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General purpose variable frequency drives (VFD) enable speed control for three-phase AC motors such as those in conveyors, fans, pumps, and material handling. Available in capacities up to 30hp, various models offer V/Hz, sensorless vector or field oriented vector control modes. A full line of accessories ensures a reliable installation.
General Purpose AC Drives
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General purpose variable frequency drives (VFD) offer speed control for AC motors in a wide variety of industrial and commercial applications.
For part listings and specifications, go to Shop Now
General Purpose AC Drives Overview
WEG CFW300 AC Drives
WEG CFW300 variable frequency drives are high-performance VFDs for three-phase induction motors. They are ideal for applications on machines or equipment that require precise variable-speed control with easy setup and operation.
The CFW300 series features a compact size and includes a built-in operator interface (HMI) and SoftPLC with free WPS programming software. A variety of plug-in option modules for additional I/O and communications protocols can be added to extend capabilities.
- Single-phase and three-phase power supply
- DIN rail (35mm) or surface mounting with screws
- Side-by-side mounting; no heat dissipation space required
-
Voltage range:
- 1-phase models: 110-127 VAC & 200-240 VAC
- 3-phase models: 200-240 VAC
- Control mode: scalar (V/Hz) or voltage vector (VVW)
- Switching frequency: 2.5, 5, 10, or 15kHz
- Output frequency range: 0-400 Hz; 0.1Hz resolution
- 150% overload for 60 seconds, 200% for 3 seconds every 10 minutes
- IP20 protection
- Integrated brake chopper for frame size B (not available size A)
- Local keypad built-in, remote keypad optional
- cUL, CE
Starting at
$158.00
(CFW300A01P6S2NB20)
DURApulse GS20 AC Drives
The DURApulse GS20 series high-performance vector control drives provide many common as well as advanced functions, all in a very compact unit. Features include dynamic braking, PID, removable keypad, and RS-485 Modbus communications.
GS20 drives also offer single-phase input capability (all 230VAC drives can be supplied single-phase), a built-in PLC, and optional EtherNet/IP / ModbusTCP communication card.
DURApulse GS20 AC drives offer several speed control modes:
- Standard V/Hz with pulse input feedback
- In Sensorless vector control mode (SVC), the drive supports up to four (4) independent Induction Motor (IM) parameter sets or supports control of a single AC Permanent Magnet (PM) motor
- Ultra-precise Field Oriented Vector control (FOC) for maximum open loop speed regulation control
Expansive features include:
- Ratings from 1/10hp to 30hp
- Single-phase 120VAC up to 1hp
- Single-phase/three-phase 230VAC up to 20hp
- Three-phase 460VAC and 575VAC
- Flexible carrier frequency to 15khz and output frequency to 600Hz
- Speed control potentiometer built in
- Built-in PLC to support up to 2K steps
- Built-in USB port for fast, easy programming
- Free downloadable software for drive configuration and PLC programming
- Field-upgradable firmware (drive and communication option card)
- Optional LCD keypad
- Momentary power loss restarts
- 100kA SCCR
- (7) digital inputs (including one pulse train input up to 33kHz), (2) digital outputs, (1) SPDT relay output, and (2) STO inputs
- Analog I/O - configurable input type, (2) inputs and (1) output
- (1) frequency output
- Option slot supports backup control power option card, or EtherNet/IP / Modbus TCP communication option card
- Multi-motor control (4 total)
- Built-in dynamic braking (optional resistors)
- PID controller, including sleep and wake functions
- GS2 mode duplicates exact parameter configuration of GS2 series
Starting at
$141.00
(GS21-20P2)
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