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. 174-8221
BrandRS PRO
SGD851.87
Each
units
7.5 kW 3 380 → 480 V ac 19.3 A 599Hz Wide Range of Drive Applications - 190mm 187mm 273mm Yes Vector Control BACnet, Modbus, RS485 Yes
RS Stock No. 174-8216
BrandRS PRO
SGD327.60
Each
units
0.75 kW 3 380 → 480 V ac 4.2 A 599Hz Wide Range of Drive Applications - 150mm 118mm 144mm Yes Vector Control BACnet, Modbus, RS485 Yes
RS Stock No. 174-8222
BrandRS PRO
SGD968.86
Each
units
11 kW 3 380 → 480 V ac 26.4 A 599Hz Wide Range of Drive Applications - 190mm 187mm 273mm Yes Vector Control BACnet, Modbus, RS485 Yes
RS Stock No. 122-3413
BrandRS PRO
SGD255.01
Each
units
1.5 kW 1 230 V ac 15.5 A 0.01 → 599Hz AC Motors -10 → +40 (Without Fan) °C, -10 → +50 (With Fan) °C 144mm 118mm 150mm Yes - RS485 Yes
RS Stock No. 122-3414
BrandRS PRO
SGD281.84
Each
units
2.2 kW 1 230 V ac 21 A 0.01 → 599Hz AC Motors -10 → +40 (Without Fan) °C, -10 → +50 (With Fan) °C 144mm 118mm 150mm Yes - RS485 Yes
RS Stock No. 136-3124
BrandRS PRO
SGD711.29
Each
units
0.75 kW 3 460 V ac 2 A 50 → 60Hz AC Induction Motors 0 → +40°C 149mm 140mm 242mm Yes Vector Control - Yes
RS Stock No. 174-8218
BrandRS PRO
SGD380.01
Each
units
2.2 kW 3 380 → 480 V ac 7.3 A 599Hz Wide Range of Drive Applications - 150mm 118mm 144mm Yes Vector Control BACnet, Modbus, RS485 Yes
RS Stock No. 174-8217
BrandRS PRO
SGD341.55
Each
units
1.5 kW 3 380 → 480 V ac 5.6 A 599Hz Wide Range of Drive Applications - 150mm 118mm 144mm Yes Vector Control BACnet, Modbus, RS485 Yes
RS Stock No. 122-3411
BrandRS PRO
SGD174.91
Each
units
0.75 kW 1 230 V ac 11 A 0.01 → 599Hz AC Motors -10 → +40 (Without Fan) °C, -10 → +50 (With Fan) °C 141mm 72mm 141mm Yes - RS485 Yes
RS Stock No. 174-8220
BrandRS PRO
SGD748.90
Each
units
5.5 kW 3 380 → 480 V ac 14.3 A 599Hz Wide Range of Drive Applications - 148mm 129mm 197mm Yes Vector Control BACnet, Modbus, RS485 Yes
RS Stock No. 136-3113
BrandRS PRO
SGD347.73
Each
units
0.75 kW 1 230 V ac 3.6 A 0.3 → 240Hz AC Motors 0 → +40°C 130mm 126mm 178mm Yes Vector Control - Yes
RS Stock No. 174-8219
BrandRS PRO
SGD538.29
Each
units
3.7 kW 3 380 → 480 V ac 10.1 A 599Hz Wide Range of Drive Applications - 148mm 129mm 197mm Yes Vector Control BACnet, Modbus, RS485 Yes
RS Stock No. 136-3117
BrandRS PRO
SGD811.14
Each
units
1.5 kW 1 230 V ac 6.7 A 50 → 60Hz AC Induction Motors 0 → +40°C 184mm 192mm 249mm Yes Vector Control - Yes
RS Stock No. 122-3410
BrandRS PRO
SGD168.63
Each
units
0.4 kW 1 230 V ac 7.2 A 0.01 → 599Hz AC Motors -10 → +40 (Without Fan) °C, -10 → +50 (With Fan) °C 141mm 72mm 141mm Yes - RS485 Yes
RS Stock No. 860-3919
Mfr. Part No.VFD037EL43A
BrandDelta
SGD602.82
Each
units
3.7 kW 3 400 V ac 9 A 0 → 600Hz Constant Pressure Control of Water Pumps, Conveyor, Winders -10 → +50°C 136mm 100mm 174mm - - Modbus Yes
RS Stock No. 820-0832
Mfr. Part No.TCSMCNAM3M002P
SGD96.53
Each
units
- - - - - Altistart 22 - - - - - - - -
RS Stock No. 669-5783
Mfr. Part No.ATV12H075M2
SGD380.85
Each
units
0.75 kW 1 230 V 8.5 A 400Hz - -10 → +40°C 72mm 143mm 132mm Yes - ModBus Yes
RS Stock No. 785-8566
Mfr. Part No.VFD055E43A
BrandDelta
SGD1,077.28
Each
units
5.5 kW 3 460 V 14 A 0 → 600 Hz 5.5 kW AC Motor -10 → +50°C 130mm 260mm 169.2mm Yes - RS485 ModBus Yes
RS Stock No. 891-8842
Mfr. Part No.132F0030
BrandDanfoss
SGD1,600.41
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
RS Stock No. 785-8569
Mfr. Part No.VFD022E43A
BrandDelta
SGD665.98
Each
units
2.2 kW 3 460 V 7.1 A 0 → 600 Hz 2.2 kW AC Motor -10 → +50°C 100mm 174mm 152mm Yes - RS485 ModBus Yes
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