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庫存編號 385-152
製造零件編號VZA47P5FAA
BrandOmron
HK$13,859.28
單位
7.5 kW 3 400 V 23 A 0.1 → 400Hz - - 140mm 254mm V1000 IP20 140mm Yes Profibus
RS庫存編號 860-3916
製造零件編號VFD022EL43A
BrandDelta
HK$3,070.36
單位
2.2 kW 3 400 V ac 7.1 A 0 → 600Hz Constant Pressure Control of Water Pumps, Conveyor, Winders -10 → +50°C 136mm 100mm VFD-EL IP20 174mm - Modbus
RS庫存編號 767-3059
製造零件編號FR-D720S-070SC-EC
BrandMitsubishi
HK$2,270.44
單位
1.5 kW 1 230 V ac 7 A 0.2 → 400Hz - -10 → +40°C 108mm 128mm FR-D720S IP20 155mm Yes ModBus
RS庫存編號 891-8820
製造零件編號132F0018
BrandDanfoss
HK$3,330.53
單位
0.75 kW 3 400 V 2.2 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庫存編號 621-1206
製造零件編號ACS150-01E-04A7-2
BrandABB
HK$1,527.17
單位
0.75 kW 1 230 V 4.7 A 500Hz - -10 → +40°C 70mm 239mm ACS150 IP20 142mm Yes -
RS庫存編號 891-8811
製造零件編號132F0017
BrandDanfoss
HK$2,898.55
單位
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庫存編號 767-3046
製造零件編號FR-D720S-025SC-EC
BrandMitsubishi
HK$1,607.88
單位
0.4 kW 1 230 V ac 2.5 A 0.2 → 400Hz - -10 → +40°C 68mm 128mm FR-D720S IP20 142.5mm Yes ModBus
RS庫存編號 704-3896
製造零件編號6SL3224-0BE24-0UA0
BrandSiemens
HK$10,341.69
單位
4 kW 3 400 V ac 10.2 A 0 → 550Hz - 0 → +40°C 153mm 270mm SINAMICS G120 IP20 230mm Yes Profibus, Profinet
RS庫存編號 745-7844
製造零件編號FR-E720S-110SC-EC
BrandMitsubishi
HK$4,119.02
單位
2.2 kW 1 230 V ac 11 A 0.2 → 400Hz - -10 → +50°C 140mm 150mm FR-E720S IP20 161.5mm Yes Profibus
RS庫存編號 887-4733
製造零件編號ACS355-03E-12A5-4
BrandABB
HK$8,882.30
單位
5.5 kW 3 400 V 12.5 A 0 → 600Hz 5.5 kW AC Motor -10 → +40°C 169mm 236mm ACS355 IP20 195mm No -
RS庫存編號 705-4802
製造零件編號ACS310-03E-25A4-4
BrandABB
HK$11,421.22
單位
11 kW 3 400 V 25.4 A 0 → 500Hz - -10 → +50°C 169mm 236mm ACS310 IP20 169mm - ModBus
RS庫存編號 820-3569
製造零件編號174332 & DE1-129D6FN-N20N
BrandEaton
HK$2,680.87
單位
2.2 kW 1 230 V ac 9.6 A 300Hz - Maximum of +50°C 90mm 90mm PowerXL DE1 IP20 231mm - ModBus RTU
RS庫存編號 872-4088
製造零件編號ATV630D90N4
HK$61,295.81
單位
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 ALTIVAR 630 IP21 323mm Yes Profibus
RS庫存編號 820-0832
製造零件編號TCSMCNAM3M002P
HK$606.24
單位
- - - - - Altistart 22 - - - - - - - -
RS庫存編號 621-1307
製造零件編號ACS150-03E-07A3-4
BrandABB
HK$5,466.23
單位
3 kW 3 400 V 7.3 A 500Hz - -10 → +40°C 70mm 239mm ACS150 IP20 142mm Yes -
RS庫存編號 820-3557
製造零件編號174330 & DE1-124D3FN-N20N
BrandEaton
HK$1,568.01
單位
0.75 kW 1 230 V ac 4.3 A 300Hz - Maximum of +50°C 45mm 45mm PowerXL DE1 IP20 231mm - ModBus RTU
RS庫存編號 887-4727
製造零件編號ACS355-03E-05A6-4
BrandABB
HK$4,197.25
單位
2.2 kW 3 400 V 5.6 A 0 → 600Hz 2.2 kW AC Motor -10 → +40°C 70mm 239mm ACS355 IP20 187mm No -
RS庫存編號 745-7822
製造零件編號FR-E740-300SC-EC
BrandMitsubishi
HK$14,177.25
單位
15 kW 3 400 V ac 30 A 0.2 → 400Hz - -10 → +50°C 220mm 260mm FR-E740 IP20 196mm Yes Profibus
RS庫存編號 621-1256
製造零件編號ACS150-03E-01A2-4
BrandABB
HK$2,271.85
單位
0.37 kW 3 400 V 1.2 A 500Hz - -10 → +40°C 70mm 239mm ACS150 IP20 142mm Yes -
RS庫存編號 669-5783
製造零件編號ATV12H075M2
HK$2,232.90
單位
0.75 kW 1 230 V 8.5 A 400Hz - -10 → +40°C 72mm 143mm ALTIVAR 12 IP20 132mm Yes ModBus