Soft Start Drives
 
by The Three Phase Electricity Specialist

Read about Soft Start Drives vs. Variable Frequency Drives.  Our Three Phase Electricity Specialist's Review will educate you on the best Soft Start Drives for your applications and will take the confusion out of selecting the right drive for your job requirements!

Soft Start Drives.Com Home Soft Start Drives Applications of Soft Start Drives Variable Frequency Drives Inverter Drives AC Drive Guidelines Difference between a Variable Frequency Drive and a Soft Start Drive • TEMCo Soft Start Drives •  Top Brands Reviewed:  Weg Electric Motor Company   Baldor Electric Company • Resource Site: Variable Frequency Drives • Variable Frequency Drive Basics • AC Variable Frequency Drives • Variable Frequency Drive Motors • Soft Start Drives • WEG Variable Frequency Drives • Baldor Variable Frequency Drives • Variable Frequency Drive Home

WEG Variable Frequency Drives : WEG CFW-08 Plus Variable Frequency Drives   WEG CFW-09 Variable Frequency Drives   WEG CFW-10 Plus Variable Frequency Drives   WEG Shark Drive Variable Frequency Drives   WEG Combination Soft Starters-GPH Series Controls   WEG Crusher Duty-TPH Series Soft Starters   WEG SSW-03 Series Soft Starters   WEG SSW-04 Series Soft Starters   WEG SSW-05 Series Soft Starters   WEG SSW-06 Series Soft Starters

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Soft Start Drives
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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 SSW-03 Series Soft Starters
The WEG SSW-03 Series Soft Starters are reliability and rugged to match the WEG motors, plus it provides a cost effective solution. With the microprocessor based control which allows easy adjustment through the keypad on start-up, and also gives complete motor protection. A pump control features prevents running pumps at no load and it eliminates pipeline waterhammer.

Applications


  • Pumps
  • Fans / Blowers
  • Conveyors
  • Compressors
  • Agitators
  • Crushers
  • Mixers

Features


  • 208-440V and 460-575V, 50/60Hz input power supply
  • Duty cycle: 300% of full load current during 30 seconds every 6 minutes
  • Keypad with LED display
  • Four programmable isolated digital inputs (24 VDC)
  • Two programmable relay outputs (1 Amp - 250V)
  • One differential analog input
  • One programmable analog output

Protective features:

  • Motor overload (TIMP)
  • Under and overcurrent
  • Power supply phase loss
  • Motor phase loss
  • Thyristor fault
  • Phase sequence
  • Soft starter over temperature and external fault

Control features:

  • Pump control
  • Acceleration and deceleration independently adjustable ramps
  • Kick start
  • Pedestal voltage
  • Voltage ramp start
  • Constant current start
  • By-pass relay
  • JOG
  • DC braking
  • Energy saving
  • Auto-reset and fault history

Display readings:

  • Motor Amps (kW, kVA, PF and Volts)

Ambient:

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

Optional Features:

  • Remote keypad


Ordering Information and Accessories:


SSWO3- Protected Chassis Enclosure
Input Power Supply: Three-Phase - 230V

Catalog Number Motor HP Soft Starter
 Nominal
AMPS
Soft Starter
Max. Cont.
AMPS
Dimensions
H x W x D
(IN.)
App. Shpg.
WT..
Mult.
Sym.
SSW031203D1 50 120 144 15 x 9 x 10 40 E1
SSW031703D1 75 170 204 19 x 9 x 10 55 E1
SSW032053D1 75 205 246 19 x 9 x 10 55 E1
SSW032553D1 100 255 306 21 x 21 x 12 155 E1
SSW032903D1 100 290 348 21 x 21 x 12 155 E1
SSW033403D1 125 340 408 21 x 21 x 12 155 E1
SSW034103D1 150 410 492 24 x 21 x 13 183 E1
SSW034753D1 200 475 570 26 x 21 x 13 207 E1
SSW035803D1 250 580 696 26 x 21 x 13 207 E1
SSW036703D1 250 670 804 28 x 21 x 13 214 E1
SSW038003D1 300 800 960 34 x 21 x 13 309 E1
SSW039503D1 400 950 1140 34 x 21 x 13 309 E1

Input Power Supply: Three-Phase - 460V

Catalog Number Motor HP Soft Starter
 Nominal
AMPS
Soft Starter
Max. Cont.
AMPS
Dimensions
H x W x D
(IN.)
App. Shpg.
WT..
Mult.
Sym.
SSW031203G1 100 120 144 15 x 9 x 10 40 E1
SSW031703G1 150 170 204 19 x 9 x 10 55 E1
SSW032053G1 150 205 246 19 x 9 x 10 55 E1
SSW032553G1 200 255 306 21 x 21 x 12 155 E1
SSW032903G1 250 290 348 21 x 21 x 12 155 E1
SSW033403G1 300 340 408 21 x 21 x 12 155 E1
SSW034103G1 350 410 492 24 x 21 x 13 183 E1
SSW034753G1 400 475 570 26 x 21 x 13 207 E1
SSW035803G1 500 580 696 26 x 21 x 13 207 E1
SSW036703G1 600 670 804 28 x 21 x 13 214 E1
SSW038003G1 700 800 960 34 x 21 x 13 309 E1
SSW039503G1 800 950 1140 34 x 21 x 13 309 E1

Input Power Supply: Three-Phase - 575V

Catalog Number Motor HP Soft Starter
 Nominal
AMPS
Soft Starter
Max. Cont.
AMPS
Dimensions
H x W x D
(IN.)
App. Shpg.
WT..
Mult.
Sym.
SSW031203G1 125 120 144 15 x 9 x 10 40 E1
SSW031703G1 150 170 204 19 x 9 x 10 55 E1
SSW032053G1 200 205 246 19 x 9 x 10 55 E1
SSW032553G1 250 255 306 21 x 21 x 12 155 E1
SSW032903G1 300 290 348 21 x 21 x 12 155 E1
SSW033403G1 350 340 408 21 x 21 x 12 155 E1
SSW034103G1 400 410 492 24 x 21 x 13 183 E1
SSW034753G1 500 475 570 26 x 21 x 13 207 E1
SSW035803G1 600 580 696 26 x 21 x 13 207 E1
SSW036703G1 700 670 804 28 x 21 x 13 214 E1
SSW038003G1 900 800 960 34 x 21 x 13 309 E1
SSW039503G1 1000 950 1140 34 x 21 x 13 309 E1

Notes: 1) 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 and Max Continuous AMPS of starters.
2) 120V Control and Blower Power Supply required.

 

SSW03 - IP20 "Finger-Safe" Enclosure

Input Power Supply: Three-Phase - 230V

Catalog Number Motor HP Soft Starter
 Nominal
AMPS
Soft Starter
Max. Cont.
AMPS
Dimensions
H x W x D
(IN.)
App. Shpg.
WT..
Mult.
Sym.
SSW031203D1IP20 50 120 144 24.5 x 9 x 10 55 E1
SSW031703D1IP20 75 170 204 28.5 x 9 x 10 70 E1
SSW032053D1IP20 75 205 246 28.5 x 9 x 10 70 E1
SSW032553D1IP20 100 255 306 35 x 21 x 12 190 E1
SSW032903D1IP20 100 290 348 35 x 21 x 12 190 E1
SSW033403D1IP20 125 340 408 35 x 21 x 12 190 E1
SSW034103D1IP20 150 410 492 35 x 21 x 13 220 E1
SSW034753D1IP20 200 475 570 40 x 21 x 13 250 E1
SSW035803D1IP20 250 580 696 40 x 21 x 13 250 E1
SSW036703D1IP20 250 670 804 44 x 21 x 13 265 E1
SSW038003D1IP20 300 800 960 53 x 21 x 14 365 E1
SSW039503D1IP20 400 950 1140 53 x 21 x 14 365 E1

Input Power Supply: Three-Phase - 460V

Catalog Number Motor HP Soft Starter
 Nominal
AMPS
Soft Starter
Max. Cont.
AMPS
Dimensions
H x W x D
(IN.)
App. Shpg.
WT..
Mult.
Sym.
SSW031203G1IP20 100 120 144 24.5 x 9 x 10 55 E1
SSW031703G1IP20 150 170 204 28.5 x 9 x 10 70 E1
SSW032053G1IP20 150 205 246 28.5 x 9 x 10 70 E1
SSW032553G1IP20 200 255 306 35 x 21 x 12 190 E1
SSW032903G1IP20 250 290 348 35 x 21 x 12 190 E1
SSW033403G1IP20 300 340 408 35 x 21 x 12 190 E1
SSW034103G1IP20 350 410 492 35 x 21 x 13 220 E1
SSW034753G1IP20 400 475 570 40 x 21 x 13 250 E1
SSW035803G1IP20 500 580 696 40 x 21 x 13 250 E1
SSW036703G1IP20 600 670 804 44 x 21 x 13 265 E1
SSW038003G1IP20 700 800 960 53 x 21 x 14 365 E1
SSW039503G1IP20 800 950 1140 53 x 21 x 14 365 E1

Notes: 1) 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 and Max Continuous AMPS of starters.
Contact manufacturer for 575V
Includes Control Power Transformer with fuses.

 

Products Quick Reference


WEG Series Soft Starters - SSWO3- Protected Chassis Enclosure
Input Power Supply: Three-Phase - 230V

WEG SSW031203D1, WEG SSW031703D1, WEG SSW032053D1, WEG SSW032553D1, WEG SSW032903D1, WEG SSW033403D1, WEG SSW034103D1, WEG SSW034753D1, WEG SSW035803D1, WEG SSW036703D1, WEG SSW038003D1, WEG SSW039503D1


WEG Series Soft Starters - SSWO3- Protected Chassis Enclosure
Input Power Supply: Three-Phase - 460V

WEG SSW031203G1, WEG SSW031703G1, WEG SSW032053G1, WEG SSW032553G1, WEG SSW032903G1, WEG SSW033403G1, WEG SSW034103G1, WEG SSW034753G1, WEG SSW035803G1, WEG SSW036703G1, WEG SSW038003G1, WEG SSW039503G1


WEG Series Soft Starters - SSWO3- Protected Chassis Enclosure
Input Power Supply: Three-Phase - 575V

WEG SSW031203G1, WEG SSW031703G1, WEG SSW032053G1, WEG SSW032553G1, WEG SSW032903G1, WEG SSW033403G1, WEG SSW034103G1, WEG SSW034753G1, WEG SSW035803G1, WEG SSW036703G1, WEG SSW038003G1, WEG SSW039503G1


WEG Series Soft Starters SSW03 - IP20 "Finger-Safe" Enclosure 
Input Power Supply: Three-Phase - 230V

WEG SSW031203D1IP20, WEG SSW031703D1IP20, WEG SSW032053D1IP20, WEG SSW032553D1IP20, WEG SSW032903D1IP20, WEG SSW033403D1IP20, WEG SSW034103D1IP20, WEG SSW034753D1IP20, WEG SSW035803D1IP20, WEG SSW036703D1IP20, WEG SSW038003D1IP20, WEG SSW039503D1IP20


WEG Series Soft Starters SSW03 - IP20 "Finger-Safe" Enclosure
Input Power Supply: Three-Phase - 460V

WEG SSW031203G1IP20, WEG SSW031703G1IP20, WEG SSW032053G1IP2O, WEG SSW032553G1IP20, WEG SSW032903G1IP20, WEG SSW033403G1IP20, WEG SSW034103G1IP20, WEG SSW034753G1IP20, WEG SSW035803G1IP20, WEG SSW036703G1IP20, WEG SSW038003G1IP20, WEG SSW039503G1IP20


 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


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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 productA 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.
WEG SSW-05 Series Soft Starters

Soft Start Drives prevent wear on equipment

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
 

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.
 

Nationwide and International Shipping

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

 

 

 

 

 

Soft Start Drive Resources

Soft Start Drives.Com Home Soft Start Drives Applications of Soft Start Drives Variable Frequency Drives Inverter Drives AC Drive Guidelines Difference between a Variable Frequency Drive and a Soft Start Drive • TEMCo Soft Start Drives • Top Brands Reviewed:  Weg Electric Motor Company  Baldor Electric Company  Resource Site: Variable Frequency Drives • Order Variable Frequency Drive (VFD) • Variable Frequency Drive Basics • AC Variable Frequency Drives • Variable Frequency Drive Motors • Soft Start Drives • WEG Variable Frequency Drives : WEG CFW-08 Plus Variable Frequency Drives • WEG CFW-09 Variable Frequency Drives • WEG CFW-10 Plus Variable Frequency Drives • WEG Shark Drive Variable Frequency Drives • WEG Combination Soft Starters-GPH Series Controls • WEG Crusher Duty-TPH Series Soft Starters • WEG SSW-03 Series Soft Starters • WEG SSW-04 Series Soft Starters • WEG SSW-05 Series Soft Starters

Baldor Variable Frequency Drives : Baldor VS1SP Inverter Drives • Baldor VS1SP Washdown Inverter Drives • Baldor VS1GV Vector Drives • Baldor VS1GV Washdown Vector Drives • Baldor VS1PF Pump and Fan Drives • Baldor VS1MD Micro Drives • Baldor VS1MX Micro Drives • Baldor VS1SM Micro Drives • Baldor H2 Inverter Drives • Baldor H2 Washdown Inverter Drives • Baldor H2 Vector Drives • Baldor H2 Servo Drives • Baldor H Inverter Drives • Baldor H Washdown Inverter Drives • Baldor H Vector Drives • Baldor Vector Line Regen Drives • Baldor Series 5 Micro Inverter Drives • Baldor Analog Soft Start & Dynamic Break Drives • Baldor Digital Soft Start Controls • Baldor SmartMotor Models • Variable Frequency Drive Home

 

Additional Useful Soft Start Drive Resources

Variable Frequency Drives • Inverters TEMCo Variable Frequency Drives Frequency Converters Static Phase Converters Rotary Phase Converters • U.S. Phase Converter Standards • Phase Converter FAQ • 3 Phase Power Resource 3 Phase Power Information • The Phase Converter Manufacturer Directory • The Rotary Phase Converters Home ACE Rotary Phase Converters  • Three Phase Electricity • Build Your Own Phase Converter • Phase Converter Wiring Diagram • Safety of a Rotary Phase Converters • Three Phase Power From Utility Companies • Rotary Phase Converters Info • About Three Phase Converters •  Selecting the Right Phase Converter • Why use a Rotary Phase instead of a Static Phase Converter • TEMCo Static Phase Converters • Phase Converter Comparisons • Phase Converter Purchasing Check List • Digital Phase Converters • CNC Phase Converters • Inverters • Selecting the Right Size Phase Converters • Power Transformers • Isolation Transformers • Buck Boost Transformers • Acme Transformers • Hammond Transformers • GE Transformers • Marcus Transformers • Robin Subaru Generators • Baldor Generators • Winco Generators • Mobile Light Towers • Diesel Generators


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