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Drives & Soft Starters > AC Variable Frequency Drives (VFD) > Washdown (NEMA 4X)

In Depth

NEMA 4X AC Variable Frequency Drives (VFD)

NEMA 4X rated variable frequency drives (VFD) enable speed control for three-phase AC motors such as those in conveyors, fans, pumps, and material handling, and are suitable for washdown-duty applications. They offer V/Hz, sensorless vector or field oriented vector control up to 30hp. A full line of accessories ensures a reliable installation.

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NEMA 4X AC Drives

WEG CFW500 ... New!

WEG CFW500 series drives are high-performance AC variable frequency drives that support closed-loop flux vector speed control as well as torque control modes and can operate both AC Induction motors and permanent magnet AC motors. These models are offered in an IP66/NEMA 4X enclosure up to 20 hp. Drives with high-performance features such as these have typically had long lead times, but now you can get them shipped direct from stock at AutomationDirect.com.

The CFW500 provides a broad range of input voltages and horsepower models to select from

200-240VAC 1-phase up to 3hp, 3-phase up to 10hp
380-480VAC 3-phase up to 20hp

Control Modes include Scalar, Vector Control (Sensorless and closed-loop with encoder feedback), and VVW PM (suitable for fan, pump and compressor)

Speed and torque control down to 0 (zero) rpm & precision of 0.01% for speed control are attainable with closed-loop encoder feedback using vector control
0 to 500 Hz output frequency range
2.5 to 15 kHz adjustable switching frequency (5 kHz standard)

Advanced control features are available for applications where you need more than basic accel & decel.

Speed and torque control down to 0 (zero) rpm & precision of 0.01% for speed control are attainable with closed-loop encoder feedback using vector control
Linear and "S" ramp acceleration and deceleration
Local/remote control
DC braking
Torque boost
Motor slip compensation
Electronic pot, preset speeds & Jog modes
Adjustable V/Hz profile
Maximum and minimum adjustable frequency limits
Two skip frequencies
Adjustable output current limit
Flying start / ride-thru
PID regulator & PID sleep mode
AC Induction motors or Permanent magnet AC (PMAC) motor support

NEMA 4X (IP66) features

For washdown applications and protected against high-pressure water spray from multiple directions
Rated and suitable for use in direct sunlight, a unique feature not found often in VFDs
Direct machine mount. This saves you money on additional enclosure space and shortens the length of your motor leads, which not only saves you money, but also lessens the severity of harmonics created by long leads that are damaging to motors

High-performance built-in features

Built-in SoftPLC (Same programming software as other WEG VFDs CFW-WPS)
Built-in RS-485 (Modbus RTU) communication
Plenty of built-in I/O, expandable with option modules
Built-in 24VDC power supply (max. 150 mA)

Optional Accessories and features

STO - Safe Torque Off (TUV certified) with option module
Keypad with backlight, with main display line, secondary display line and bar graph display

CFW500 series drives start at
$205.00
(15570800)

CFW500 Drives

IronHorse ACN NEMA 4X AC Drives ... New!

The ACN series of NEMA 4X sensorless vector AC drives bridge the gap between a micro drive and high-performance VFD. These AC drives have features normally only found on more expensive drives, in a NEMA 4X enclosure and at a great price.

These drives offer an advanced remote keypad, Ethernet option cards so the drive can communicate over Modbus TCP and EtherNet/IP, and the option to configure and program using the free, user-friendly VFD Suite software.

ACNxx series drives support 4 control modes which include V/Hz, slip compensation, sensorless vector and torque control.

230VAC: three-phase up to 20hp, single phase up to 10hp
460VAC: three-phase up to 30hp, single-phase up to 15hp
Single-phase UL Ratings - 230 or 460 VAC input
Can be used with AC induction motors or permanent magnet AC motors (PMAC)
Lockable, integrated disconnect or no-disconnect models
Output frequency to 400Hz (120Hz sensorless vector)
STO - Safe Torque Off (SIL2)
Built-in user sequence programming of 18 steps
Optional LCD text-based keypad can be remotely mounted with IP66 case
Local/Remote control mode selection or digital/comm input with Hand/Off/Auto control
Momentary power loss restarts
Analog I/O - configurable 2 Inputs and 1 output
2-motor control
Built-in dynamic braking
PID controller - including sleep and wake
High speed communication interfaces with MODBUS RTU built-in, with optional EtherNet/IP and ModbusTCP communication card
Fire Mode - Run fire mode during emergencies to have uninterrupted smoke removal and system pressure

ACN NEMA 4X AC Drives start at
$189.00
(ACNND-20P5)

ACN Series NEMA 4X AC Drives

ACN Series Drives Accessories

DURApulse GS20X
NEMA 4X AC Drives

The DURApulse GS20X new generation high performance vector control drives provide many standard and advanced functions - all in a compact unit that has been reduced 40% in size. The NEMA 4X version provides service in the harshest of environments.

The drives include many of the same standard features as our GS family of drives including dynamic braking, PID, and RS-485 Modbus communication.

The GS20X drive expands the DURApulse family by adding single-phase input capability (ALL 230VAC drives can be supplied single-phase), a built-in PLC, and optional EtherNet/IP and ModbusTCP communication card. The drive supports up to four (4) independent IM motor parameter sets or supports control of a single AC PM motor.

DURApulse GS20X AC drives offer several different speed control modes: standard V/Hz with pulse input feedback, sensorless vector (SVC) for Induction Motors (IM) and Permanent Motors (PM), and ultra-precise Field Oriented Vector control (FOC) for maximum open loop speed regulation control.

Compact modular design
NEMA 4X available up to 10hp
Single-phase/three-phase 230VAC up to 7.5hp
Three-phase 460VAC up to 10hp
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 & communication option card)
Optional LCD keypad
Momentary power loss restarts
100kA Short Circuit Current Rating
Digital I/O - configurable (7) digital inputs (including one pulse train input up to 33kHz); (2) digital outputs
(1) SPDT relay output
(1) frequency output
(2) STO inputs
Analog I/O - configurable (2) Inputs and (1) Output
Multi-motor control (4 total)
Built-in dynamic braking - optional resistors
PID controller - including sleep and wake
Option card slot for backup control power card, or Ethernet/IP or Modbus TCP communication card