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Drives & Soft Starters
AC Drives: Choose a drive category below for a quick summary of the series
Electrical drives control the speed, torque and direction of a downstream device, most typically a motor. Variable frequency drives (VFD) provide speed control for AC motors such as those in conveyors, fans, pumps and shop tools. DC drives provide variable speed control for DC motors, ideal for applications requiring low-speed control, torque and power.
Go to our Guide for Selecting the Right AC Drive
WEG CFW100
GS1 AC Minidrive
WEG CFW300
DURApulse GS20 and GS20X AC drives
DURApulse GS3 AC Sensorless Vector Drives
DURApulse GS4 AC Sensorless Vector Drives
WEG CFW100
GS1 Minidrive
WEG CFW300
GS20 & GS20X
DURApulse GS3
DURApulse GS4
WEG CFW100
- Smallest AC drive in the world
- 1/4 to 1 hp, 115V (Single-Phase input)
- 1/4 to 1 hp, 230V (Single-Phase input)
- Output current 1.6 A, 2.6 A and 4.2 A (0.25; 0.5 and 1cv)
- Single-phase power supply (110/230 VAC)
- Operates in 50℃ [122℉] ambient temperature environments without derating
- Withstands 150% overload for one minute every 10 minutes at an ambient temperature of 50℃ [122℉]
- Vector (VVW) or Scalar (V/F) control
- Plug-and-play functionality
- Built-in operating interface (HMI)
- Digital inputs
- Surface mounting (with PLMP accessory) or DIN rail mounting
- Degree of protection IP20
- Removable external fan (for Frames B and C)
- Fault or alarm diagnosis
- Electronic protection against motor overload
- Free software (WPS)
- Standard coating classified as 3C2 according to IEC 60721-3-3 on all versions for greater protection of the internal circuitry in harsh environments
- PID control function
- Fire mode function
- Modbus master function
- Energy-saving function
Starting at $139.00
GS1 AC Minidrive
- 1/4 and 1/2 hp, 115 VAC (single-phase input)Low Voltage PWM
- 1/4, 1/2 and 1 hp, 230 VAC (single/three-phase input)
-
2 hp, 230 VAC
- Simple Volts/Hertz control
- 130% starting torque at 5 Hz
- Electronic overload protection
- Use of integrated potentiometer or keypad for local speed setting
- External analog input (0-10V, 0-20 mA or 4-20 mA)
- Three preset speeds
- Four programmable digital inputs
- One programmable relay output
- RS485 Modbus communications up to 19.2K
- Optional Ethernet communications IN-rail mountable
- Two-year replacement warranty
- UL, cUL, CE listed
Note: All AC drives have three-phase inputs and three-phase outputs, unless otherwise specified.
Starting at $115.00
WEG CFW300
- 1/4 to 1.5 hp, 115V (Single-Phase input)
- 1/4 to 3 hp, 230V (Single-Phase input)
- 1/4 to 5 hp, 230V (Three-Phase input)
- Scalar (V/Hz) or Sensor-less vector(VVW) control modes
- 1-ph and 3-ph input power
- Built-in keypad display (with optional Remote keypad)
- Memory Module for easy project transfer
- DIN-Rail or surface mount
-
Generous Built-in I/O:
- 6 Digital input points
- 1 Relay output point
- 1 Analog output channel
- Four expansion I/O modules available
-
Optional Communications modules
- RS-232
- RS-485
USB (config & programming only) - Zero-Stack mounting; no heat dissipation space required beside/between adjacent drives
- cUL, CE
Starting at $139.00
DURApulse GS20 and GS20X AC drives
- 1/4 to 1 hp, 115 VAC (single-phase input)
- 1/4 to 3 hp, 230 VAC (single-phase input)
- 1/2 to 3 hp, 230 VAC (single-phase input GS20X)
- 1/4 to 20 hp, 230 VAC (three-phase input)
- 1/2 to 7.5 hp, 230 VAC (three-phase input GS20X)
- 1/2 to 30 hp, 460 VAC (three-phase input)
- 1 to 10 hp, 460 VAC (three-phase input GS20X)
- 1 to 10 hp, 575 VAC (three-phase input)
-
The DURApulse GS20/GS20X series of AC drives includes many of the same standard features as our other GS
drives including dynamic braking, PID, removable keypad, and other features such as:
- V/Hz Control, Sensorless Vector Control, Field Oriented Control.
- Torque Control Mode
- 100kA short circuit current rating
- STO - Safe Torque Off
- Built-in PLC (up to 2,000 steps)
- Optional Ethernet communications Modbus TCP and Ethernet/IP
- Generous built-in I/O
- 2 Analog inputs, AI1: +/- 10VDC, 0-10VDC, 0-20mA/4-20mA, AI2: 0-10VDC, 0-20mA/4-20mA
- 1 analog output 0-10VDC
- 1 Frequency output
- 7 Digital inputs, 2 digital outputs, 1 relay output
- Zero-stack installation
- GS2 mode to ease with migration from GS2 VFDs (not supported on GS20X)
- GS20X adds NEMA4X enclosure and options NEMA 4X disconnect
- Two-year warranty
- UL, CE listed
Starting at $135.00
DURApulse GS3 AC Sensorless Vector Drives
- 1 hp to 3 hp, 230VAC (single/three-phase input)
- 5 hp to 50 hp, 230VAC
-
1 hp to 100 hp, 460 VAC
The DURApulse seres is a line of autotuning and sensorless vector control AC drives. All parameters are programmable via a removable keypad that will store up to four different application programs.
- V/Hz or sensorless vector control modes
- 150% starting torque
- Removable keypad
- Three analog inputs - (0-10V, -10 to +10 VDC or 4-20 mA/0 - 20 mA)
- 16 preset speeds
- 11 programmable digital inputs
- Four programmable outputs
- Optional encoder feedback card
- RS-485 Modbus communications up to 38.4K
- Optional Ethernet communications
- Two-year replacement warranty
- UL, CE listed
Starting at $261.00
DURApulse GS4 AC Sensorless Vector Drives
- 1-25 hp, 230VAC (single-phase input)
- 1-100 hp, 230VAC
-
1-300 hp, 460VAC
The DURApulse GS4 series of AC drives includes many of the same standard features as our other GS drives including dynamic braking, PID, removable keypad, and much more:
- V/Hz control or sensorless vector
- 100kA Short Circuit Current Rating (SCCR)
- 50℃ rating
- STO - Safe Torque Off (TUV certified)
- Built-in PLC (up to 10k rungs)
- Expanded I/O capability - 110V Inputs, Relay Outputs, combo DC I/O card
- Analog I/O - Configurable: 3 In and 2 Out
- Fire mode
- Circulatory control mode
- Field upgradeable firmware
- High speed communication interfaces with MODBUS RTU and BACnet protocols built in, with optional communication cards: MODBUS TCP, EtherNet/IP
- Two-year warranty
- CE, TUV, UL, cUL
Starting at $457.00
Advantages of AC Drives
- Save energy - Significant energy savings can be realized in many fan and pump applications that previously used dampers or ON/OFF control: AC drives allow motor speed to be fine-tuned to the process.
- Reduce start up current - controlling the inrush current at motor start-up allows the use of smaller fuses, and reduces electrical peak load.
- Reduce mechanical stress - controlled/smooth starting and stopping minimize mechanical shock and wear and tear on the system.
- Power factor - Motors have very poor power factors (especially at light loading). Drives significantly increase power factor (even at light loading) and can eliminate the need for power factor correction capacitors and/or utility power factor charges.
- Variable Speed and integrated functionality - AC drives can vary motor speed and direction by operator input (keypad buttons/speed control knob) or by digital and analog inputs (from pushbuttons/switches/pots or PLC outputs). Basic machine control can sometimes be performed in the drive (limit switches/sensors can be wired to the drive's inputs to control motor speed or direction).
Choose the AC drive
you need below
| DRIVE FAMILY | VOLTAGE PHASE | MOTOR HP | PART NO | PRICE |
|---|---|---|---|---|
WEG CFW100 VFDThe CFW100 is a single-phase input, three phase output variable frequency drive (VFD) developed for simple applications ranging from 1/4 to 1hp (0.18 to 0.75 kW). The CFW100 series features compact size and includes a built-in operator interface (HMI) and SoftPLC with free WPS programming software. A variety of plug-in option modules can be added to extend capabilities. |
120V 1PH | 0.25 | CFW100A01P6S120G2 | $158.00 |
| 0.5 | CFW100B02P6S120G2 | $171.00 | ||
| 240V 1PH | 0.25 | CFW100A01P6S220G2 | $139.00 | |
| 0.5 | CFW100B02P6S220G2 | $150.00 | ||
| 1 | CFW100C04P2S220G2 | $161.00 | ||
GS1Simple, basic AC drive. Built-in Modbus communication. Integrated keypad with speed control knob.1/4 to 2 HP |
120V 1PH | 0.25 | GS1-10P2 | $115.00 |
| 0.5 | GS1-10P5 | $126.00 | ||
| 230 1PH or 3PH | 0.25 | GS1-20P2 | $122.00 | |
| 0.5 | GS1-20P5 | $126.00 | ||
| 1 | GS1-21P0 | $144.00 | ||
| 230V 3PH | 2 | GS1-22P0 | $177.00 | |
WEG CFW300 VFDWEG CFW300 variable frequency drives are high performance VFDs for the three-phase induction motors. The CFW300 series features compact size with contactor-style electrical connections (top in / bottom out). The CFW300's performance can be scaled to match the application by selecting WEG vector control (VVW) or scalar control (V/F). |
110-127V 1PH | 0.25 | CFW300A01P6S1NB20 | $158.00 |
| 0.50 | CFW300A02P6S1NB20 | $171.00 | ||
| 1.00 | CFW300A04P2S1NB20 | $181.00 | ||
| 1.50 | CFW300A06P0S1NB20 | $220.00 | ||
| 200-240 1PH | 0.25 | CFW300A01P6S1NB20 | $158.00 | |
| 0.50 | CFW300A02P6S1NB20 | $171.00 | ||
| 1.00 | CFW300A04P2S1NB20 | $181.00 | ||
| 1.50 | CFW300A06P0S1NB20 | $220.00 | ||
| 2.00 | CFW300A07P3S2NB20 | $236.00 | ||
| 3.00 | CFW300B10P0B2DB20 | $282.00 | ||
| 200-240 3PH | 0.25 | CFW300A01P6T2NB20 | $149.00 | |
| 0.50 | CFW300A02P6T2NB20 | $165.00 | ||
| 1.00 | CFW300A04P2S2NB20 | $161.00 | ||
| 1.50 | CFW300A06P0T2NB20 | $209.00 | ||
| 2.00 | CFW300A07P3S2NB20 | $236.00 | ||
| 3.00 | CFW300A01P6T2NB20 | $149.00 | ||
| 5.00 | CFW300A02P6T2NB20 | $165.00 | ||
GS20/GS20XThe GS20 VFD is a high-performance drive available at a great cost. The GS20 comes available in input voltages from 115VAC and 230VAC single-phase as well as 230VAC, 460VAC, and 575VAC, 3-phase. The horsepower range for the GS20 is from 0.25 to 30 HP. The GS20 supports GS2 mode which allows the GS20 to have the same parameter set as the GS2 and thus behaves like a drop-in replacement for the existing GS2 models. The GS20X offers the same functionality as the GS20 with a NEMA 4X rated enclosure. |
115V 1PH | 0.25 | GS21-10P2 | $144.00 |
| 0.50 | GS21-10P5 | $153.00 | ||
| 1.00 | GS21-11P0 | $171.00 | ||
| 230V 1PH | 0.25 | GS21-20P2 | $135.00 | |
| 0.50 | GS21-20P5 | $138.00 | ||
| 1.00 | GS21-21P0 | $155.00 | ||
| 2.00 | GS21-22P0 | $188.00 | ||
| 3.00 | GS21-23P0 | $225.50 | ||
| 230V 3PH | 0.25 | GS23-20P2 | $152.00 | |
| 0.50 | GS23-20P5 | $160.00 | ||
| 1.00 | GS23-21P0 | $164.50 | ||
| 2.00 | GS23-22P0 | $190.50 | ||
| 3.00 | GS23-23P0 | $237.50 | ||
| 5.00 | GS23-25P0 | $245.50 | ||
| 7.50 | GS23-27P5 | $373.50 | ||
| 10.00 | GS23-2010 | $455.50 | ||
| 15.00 | GS23-2015 | $567.50 | ||
| 20.00 | GS23-2020 | $791.50 | ||
| 460V 3PH | 0.50 | GS23-40P5 | $172.00 | |
| 1.00 | GS23-41P0 | $176.50 | ||
| 2.00 | GS23-42P0 | $203.00 | ||
| 3.00 | GS23-43P0 | $227.00 | ||
| 5.00 | GS23-45P0 | $276.50 | ||
| 7.50 | GS23-47P5 | $379.50 | ||
| 10.00 | GS23-4010 | $428.50 | ||
| 15.00 | GS23-4015 | $567.50 | ||
| 20.00 | GS23-4020 | $675.00 | ||
| 25.00 | GS23-4025 | $835.00 | ||
| 30.00 | GS23-4030 | $954.50 | ||
| 575V 1PH | 1.00 | GS23-51P0 | $202.50 | |
| 2.00 | GS23-52P0 | $233.50 | ||
| 3.00 | GS23-53P0 | $275.00 | ||
| 5.00 | GS23-55P0 | $355.50 | ||
| 7.50 | GS23-57P5 | $466.00 | ||
| 10.00 | GS23-5010 | $526.50 | ||
| 230V 1PH NEMA 4X rating | 0.50 | GS21X-20P5 | $216.00 | |
| 1.00 | GS21X-21P0 | $241.00 | ||
| 2.00 | GS21X-22P0 | $291.00 | ||
| 3.00 | GS21X-23P0 | $361.00 | ||
| 230V 3PH NEMA 4X rating | 0.50 | GS23X-20P5 | $234.00 | |
| 1.00 | GS23X-21P0 | $247.00 | ||
| 2.00 | GS23X-22P0 | $305.00 | ||
| 3.00 | GS23X-23P0 | $359.00 | ||
| 5.00 | GS23X-25P0 | $393.00 | ||
| 7.50 | GS23X-27P5 | $597.50 | ||
| 460V 3PH NEMA 4X rating | 0.50 | GS23X-40P5 | $275.50 | |
| 1.00 | GS23X-41P0 | $284.00 | ||
| 2.00 | GS23X-42P0 | $326.50 | ||
| 3.00 | GS23X-43P0 | $363.00 | ||
| 5.00 | GS23X-45P0 | $442.00 | ||
| 7.50 | GS23X-47P5 | $607.50 | ||
| 10.00 | GS23X-4010 | $685.50 | ||
GS3Sensorless Vector AC Drive with many advanced features: Modbus communications, PID control, motor autotune, DC injection braking, multiple analog speed inputs (trim). Detachable keypad with Forward/Reverse control can store/transfer up to 4 separate drive configurations.1 to 100 HP |
230V 1PH or 3PH | 1 | GS3-21P0 | $261.00 |
| 2 | GS3-22P0 | $316.00 | ||
| 3 | GS3-23P0 | $376.00 | ||
| 230V 3PH | 5 | GS3-25P0 | $432.00 | |
| 7.5 | GS3-27P5 | $594.00 | ||
| 10 | GS3-2010 | $754.00 | ||
| 15 | GS3-2015 | $961.00 | ||
| 20 | GS3-2020 | $1,194.00 | ||
| 25 | GS3-2025 | $1,403.00 | ||
| 30 | GS3-2030 | $1,607.00 | ||
| 40 | GS3-2040 | $2,353.00 | ||
| 50 | GS3-2050 | $2,942.00 | ||
| 460V 3PH | 1 | GS3-41P0 | $349.00 | |
| 2 | GS3-42P0 | $389.00 | ||
| 3 | GS3-43P0 | $417.00 | ||
| 5 | GS3-45P0 | $462.00 | ||
| 7.5 | GS3-47P5 | $663.00 | ||
| 10 | GS3-4010 | $794.00 | ||
| 15 | GS3-4015 | $1,035.00 | ||
| 20 | GS3-4020 | $1,260.00 | ||
| 25 | GS3-4025 | $1,496.00 | ||
| 30 | GS3-4030 | $1,698.00 | ||
| 40 | GS3-4040 | $2,164.00 | ||
| 50 | GS3-4050 | $2,634.00 | ||
| 60 | GS3-4060 | $3,016.00 | ||
| 75 | GS3-4075 | $3,384.00 | ||
| 100 | GS3-4100 | $3,782.00 | ||
GS4Our most advanced Sensorless Vector AC Drive with all the features above, PLUS: 100kA SCCR Rating, 50°C rating, Safe Torque Off (TUV certified), a built-in PLC, fire mode, circulatory control mode, field upgradeable firmware, high speed communication interfaces: MODBUS RTU, BACnet, and optional MODBUS TCP or EtherNet/IP.1 to 300 HP |
230V 1PH or 3PH | 1 | GS4-21P0 | $457.00 |
| 2 | GS4-22P0 | $505.00 | ||
| 3 | GS4-23P0 | $568.00 | ||
| 5 | GS4-25P0 | $643.00 | ||
| 7.5 | GS4-27P5 | $727.00 | ||
| 10 | GS4-2010 | $812.00 | ||
| 15 | GS4-2015 | $980.00 | ||
| 20 | GS4-2020 | $1,380.00 | ||
| 25 | GS4-2025 | $1,500.00 | ||
| 30 | GS4-2030 | $1,701.00 | ||
| 40 | GS4-2040 | $3,001.00 | ||
| 50 | GS4-2050 | $3,449.00 | ||
| 60 | GS4-2060 | $4,599.00 | ||
| 75 | GS4-2075 | $5,165.00 | ||
| 100 | GS4-2100 | $6,018.00 | ||
| 460V 3PH | 1 | GS4-41P0 | $466.00 | |
| 2 | GS4-42P0 | $505.00 | ||
| 3 | GS4-43P0 | $559.00 | ||
| 5 | GS4-45P0 | $651.00 | ||
| 7.5 | GS4-47P5 | $727.00 | ||
| 10 | GS4-4010 | $802.00 | ||
| 15 | GS4-4015 | $953.00 | ||
| 20 | GS4-4020 | $1,208.00 | ||
| 25 | GS4-4025 | $1,458.00 | ||
| 30 | GS4-4030 | $1,667.00 | ||
| 40 | GS4-4040 | $2,094.00 | ||
| 50 | GS4-4050 | $2,530.00 | ||
| 60 | GS4-4060 | $2,959.00 | ||
| 75 | GS4-4075 | $3,431.00 | ||
| 100 | GS4-4100 | $4,701.00 | ||
| 125 | GS4-4125 | $6,434.00 | ||
| 150 | GS4-4150 | $7,240.00 | ||
| 175 | GS4-4175 | $6,967.00 | ||
| 200 | GS4-4200 | $7,981.00 | ||
| 250 | GS4-4250 | $10,931.00 | ||
| 300 | GS4-4300 | $11,167.00 |
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