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EZ VFD® Variable Frequency AC Drive

New! Easy to Use Variable Frequency Drive

The EZ VFD® variable frequency drive from Dart Controls is the easiest to use VFD on the market today.  Yet, it offers all the features you need to control your 3-phase AC motor, including:  Soft Start, Boost, Forward-Reverse, Brake, and much more.  Universal input voltage from 110-240VAC, 50-70Hz.  Multi-level Current Limit (MCL)™ circuit provides industry-best drive protection.  Available in both open chassis and NEMA 4X enclosed, the EZ VFD® variable frequency drive eliminates the complexity of controlling the speed of your 3-phase AC motor.

  • Power Factor Correction (PFC) energy saving circuit
  • Chassis and hard to find NEMA 4X versions
  • Optional Run Relay output
  • Power and Diagnostic LED's
  • Tamper Proof optional Removable Trimpot Board
  • Multi-Level Current Limit (MCL)™
  • Chemical and UV Resistant NEMA 4X
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150 Series OEM DC Motor Speed Control

New! The NEW Enclosed Digital Pot 150 Series is Available Now**

  • Single or Dual Voltage 120/240 VAC, 50/60Hz
  • Adjustable horsepower settings
  • Male spade terminations standard
  • Full wave bridge supply
  • 1% speed regulation, ±1/2% with tach feedback
  • Adjustable Minimum speed
  • Adjustable Maximum speed
  • Adjustable IR Compensation
  • Adjustable Current Limit
  • Adjustable Acceleration
  • Adjustable Deceleration
  • Line voltage compensation
  • 5K ohm speed pot, knob & dial plate included
  • 50:1 speed range
  • Overload capacity: 200% for one minute
  • Transient voltage protection
  • Voltage following mode
  • Inhibit circuit
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125D 1HP DC Speed Control

  • Dual Voltage 120/240 VAC, 50/60Hz
  • Adjustable horsepower settings
  • Barrier terminal strip (Option for 153D Series)
  • Full wave bridge supply
  • 1% speed regulation, ±1/2% with tach feedback
  • Adjustable Minimum speed
  • Adjustable Maximum speed
  • Adjustable IR Compensation
  • Adjustable Current Limit
  • Fixed Acceleration
  • Optional Adjustable Acceleration/Deceleration (standard for 153D Series)
  • Line voltage compensation
  • 5K ohm speed pot, knob & dial plate included
  • 50:1 speed range
  • Overload capacity: 200% for one minute
  • Transient voltage protection
  • Voltage following mode
  • Inhibit circuit
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125DV200E 2HP NEMA 4X Enclosed

  • UL Listed, all models
  • MOV transient protection
  • Adjustable linear ACCEL and DECEL adjustment
  • Adjustable minimum and maximum speed limits
  • Adjustable Current Limit and IR Compensation
  • Line fused
  • Power ON/OFF switch
  • Power "ON" indicator
  • NEMA 4X enclosure
  • Auto Sensing Dual Voltage 120/240VAC input
  • Output Voltage 0-90/180Vdc
  • 1% speed regulation; 50:1 range
  • HP adjustable over 1/4 to 2HP range – no jumpers or resistors to change
  • Overload capacity 200% for 1 minute
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253G 2HP NEMA 4 DC Speed Control

  • Dual voltage - 120/240 VAC, 50/60Hz
  • Adjustable horsepower settings
  • Barrier terminal strip
  • Packaged bridge supply (fullwave)
  • 1% speed regulation; ±1/2% with tach feedback
  • Adjustable Minimum speed
  • Adjustable Maximum speed
  • Adjustable IR Compensation
  • Adjustable Linear Acceleration
  • Adjustable Current Limit
  • Line voltage compensation
  • 5K ohm speed pot, knob and dial included
  • Power on/off switch (enclosed models)
  • 50:1 speed range
  • Overload capacity: 150% for one minute
  • Transient voltage protection
  • Inhibit circuit
  • Enclosed models rated NEMA 4/12
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15 Series FHP DC Speed Control

  • Dual voltage models of 12/24 VAC or 120/240 VAC input
  • Full wave bridge power supply > Adjustable Minimum speed
  • Adjustable Minimum speed
  • Adjustable Maximum speed
  • Adjustable IR Compensation
  • Fixed Acceleration
  • 5K ohm speed pot, knob & dial included
  • 25:1 speed range
  • 1% speed regulation
  • Overload capacity of 200% for 1 minute
  • Transient voltage protection
  • AC line fuse (Enclosed)
  • Power on/off switch and light (Enclosed)
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130 Reversing DC Speed Control

  • Adjustable horsepower settings
  • Barrier terminal blocks
  • Full wave bridge supply
  • Adjustable Min speed
  • Adjustable Max speed
  • Adjustable IR compensation
  • Adjustable current limit
  • Fixed accel (0.5 sec)
  • Line voltage compensation
  • 5K speed pot, dial and knob included
  • 50:1 speed range
  • Overload capacity: 200% for 1 min
  • Transient voltage protection
  • Onboard dynamic brake resistor
  • Automatic DB on power loss
  • 1% speed regulation
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530B 3HP DC Speed Control

  • Dual 120/240 VAC, 50/60Hz via slide selector switch
  • Adjustable horsepower settings
  • Barrier terminal strip
  • Packaged bridge supply (fullwave)
  • 1% speed regulation; ±1/2% with tach feedback
  • Adjustable Minimum speed
  • Adjustable Maximum speed
  • Adjustable IR Compensation
  • Adjustable Linear Acceleration (0.3 to 12 sec.)
  • Adjustable Linear Deceleration (0.6 to 12 sec.)
  • Adjustable Current Limit
  • Line voltage compensation
  • 5K ohm speed pot, dial and knob included
  • 50:1 speed range
  • Overload capacity: 200% for one minute
  • Transient voltage protection
  • Inhibit circuit
  • Enclosed models rated NEMA 4/12
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MD10 / MD3 Digital DC Drive

  • Adjustable min/max
  • Adjustable accel/decel
  • Closed-Loop digital speed regulation
  • Programmable power-up drive settings
  • Drive Inhibit mode
  • Jog function
  • Non-volatile memory preserves settings
  • Factory default restore function
  • User-default restore function
  • Front-panel parameter lockout
  • Programmable display in any rate or time units
  • Custom front panel artwork available
  • NEMA 4X rating both panel mount and stand alone enclosed models
  • Universal power supply - any input 85–265 VAC
  • Two (2) user-defined alarm contact outputs
  • Multiple operational modes: Rate, Time, Follower
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MD40 / MD50 Digital DC Drive

  • 1/50 to 2.0 adjustable HP range
  • Universal power supply supports 85-265 VAC in
  • 1/8 or 1/4 DIN panel mount with NEMA 4X faceplate, NEMA 4X stand-alone enclosure
  • Front panel field-programming (with lock-out jumper)
  • Display speed in any engineering unit of measure
  • Two alarm relay outputs (form C, 5 Amp @ 250 VAC)
  • Large 1/2˝ LED display
  • Master/Follower modes
  • Displays set point or actual running speed
  • Adjustable PID settings
  • Optional your company name/ logo on the cover
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DP4 Digital Potentiometer

  • Field programmable Rate or Time modes
  • Inhibit function
  • Jog function
  • Factory default restore
  • User-default storage and restore
  • NEMA 4X Rating (with supplied gasket)
  • Supports bidirectional connections for regenerative drives
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ASP10 Digital Potentiometer

  • Sync two or more motor speeds
  • Programmable accel/decel rates
  • Programmable P-I parameters
  • Pulse feedback required - up to 50K/min
  • Configurable power-up modes
  • Inhibit mode
  • Jog mode
  • User-friendly menu driven programming from front panel
  • Parameter lockout to save settings
  • Programmable display units and decimal point
  • Custom display bezel artwork available
  • NEMA 4X Rating (with supplied gasket)
  • Dual Supply 120/240VAC
  • User configured output for status and diagnostics
  • Non-volatile memory
  • Factory default restore
  • User-default restore
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ASP40 Digital Potentiometer

  • Sync two or more motor speeds
  • Interfaces with any drives (AC/DC) that accepts 3-wire speed pot input
  • Ideal for PLC/SCADA controlled systems
  • Digital closed-loop P-I-D algorithm delivers accuracy of ± 1/2 pulse (feedback)
  • Optional open-loop operation available
  • Non-volatile memory maintains user configuration
  • Field programmable
  • Speed profile parameters include MIN, MAX, ACCEL, DECEL
  • Programming lockout feature
  • Universal power supply accepts any line voltage inputs from 85-250VAC @ 50-60Hz
  • Transient voltage protection
  • Compatible with many speed sensors
  • Two programmable alarm/status outputs
  • Configurable user inputs support Inhibit, Emergency-Stop, and Jog functionality
  • Large 4 digit, 1/2” LED display configurable in rate or time units, including decimal point
  • Multiple operating modes including Master and Follower
  • NEMA 4X when used with gasket (provided)
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DP10 Signal Conditioner / Generator

  • Signal converter (mA to voltage or vice-versa)
  • Signal attenuator (0-100% scaling of input signal, voltage or mA)
  • Signal generator (volts or mA)
  • mA loop power provided
  • Scalable display in engineering units
  • Configurable front panel lockout feature
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700BDC/730BDC Brushless DC Motor Control

  • Adjustable MIN and MAX speed; CURRENT LIMIT
  • Adjustable ACCEL/DECEL (703B/ 733B only)
  • 150% overload for 30 seconds
  • Field selectable motor hall spacing
  • 50:1 speed range
  • FWD/ REV feature
  • BRAKE feature (730B Series only)
  • Current Limit Latch feature (733BDC only)
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BLM700 Brushless DC Drive /Tachometer

  • Microprocessor-based design
  • Digital closed-loop algorithm accuracy of ±1/2 RPM of set speed or equivalent
  • Non-volatile memory maintains drive settings on power loss
  • Factory or field programmable via front-panel keypad
  • Control profile settings include MIN and MAX speed, ACCEL, DECEL, display units, and more
  • Programming lockout feature
  • Transient voltage protection
  • Self-contained power supply for speed pickups
  • Large 4 digit, 1/2” LED display
  • Durable NEMA 4X rated aluminum housing with Polycarbonate membrane and gasket
  • Ambient temperature range of -10°C to 45°C
  • Multiple operating modes including: Master, Rate Mode – Controls in rate unit such as RPM, Gallons per Minute, etc. Master, Time Mode –Controls in time unit such as HH:MM, MM:SS, SS:TT, or other unit
  • 60 or 120 Hall Sensor spacing - jumper selectable
  • Forward or Reverse rotation of motor is jumper selectable
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65E Low Voltage PWM DC Motor Control (20A)

Compact PWM motor speed control for low voltage applications
Rated for 10 or 20 amps continuous current, the 65E10/65E20 Series are compact PWM controls for 12 thru 48 volt DC (jumper selectable) battery powered applications. Features include adjustable maximum speed, minimum speed, current limit, I.R. compensation, and acceleration, plus a quiet operating frequency of 18kHz. NEW FEATURES include current limit shutdown and drive status LED’s.

  • Smooth, quiet 18kHz switching
  • NEMA 4X enclosed models
  • Saves battery charge for longer operation / life
  • High efficiency MOSFET's reduce voltage drop
  • Speed regulation is ±1% of base speed
  • Adjustable MAX and MIN speed; IR COMP; CUR LIM; ACCEL
  • Accepts 0-10Vdc speed signals
  • Inhibit input for low power start/stop switching
  • Current limit shutdown and output
  • Supply voltage and Current Limit status LED's
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65E Low Voltage PWM DC Motor Control (60A)

PWM motor speed control for low voltage applications rated to 2000W
65E Series standard features include: Adjustable MIN, MAX, ACCEL, IR COMP, and CUR LIM, low battery compensation, analog armature feedback, speed potentiometer with leads, knob and dial plate. Available for 12 thru 36DVC, 40 and 60 Amp continuous motor ratings.

  • Saves battery charge for longer operation / life
  • High efficiency MOSFET's reduce voltage drop
  • Speed regulation is ±1% of base speed
  • Adjustable MAX and MIN speed; IR COMP; CUR LIM; ACCEL
  • Accepts 0-10Vdc speed signals
  • Inhibit input for low power start/stop switching
  • Current limit
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PU Series Encoder

  • Popular encoder with 1 to 20 PPR output
  • NPN, Sinking Source, 5-24VDC
  • For indoor (PU-E Series) and outdoor / wash down applications (PU-R Series)
  • Drill and tap, single bolt installation
  • No alignment necessary
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55AC Triac AC Motor Speed Control

  • Controls most single phase AC motors and resistive loads, not designed for capacitor start motors
  • For vibratory feeder, fan, pump, heating, and lighting industries. All models feature single-phase AC input and fully variable AC output
  • Enclosed version includes power on/off switch, power on indicator lamp and front access fuse
  • Triac switching to vary output phase and thus speed of (compatible)
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DM8000 4-in-1 Programmable Tachometer

New! Shared Display Tachometer Accepts Two Speed Inputs

  • Big, bright 1/2" LED display
  • Scalable Rate, % and Time units
  • Single, or dual encoder input with shared display
  • Multi-purpose tachometer, counter, totalizer or Zero speed Switch
  • Single (std) or two relay alarm output
  • Up to NEMA 4X rating (determined by cabinet)
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