Variable Frequency Drive Systems and Controls

In 1968, Variable Frequency Drive Co. began its operation and over the last 39 years has grown to be a National Supplier within its industry. Since the doors opened, Variable Frequency Drive Co. has been dedicated to providing the highest quality equipment and customer service. Long before any of us heard of « Energy Efficient », Variable Frequency Drive Co. was making products that significantly reduced power consumption. With our highly trained engineers and technical staff, we can provide solutions for existing drive problems and new applications. We can provide solutions that may be helpful for sizing a drive to a target horsepower, a specific current or voltage needed.

Power and harmonic issues can be addressed and corrected through the use of isolation transformers, reactors and filter packages. We can customize control and analog circuitry to be integrated with existing engineered specifications. Our experienced specialists will work closely with you to help specify the very best variable frequency drive for you. We distribute a wide range of high quality variable frequency drives daily from regional warehouses at wholesale prices.

Highest Quality Brand Variable Frequency Drives

All work is performed following our quality assurance system (based on the ISO9001:2000 Standard). No matter what your variable frequency drive needs, we can help you select the very best brand and model. We have a full range of types and models to choose from, including leading brands from Baldor and WEG. Enjoy the security of using the best brands’ products with the finest technical support.

Knowledgeable & Friendly Variable Frequency Drive Selection Assistance

As previously mentioned, our staff is dedicated to providing you the highest quality service and products. We believe service must exceed expectations by offering accurate answers and solutions before they’re needed. Our industry leading CD-ROM and web sites makes information immediately accessible to all our customers. We built our business and reputation by helping customers with friendly and knowledgeable assistance. Put our years of experience to work for you and give us a call to help select the variable frequency drive to meet your application’s specific needs.

Custom VFDs Built To Your Specification

If you require a variable frequency drive not offered by one of our manufacturers, we can help build you a custom one to meet your needs. Our trained staff can determine your needs and have it built to your specs. Our unique manufacturing process allows the availability for delivery in an industry-best, three weeks or less. We offer one of the fastest turnaround times in the industry.

Need Variable Frequency Drives Fast? We Offer Quick Nationwide and International Shipping from Regional Warehouses

With warehouses stocking a wide variety of variable frequency drives throughout the country, we can ship your order to you ASAP. Time is a factor that plays an increasingly vital role in our customers’ businesses. Quality, service, and cost mean little if our customers can’t get our products or information when they require them. Let us know what your time table and deadlines are and we will work diligently to meet them.

Contact our experienced variable frequency drive specialists at Variable Frequency Drive Co. at 510-490-2187 to get your quote, place your order and arrange for shipping. Our electrical specialists are standing by and ready to help


P R O D U C T S                 O F F E R E D

Variable Frequency Drive Basics

Learn the basics of what is a Variable Frequency Drive. What applications they are used for and how they work. Variable speed drive technology offers a cost-effective method to match driver speed to load demands and represents a state-of-the-art opportunity to reduce operating costs and improve overall productivity.

AC Variable Frequency Drives

The AC Variable Frequency Drive market had becomes huge in the last decade. Due to the great advances in electronics and high power microprocessors the demands for highly reliable AC power has grown.The main power components of an AC drive, have to be able to supply the required level of current and voltage in a form the motor can use. The controls have to be able to provide the user with necessary adjustments such as minimum and maximum speed settings, so that the drive can be adapted to the user’s process.

Variable Frequency Drive Motors

Solid state electronic AC motor drives are becoming increasingly more commonplace within industrial and commercial facilities. They control air handlers, chillers, pumps, conveyors, machine tools, mixers, draw lines, and numerous other applications once considered either strictly DC applications, or constant speed. This site offers you the knowledge and technology of Variable Frequency Drive Motors.

WEG Variable Frequency Drives

WEG offers a wide varieties of Variable Frequency Drive and the most advanced technological. Today WEG has become one of the largest electric motors manufacturer . WEG has state-of-the-art manufacturing processes plus the company philosophy which is based on work and discipline and the most demanding total quality programs. Back my each employees committed to ultimate customer satisfaction.

Baldor Variable Frequency Drives

Offering quality Variable Frequency drives including AC inverters and vector controls, DC SCR controls, servos and positioning products. For optimal performance, They matched motor and control packages to suit the customer’s needs .At Baldor, they provide advanced, high quality products for diverse industrial applications.

Soft Start Drives

A soft starter is another form of reduced voltage starter for A.C. induction motors. The soft starter is similar to a primary resistance or primary reactance starter in that it is in series with the supply to the motor. (Three wire or standard connection) The current into the starter equals the current out.


Baldor Soft Start Variable Frequency Drives & AC Controls

Baldor Drives offers a complete selection of AC Motor Controls. Starting at 1/100 HP going up to 800 HP with custom controls build up to 1500 HP. From basic analog soft starts to full fledged Vector technology. Baldor invests in the latest technology to ensure the highest level of quality in all our products. Baldor technician uses an optical comparator to test a motor lamination to an accuracy of 1/100th of an inch. Each control is designed and manufactured to be the most reliable you can buy. Read more about all of the Baldor Variable Frequency Drives & AC Controls.
Variable Frequency Drives


Baldor VS1SP Inverter Drive

The VS1P AC Drive is one of the most popular variable speed motor controls because of it’s easy out- of- the-box applications, it uses a traditional inverter V/Hz control methods. Typical applications where multiple motors are operated simultaneously from one motor control, including pumps, fans, and general machinery applications. Read more about the Baldor VS1SP Inverter Drives. Baldor VSISP Inverter Drive Motor


Baldor VS1SP Washdown Inverter Drive
The VS1SP AC Drive offers easy setup, quick startup with a traditional inventor V/Hz control method. Available in horsepower from 3/4 to 10 HP and voltages ranges from 180-660 volts, this drive offers a variety of features and designs that insure dependable performance. Read more about the Baldor VS1SP Washdown Inverter Drives.

Baldor VSISP Washdow Inverter Drive


Baldor VS1GV Vector Drive
The VS1GV is a high performance vector drive. By offering three modes of control, in which to controls motor speed and torque with precision and the responsiveness needed to accomplish the most demanding application. Read more about the Baldor VS1GV Vector Drives. Baldor VSIGV Vector Drive


Baldor VS1GV Washdown Vector Drive
VS1GV Washdown Vector Drive offers three mode of controls-closed-loop, encoderless or the traditional V/Hz to meet the most demanding applications. Additionally, it provides the same interface as the Baldor V*S Drives sensorless vector products so that commonality is maintained within your facility for both closed loop and open loop applications. Read more about the Baldor VS1GV Washdown Vector Drives. Baldor VSIGV Washdow Vector Drive


Blador VS1PF Pump and Fan Drive
The Baldor VS1PF provides energy savings by controlling centrifugal loads with a variable frequency drive while implementing unique algorithms that further reduce energy consumed by your application. The Baldor V*S Drives VS1PF is a feature rich AC drive targeted at the pump and fan markets but with functionality that rivals more sophisticated general purpose products. Read more about the Baldor VS1PF Pump and Fan Drives. Baldor VSIPF Pump and Van Drive


Baldor VS1MD Microdrive
The VS1MD Microdrive is the most powerful and cost competitive in its class with its capability up to 10HP (7.5) kW. Because of its compact size, user-friendly interface, higher horsepower and superior motor torque makes its ideal for a wide uses of application. Read more about the Baldor VS1MD Micro Drives. Baldor VSIMD Microdive


Baldor VS1MX Microdrive
The VS1MX Microdrive is the ultimate drive for harsh conditions with its IP-55/NEMA 12 rating makes it ideal for use in wet, dry and harsh-duty conditions. This AC variably speed drive is easy to use, available in switched or non-switched enclosures and has a compact design which makes its ideal for a wide use of application. Read more about the Baldor VS1MX Micro Drives. Baldor VSIMX Microdrive


Baldor VS1SM Microdrive
The Baldor VS1SM is a V / Hz and Sensorless Vector product with optional built-in EMC/RFI Filter and configurable PNP/NPN Digital Inputs, this single phase 230V AC microdrive is ideal for OEM Applications that require a compact, cost-effective, feature-rich product. Read more about the Baldor VS1SM Micro Drives. Baldor VS1SM Microdrive


Baldor H2 Inverter Drive
Baldor’s new H2 Inverter drive offers open loop speed control and V/Hz mode for multiple motors or Encoderless Vector for higher performance in one easy to use package. V/Hz mode allow out of the box setup and operation. H2 Inverter drive are used in a variety of applications that require adjustable speed operation and good speed regulation including pumps, fans and general machinery applications. V/Hz is the control method for applications where multiple motors are operated simultaneously from one motor control. Read more about the Baldor H2 Inverter Drives. Baldor H2 Inverter Drive


Baldor H2 Washdown Inverter Drive
Baldor’s new H2 Washdown Inverter drive offers open loop speed control in one easy to use NEMA 4x/IP65 package. Used for a variety of applications that require adjustable speed operation and good speed regulation including pumps, fans and general machinery applications The Easy to Use keypad is incorporated into the cover in order to prevent “voids” whereby food or other contaminants can collect. V/Hz is the control applications method of choice where multiple motors are operated simultaneously from one motor control. Read more about the Baldor H2 Washdown Inverter Drives. Baldor H2 Washdown Inverter Drive


Baldor H2 Vector Drive
Baldor’s new line of H2 Vector Drives provides the ultimate control of AC induction motors. Setup is accomplished by using the one touch rotational or stationary auto tune feature. But the control doesn’t stop there, adaptive tuning will also automatically adjust the control loop while the motor is running. By using a motor mounted encoder, or similar feedback sensor, the control is able to precisely control motor torque and speed. Full torque at zero speed, ability to directly command motor torque, tight speed regulation and high-speed motor operation are all available. Read more about the Baldor H2 Vector Drives. Baldor H2 Vector Drive


Baldor H2 Servo Drive
Baldor’s new line of H2 Servo Drives provides control of 3-phase AC induction servomotor in an industrial package and design. These NEMA 1 controls with Baldor’s easy to use Smart Keypad makes for easy setup and flexibility. The H2 keypad follows the same easy to use menu structure as that of its companions, the H2 Inverter and H2 Vector drives. Read more about the Baldor H2 Servo Drives. Baldor H2 Servo Drive


Baldor H Inverter
The adjustable H Inverter controls are available in a variety of rating, input voltages, and enclosure styles. Baldor has a motor control for all your applications, whether you are automating equipment or saving energy on fans and pumps. Ranging in size from small mini inverters to floor mounted cabinets from rating to 1/3 to 480 HP. All units are UL and CUL listed and many are standard with ready to mount NEMA 1 enclosures and easy to use Operator Keypads. Read more about the Baldor H Inverter Drives. Blador H Inverter


Baldor H Washdown
Baldor Washdown adjustable speed motors and motor control are designed to take the harshest conditions whether it inclement weather to high pressure washdown. Inverter and Vector Duty are available in paint free and epoxy coated finishes and also available in NEMA 4X enclosure from 1 to 20 HP. All washdown Duty are UL and CUL listed and are recognized and meet NEMA MG1, Part 31. Read more about the Baldor H Washdown Inverter Drives. Baldor H Washdown


Baldor H Vector
The H Vector are available in a variety of rating, and input voltages. The Baldor Vector Control makes automating industrial equipment easy by using Flux Vector Control Techniques and closed loop motor feedback with the build in motor auto-tuning feature. Baldor stock 1 to 450 HP rating and has custom capabilities in larger horsepower sizes. All units are UL and CUL listed and come standard with ready to mount NEMA 1 enclosures and easy to use Operator Keypads. Expansion capabilities for various I/O and Bus Communications protocols are available with field installable expansion. Read more about the Baldor H Vector Drives. Baldor H Vector


Baldor Vector Line Regen
Baldor Line Regen Vector Control with the use of the Flux Vector Control Techniques and close loop motor feedback allows even more capability in slowing a motor and saving energy cost at the same time. No dynamic braking resistors are needed to bleed energy from the motor control. Near unity power factor and ability to meet IEEE-519 (1992) is easy with the built in sine wave input/output converter section. Baldor stocks ratings from 10 to 50 HP and has custom capabilities in larger horsepower sizes. All units are UL and CUL listed and come standard with ready to mount NEMA 1 enclosures and easy to use Operator Keypads. Read more about the Baldor Vector Line Regen Drives. Baldor Vector Line Regen


Baldor Series 5 Micro Inverters
Baldor Series 5 Micro Inverter is a low cost, compact inverter. Don’t let the size fool you, it has the same protection features as a much larger control. With it’s build-in current limit which provides motor overload protection and the high peak current available up to 2 minutes and delivers up to 200% starting torque. This inverter reducing nuisance tripping doing overload conditions. Electronic inrush current limit and filtering is standard to reduce transient voltage spikes from dirty power sources. Read more about the Baldor Series 5 Micro Inverter Drives. Baldor Series 5 Micro Inverter


Baldor Analog Soft-Start & Dynamic Brakes
The benefits of Baldor analog soft-start and dynamic brakes units reduce mechanical stress, prolong motor life and lower motor inrush currents. Baldor Soft Start Motor Control includes products from simple torque control design to the easy programmable digital control. Combination, Non-Combination and control only configurations in panel or NEMA 1, 3R, 12, or NEMA 4 enclosures are available from 1 through 800 HP. Many are available from stock or can be quick shipped in 72 hours or less. UL and CUL Listing along with CE Certification are standard on most designs. Read more about the Baldor Analog Soft Start & Dynamic Break Drives. Baldor Analog Soft-Start and Dynamic Brakes


Baldor Digital Soft-Start
Baldor Soft Starts reduces the wear on mechanical gears, chains, sprockets, belts and gearboxes and reduces water hammer in pump application. Soft-Start control combines the simplicity of a 6 SCR three phase voltage regulator with the most adaptable soft starting techniques available. In reducing inrush current it can prevent overload of a overall plant, thus preventing penalties change by the utility company. Read more about the Baldor Digital Soft Start Controls. Blador Digital Soft Start


Baldor Baldor SmartMotor
Baldor Smart Motor combines adjustable speed control electronics with a Premium Efficiency industrial motor in one easy to install, easy to use package. Available in sizes from 1-10 HP covering NEMA frames from 56C to 215TC for standard and Washdown Duty designs. Close Coupled Pump units in NEMA 143JM to 215JM frames are also available. UL / CUL Listing and C-Face with rigid mounting base is standard and all models are available from stock. Read more about the Baldor SmartMotor Models. Baldor Smart Motor


WEG Variable Frequency Drives & Soft Starters


WEG Variable Frequency Drive
WEG CFW-08 Plus ( 1/3-10HP) Variable Frequency Drives
The new WEG CFW-08 Plus Series with engineering improvements and the re-design of their successful uLine VFD’S have produced one of the most compact and pack featured microdrives in the marketplace. The features and options in a NEMA1 enclosure allows the CFW-08 to be used in many applications. Read more about the WEG CFW-08 Plus Variable Frequency Drives. WEG CFW-08 Plus Variable Frequency Drive


WEG CFW-09 ( 1-500 HP) Variable Frequency Drives
The CFW-09 Variable Frequency Drive offers the most advance technology in drives for three-phase AC induction motors. The Vectrue Technology and it significant advancement allowing VFD’s to combine V/F, Sensorless Vector and closed loop vector (with encoder) all in one control product. A innovated new feature named Optimal Braking was introduced to simplify applications that require braking torque, by eliminating the need for the dynamic braking resistor it means a simpler, more compact and economic solution. Read more about the WEG CFW-09 Variable Frequency Drives. WEG CFW-09 Variable Frequency Drive


WEG CFW-10 Plus ( 1/4 – 3HP) Variable Frequency Drives
With the expansion to the CFW-10 Variable Frequency Drive Product Line, three new HP rating (1,2 and 3 HP) and frame sizes (Sizes 2 and 3) will complement the existing ratings. The benefits of the CFW-10 is its compact size, easily mounted package, with a simplified keypad and bright LED readout, complete diagnostics and fully programmable I/O. The key benefits to the WEG CFW-10 is that it control three-phase AC motors with a single-phase AC input. Increase flexibility and decreased costs are achieved by eliminating the need for a step-up transformer to operate three phase 230V AC motors when only single-phase 115V or 230V are available. With the new products lines, a single-phase 120 VAC input voltage will produce three phase 230V to drive motors up to 1 HP and single-phase 230VAC input voltage will control motors up to 3HP.The CFW-10 is a perfect solution for many industrial and commercial applications. Read more about the WEG CFW-10 Plus Variable Frequency Drives. Weg Variable Frequency Drives


WEG Shark Drive™ ( 1 – 10 HP) Variable Frequency Drives
The WEG Shark Variable Frequency Drive is an ideal solution with its Stainless Steel NEMA 4X enclosure for high pressure wash down and corrosive environments and is designed to complement the enclosure ruggedness of WEG’s Shark Motor Product Line. The Shark Drive’s complete package combination of the CFW-09’s triple control capability (Volts/Hertz, Sensorless or Closed Loop Vector) matched with the Shark Drive’s NEMA4X enclosure rating allows the Shark Drive™ to succeed in virtually all applications in any industrial environment. Read more about the WEG Shark Drive Variable Frequency Drives. WEG Shark Drives


WEG Combination Soft Starters-GPH Series (5-500 HP)
The WEG Combination Soft Starter, GPH Series packages is a very simple and is designed for quick installation and start up. This package only requires an input and output motor connection. The GPH series is built for ruggedness and reliability and with its NEMA 4/12 enclosure it is ideal for dusty and wet applications. Read more about the WEG Combination Soft Starters-GPH Series Controls. WEG Combination Soft Starters


WEG Crusher Duty-TPH Series Soft Starters ( 100-600 HP)
WEG TPH Series provides a complete and cost effective AC motor starting and protection solution. The TPH are designed to withstand the most demanding AC motor starting applications. While exceeding the requirements for the highest starting torque requirements, plus with it’s NEMA 4/12 enclosure making it ideal for wash down and harsh conditions application. A emergency direct-on-line starting is available at a flip of a switch plus an AC3 full HP rated bypass contactor and motor overload relay is standard in the TPH series which provides full motor protection. Read more about the WEG Crusher Duty-TPH Series Soft Starters. WEG Crusher Duty-TPH Series Soft Starters


WEG SSW-03 Series Soft Starters ( 50-1000 HP)
The SSW-03 provides a complete and cost effective solution with a full microprocessor based control, making adjustments easy with the keypad start-up and still provides complete motor protection. With the pump control feature which prevents running pumps at no load and eliminates pipeline waterhammer. Read more about the WEG SSW-03 Series Soft Starters. WEG SSW-03 Series Soft Starters


WEG SSW-04 Series Soft Starters ( 5-75 HP)
The WEG SSW-04 are build for ruggedness and reliability and provides a complete solution. With it’s full microprocessor based control which allows easy adjustment with the keypad start-up, and complete motor protection.. With the pump control feature which prevents running pumps at no load and eliminates pipeline waterhammer. Read more about the WEG SSW-04 Series Soft Starters. WEG SSW-04 Series Soft Starters


WEG SSW-05 Series Soft Starters ( 5-75 HP)
The WEG SSW-05 is a compact fully digital soft starter with state-of-the-art DSP controller. With the digital construction some of the benefits includes: optimum operations, diagnostics capability and full protection of the motor. The Status LED »s alert the user of the operational status and with the dipswitches and potentiometers simplicity in set-up and operation is assured. The simplicity and the micro size and ease of set up makes it a quick and easy solution. Read more about the WEG SSW-05 Series Soft Starters. WEG SSW-05 Series Soft Starters


WEG SSW-06 Series Soft Starters ( 3-2,500 HP)
The SSW-06 is WEG’s third generation Soft Starter line. The keypad, with dual display, has red LED digits which provide visibility and make programming easier. Integral bypass contacts eliminate heat dissipation once the motor is at full voltage, which makes it extremely compact and allows for simple integration into non-ventilated enclosures and replacement of electro-mechincal starters in Motor Control Centers. Read more about the WEG SSW-06 Series Soft Starters.