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. 793-2134
Mfr. Part No.6SL3244-0BB12-1PA1
BrandSiemens
TWD12,965.00
Each
units
- - 24 V 1.5 A - PM230, PM240, PM250 0 → +50°C 73mm 199mm SINAMICS G120 IP20 46mm No Profibus
RS Stock No. 704-3896
Mfr. Part No.6SL3224-0BE24-0UA0
BrandSiemens
TWD38,581.00
Each
units
4 kW 3 400 V ac 10.2 A 0 → 550Hz - 0 → +40°C 153mm 270mm SINAMICS G120 IP20 230mm Yes Profibus, Profinet
RS Stock No. 465-9482
Mfr. Part No.6SE6420-2AB13-7AA1
BrandSiemens
TWD15,048.00
Each
units
0.37 kW 1 230 V ac 4.6 A 0 → 550Hz - -10 → +50°C 73mm 173mm MICROMASTER 420 IP20 149mm - -
RS Stock No. 465-9634
Mfr. Part No.6SE6420-2UD24-0BA1
BrandSiemens
TWD51,139.00
Each
units
4 kW 3 400 V ac 12.8 A 0 → 550Hz - -10 → +50°C 149mm 202mm MICROMASTER 420 IP20 172mm - -
RS Stock No. 784-0767
Mfr. Part No.6SL3210-5BE21-1UV0
BrandSiemens
TWD12,359.00
Each
units
1.1 kW 3 400 V ac - 0 → 550Hz - - 166mm 90mm SINAMICS V20 IP20 146mm Yes Modbus
RS Stock No. 784-0745
Mfr. Part No.6SL3210-5BE13-7UV0
BrandSiemens
TWD10,540.00
Each
units
0.37 kW 3 400 V ac - 0 → 550Hz - - 150mm 90mm SINAMICS V20 IP20 146mm Yes Modbus
RS Stock No. 784-0779
Mfr. Part No.6SL3210-5BE21-5UV0
BrandSiemens
TWD13,629.00
Each
units
1.5 kW 3 400 V ac - 0 → 550Hz - - 166mm 90mm SINAMICS V20 IP20 146mm Yes Modbus
RS Stock No. 791-8636
Mfr. Part No.6SL3210-1KE18-8UB1
BrandSiemens
TWD29,657.00
Each
units
4 kW 3 400 V 8.8 A 0 → 550Hz - 0 → +40°C 195mm 73mm SINAMICS G120C IP20 200mm Yes Modbus
RS Stock No. 784-0791
Mfr. Part No.6SL3210-5BE24-0UV0
BrandSiemens
TWD20,148.00
Each
units
4 kW 3 400 V ac - 0 → 550Hz - - 160mm 140mm SINAMICS V20 IP20 165mm Yes Modbus
RS Stock No. 784-0814
Mfr. Part No.6SL3210-5BE31-1UV0
BrandSiemens
TWD31,567.00
Each
units
11 kW 3 400 V ac - 0 → 550Hz - - 207mm 240mm SINAMICS V20 IP20 173mm Yes Modbus
RS Stock No. 466-0101
Mfr. Part No.6SE6440-2AD25-5CA1
BrandSiemens
TWD156,544.00
Each
units
5.5 kW 3 400 V ac 19 A 0 → 550Hz - -10 → +40°C 185mm 245mm MICROMASTER 440 IP20 195mm - -
RS Stock No. 793-2128
Mfr. Part No.6SL3244-0BB00-1BA1
BrandSiemens
TWD7,558.00
Each
units
- - 24 V 1.5 A - PM230, PM240, PM250 0 → +50°C 73mm 199mm SINAMICS G120 IP20 46mm No Modbus
RS Stock No. 196-3711
Mfr. Part No.6SL32101KE314UF1
BrandSiemens
TWD258,025.00
Each
units
75 kW 3 400 V 112 (High Overload) A, 134 (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
RS Stock No. 136-8031
Mfr. Part No.6SL3210-1KE13-2AP2
BrandSiemens
TWD23,017.00
Each
units
0.75 kW 3 400 V 3.2 (High Overload) A, 4.1 (Low Overload) A 0 → 240 (Vector Control) Hz, 0 → 550 (V/F Control) Hz - -10 → +40°C 155mm 73mm SINAMICS G120C IP20 173mm - Profibus
RS Stock No. 196-3712
Mfr. Part No.6SL32101KE317UF1
BrandSiemens
TWD301,368.00
Each
units
90 kW 3 400 V 144 (High Overload) A, 156 (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
RS Stock No. 883-8831
Mfr. Part No.6SL3210-5BB22-2AV0
BrandSiemens
TWD13,416.00
Each
units
2.2 kW 1 230 V ac 11 A 0 → 550 Hz - - - - SINAMICS V20 IP20 - Yes Modbus
New
RS Stock No. 211-6934
Mfr. Part No.6SL3210-1PE13-2AL1
BrandSiemens
TWD15,349.00
Each
units
1.1 kW 3 480 V 4.7 A 550Hz - - - - SINAMICS PM240-2 IP20 - - -
RS Stock No. 190-9728
Mfr. Part No.6EP1437-3BA00-8AA0
BrandSiemens
TWD17,634.00
Each
units
960 W 3 320 → 550 V ac 2.2 A - - 0 → +70°C 125mm 240mm SITOP IP20 125mm - -
RS Stock No. 196-3713
Mfr. Part No.6SL32101KE324UF1
BrandSiemens
TWD385,810.00
Each
units
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
RS Stock No. 136-8042
Mfr. Part No.6SL3210-1KE15-8AB2
BrandSiemens
TWD25,230.00
Each
units
1.5 kW 3 400 V 6 (High Overload) A, 7.4 (Low Overload) A 0 → 240 (Vector Control) Hz, 0 → 550 (V/F Control) Hz - -10 → +40°C 155mm 73mm SINAMICS G120C IP20 173mm - USS/Modbus RTU