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Low Voltage AC Digital Solid State Soft Starters

Motortronics low voltage soft starters offer controlled starting of AC induction or synchronous motors reducing mechanical stress on the motor and shaft.

  • Input voltage range 208 ~ 600VAC
  • Power range up to 1200HP (1250A)
  • Three series
    • VMX Compact, Standard & Heavy Duty
    • DXT Advanced
    • XLD Legacy
Motortronics VMX Series Compact Soft Start Distributors
Low Voltage Soft Starts

If you are looking for Motortronics Soft Starters, please call us at (800) 894-0412 or Email us at we will do our best to help you find the Motortronics AC Drives that you are looking for at the most competitive prices. If you are searching for Motortronics Electronic Motor Brakes technical information (data-sheets) please use the Phasetronics Datasheets OR Product Selection Guide page links.

MVC Plus Series Medium Voltage

The MVC Plus Medium Voltage Series Soft Starter is designed to start AC motors in any fixed speed application. It provides maximum protection with "True Thermal Modeling," while allowing smooth, stepless control of acceleration and deceleration. The MVC Plus Series guarantees power control and protection for your most important assets.

Motor and starter protection is taken to a new level by combining a high-end motor protection relay with a heavy duty solid state starter. Flexible control features and selectable ramping profiles to match any application - no need to compromise performance. High level circuit isolation via fiber optics (standard on all units) for safety and power quality immunity. Sealed NEMA 12 enclosures are standard equipment, not an expensive option. Soft start & protect any AC motor. The MVC Plus Series starter is designed to start AC motors in any fixed speed application. It provides maximum protection with "True Thermal Modeling," while allowing smooth, stepless control of acceleration and deceleration. The MVC Plus Series guarantees power control and protection for your most important assets.

Motortronics MVC Plus Series Medium Voltage Solid State Starters Distributor
Medium Voltage Starter

AC Drives

Motortronics AC Drives offer precise speed and torque control of AC induction motors for any level of application ranging from simple fan or pump control to precise winder control.

  • Input voltage range 200 ~ 480Vac
  • Power range up to 800HP
  • Three series
    • ME2 Micro
    • VCM V/hz or Sensorless Vector
    • MT High Performance Constant Torque
Motortronics ME2 Series Micro AC Drives Distributors
AC Inverters

ABC Series Electronic Motor Brakes

Electronic braking stops the load by injecting a controlled amount of DC current into a three phase AC motor. The ABC Series "automatic braking controller" features full-wave DC braking which can be adjusted to stop your load quickly, repeatably and reliably, even if load conditions change. The ABC Series meets the three main objectives that are important in every industry: Maximized Safety, Increased Productivity and Maintenance-Free Operation.

The ABC Series is designed to eliminate dangerous coast-to-stop times of rotating machines and equipment. The ABC Series also eliminates the dangerous practice of jamming the machine to bring it to a stop, which can present potential danger to operators and passers-by alike. OSHA and other safety agencies pay close attention to these types of operating conditions and recognize brakes as an important part of a system to guard against potential dangers.

Phasetronics ABC Series Electronic Brakes Distributor
Electronic Brake

Motor Protection/Overload Relays

Take your motor protection to a new level. The RX Series provides more than just solid state overload or power protection relays. By using features previously found only in large expensive Motor Protection Relays, the RX Series allows even small to medium sized motor applications to be protected by the best technology available, yet at a price affordable to all.

The TE-RTD12 Relay device adds advanced RTD (Resistor Temperature Detector) and differential current monitoring capability to your new or existing motor system. The TE-RTD12 Relay device offers 12 built-in RTD inputs, 3 programmable output relays (5A), 2 isolated analog inputs (4-20mA), 1 isolated analog output (4-20mA), 3 isolated digital inputs, and differential current feedback monitoring.

Motortronics RX Series Motor Protection Overload Relays Distributors
Motor Protection Relays


  • Current Transformer - Ansi Rated Window Type
  • Current Transformer - Non-Ansi Rated Window Type
  • Low Voltage Transformer
  • Medium Voltage Transformers
Motortronics Medium Voltage Transformers 5kV, 7.2kV & 15kV Class Distributors


  • 7.2kV Class
  • 12kV Class

Non-Latching (C) - uses constant-on electromagnetic coils to close, and hold closed the vacuum bottle contacts. When the power to the electromagnetic coil is removed, the vacuum chamber contacts spring open (termed as; electrically held contacts or non-latching contacts).

Latching (CJ) - uses separate coils and mechanisms to both close and open the vacuum bottle contacts (termed as; mechanically held or latching, contacts).

Motortronics 7.2kV Models Latching & Non-Latching Medium Voltage Contactors Distributors

Motor Winding Heater Controls

Even the best motor winding insulation materials become water permeable with repeated exposure to temperature extremes and moisture. If the ambient temperature is below the "dew point" when a motor is turned off, condensation will form inside the motor as it cools down. When the motor is re-energized, the moisture heats up and permeates the windings, eventually shorting and damaging the motor. Airborne corrosive elements like salt and chemicals can also combine with condensation and erode the rotor and bearings, leading to premature motor failure.

The MWH Series provides a cost effective solution to these problems by preventing condensation build-up in motors. By applying a low level current to the motor windings during extended shut down periods, the MWH Series keeps AC motors warm and moisture-free.

Motortronics MWH Series Winding Heater Controls Distributors
Motor Winding Heater

VirtualSCADA VS2 for Soft Starters, AC Drives & Motor Protection Relays

VirtualSCADA VS2-MT for Motortronics Soft Starters, AC Drives and Motor Protection Relays gives users the ability to connect a Modbus/TCP master (e.g.PLC system) to one or more Soft Starters, Motor Protection Relays or AC Drives. The transparent VirtualSCADA VS2 gateway will act as a Modbus/TCP slave on an Ethernet network, transform the queries to the Serial Modbus network and send back the response to the Modbus/TCP master. The VirtualSCADA VS2 can be setup in a matter of minutes. Turn key and Ready to Use. No additional setup or programming is required.

Phasetronics VirtualSCADA VS2 Modbus/TCP Communication Gateways Distributors
VirtualSCADA VS2-MT Modbus/TCP Gateways

Whether we have Motortronics Overload Relays in stock in Boise, Idaho or need to ship direct from Phasetronics to any USA cities; Clearwater Tech can get Motortronics Solid State Starters to you fast and save you some money. Our Phasetronics distributors warehouse stocks some Motortronics products enabling us to further assist you in finding the correct Motortronics AC Drives in the USA, Canada, or Mexico. It will be very helpful if you have the Motortronics Contactor part numbers ready, then our sales representatives can provide you with a pricing and availability quote for Motortronics Electronic Brakes that you are looking for in seconds. If you do not have the part numbers for Motortronics Transformer, our application engineers will be able to help you figure out the part numbers and get the price quote to you as soon as possible.

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Danfoss VFD

Automatic Motor Tuning (AMT) measures the motor parameters to ensure optimal match between drive and motor thus increasing performance of your drive application and saving commissioning time. The VLT 2800 series are among the smallest multi-purpose drives in the market, designed for space saving side-by-side mounting. Danfoss VLT 2800 is designed as an advanced and versatile drive, yet easy to operate. Quick menu includes all basic

Sola Power Supply

Each Model of GL100-M & GL200-M series complies with the medical and ITE safety standards, enabling it to be used for both medical or non-medical standard applications. The GL Compact Series combines both medical and non-medical approvals into one unit. These models offer very high reliability, high efficiency, active Power Factor Correction and very low ground leakage currentcompact size. The new GL series provides a broad range of