Soft Start Drives
 by The Three Phase Electricity Specialist

	Soft Start Drives Home
	Soft Start Drives What are the advantages of soft start drives?  Can they prevent damage to motors during startup?  Are soft start drives more economical?  Read more.
	Variable Frequency Drives Variable frequency drives vary the production speed of motors.  What are their advantages over soft start drives?  Are they more costly than other drives?  Read more.
	What is the difference between a Variable Frequency Drive and a Soft Start Drive? How does a variable frequency drive differ in regulating speed of a motor versus a soft start drive?  When is it more beneficial to have a variable frequency drive?  What are the benefits of using a soft start drive instead of a VFD? Read more.
	Applications of Soft Start Drives Some of the applications that soft start drives are used for are pumps, fans, stirrers, mixers, driers, cutting machines and rotating filters.  Read more.
	AC Drive Guidelines Technical information on AC drives and how they work. Many of the AC drives seem to perform the same, but the objective of this article is to provide technical information to understand the differences. Read more.
	Inverter Drives Inverters are used when DC power from batteries, solar panels or fuel cells need to be converted to AC power.  Inverters are used for small applications such as switching power supplies in computers to large applications such as electric utility operations. Read more.
	TEMCo Soft Start Drives TEMCo offers a large selection of soft start drives.  With their large inventory, they can ship nationwide and internationally immediately after your order is placed.  TEMCo only sells high-quality products, which provide  many years of excellent service for your application requirements.  Read more.

WEG CFW-08 Plus Variable Frequency Drives

The new WEG CFW-O8 is a redesign of our µLine, Engineering improvements has produced the most compact and full featured microdrives in the field today. Excellent features and options in a NEMA2 enclosures allows it to be used in a variety of applications.

Applications

• Pumps
• Fans / Blowers
• Conveyors
• Rollout tables
• Agitators
• Mixers

Features

•  V/Hz and Sensorless Vector Control
• NEMA 1 Enclosure
• Single and Three-phase input voltage
• 200-240V or 380-480V input voltage
• 150% current overload capacity
• 16 bit DSP controlled PWM output
• 2.5 / 5 / 10 / 15 kHz adjustable switching frequency
• Four isolated programmable digital inputs
• Two programmable relay outputs
• Two isolated programmable analog inputs

Protective features:

• Overcurrent
• Motor overload
• Drive over temperature
• Output phase-to-phase and phase-to-ground short circuit
• DC bus over and undervoltage and external fault

Control features:

• Linear and "S" ramp acceleration and deceleration
• Local/remote control
• DC braking
• Torque boost
• Motor slip compensation
• Electronic pot
• Preset speeds
• Adjustable V/Hz profile
• Maximum and minimum adjustable frequency limits
• Two skip frequencies
• Adjustable output current limit
• JOG, ride-thru and flying start and PID regulator

Display readings:

• Motor speed, frequency, voltage, current, last fault, heatsink temperature and drive status

Ambient:

• 104ºF (40ºC), 3300 ft (1000m) altitude, 90% humidity, non-condensing
   

Optional Features:

• Remote keypad with Copy Function
• RS-232 or RS-485 Serial Interface
• Modbus Communication
• DIN rail mounting through 2HP

Ordering Information and Accessories:

Click here to view our online store.

Single or Three-Phase 230V

Three-Phase 230V

Three-Phase 460V

NOTE: "HP" rating based on "average FLA Values" Use as a guide only. Motor FLA may vary with speed and manufacturer. Always compare motor FLA to Nominal AMPS of drive

CFW-08 Plus - DB Resistors 10% Duty Cycle

These are non-stocked items, consult Variable Frequency Drive for availability.

We at Variable Frequency Drive Co. are dedicated to providing the best possible customer service plus provide you with only quality products. We hope also that we can provide a educational site so you have all the information on any product that you may be seeking. 

Products Quick Reference

WEG CFW08- Nema 1 Enclosure
Input Power Supply: Single or Three-Phase -230V
1/4 to 3 HP:

WEG CFW080016BDN1A1Z,  WEG CFW080026BDN1A1Z,  WEG CFW080040BDN1A1Z, WEG CFW080073BDN1A1Z  WEG CFW080100BDN1A1Z

WEG CFW08- Nema 1 Enclosure
Input Power Supply: Three-Phase 230V
1/3 to 5 HP:

WEG CFW080016BDN1A1Z, WEG CFW080026BDN1A1Z, WEG CFW080040BDN1A1Z, WEG CFW080070BDN1A1Z, WEG CFW080073BDN1A1Z, WEG CFW080100BDN1A1Z, WEG CFW080160BDN1A1Z

WEG CFW08- Nema 1 Enclosure
Input Power Supply: Three-Phase 460V
1/3 to 10 HP:

WEG CFW080010TGN1A1Z, WEG CFW080016TGN1A1Z, WEG CFW080026TGN1A1Z, WEG CFW080027TGN1A1Z, WEG CFW080040TGN1A1Z, WEG CFW080043TGN1A1Z, WEG CFW080065TGN1A1Z, WEG CFW080100TGN1A1Z, WEG CFW080130TGN1A1Z, WEG CFW080160TGN1A1Z

CFW-08 Plus - DB Resistors 10% Duty Cycle:

WEG CFDB39-224, WEG CFDB27-298, WEG CFDB22-373, WEG CFDB120-298, WEG CFDB120-298, WEG  CFDB100-224, WEG CFDB47-746, WEG CFDB33-746, WEG CFDB33-746

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

WEG Variable Frequency Drives & Soft Starters Click here to view our online store.
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-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-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 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 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 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 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-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-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-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.

Soft Start Drives start motors at lower voltages, slowly ramping up to operation voltage, which reduces wear on mechanical gears, chains, sprockets, belts and gearboxes.
 

Soft Start Drives eliminate motor over-fluxing and allow under-loaded or oversized motors to operate more efficiently.
 

Baldor Electric Company
Baldor is a U.S. based company and is a leading manufacturer of industrial electric motors, drives, power transmission products and generators.
 

Weg Electric Motor Company
Weg has been in business since 1961 and is a reputable manufacturer of soft start drives and electric motors.  They distribute high quality products worldwide.
 

The leading manufacturers will offer quick nationwide and international shipping from regional warehouses.