm 73mm SINAMICS G120X IP20 232mm Yes Profinet
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BrandSiemens
TWD5,460.00
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0.12 kW 1 230 V 900 mA 0 → 550Hz - -10 → +60°C 107.8mm 68mm SINAMICS V20 IP20 142mm - USS/Modbus RTU
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Mfr. Part No.ACS480-04-05A7-4+J424+OL540
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TWD15,159.00
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TWD18,830.00
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TWD72,061.00
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15 kW 3 380 → 480 V 30 A 0 → 550Hz - -20 → +40°C 200mm 143mm C200 IP20 391mm Yes AI-485 Adaptor, SI-CANopen SI-DeviceNet, SI-EtherCAT, SI-Ethernet, SI-PROFIBUS, SI-PROFINET
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Mfr. Part No.SX-A63P0-EFA4
BrandOmron
TWD173,618.00
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3 kW 3 690 V 300 A 400Hz Bluetooth, DeviceNet Slave, EtherCAT Slave, EtherNet/IP, MODBUS Slave - - - SX series IP20 - - Bluetooth, MODBUS