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2-year Warranty

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Yaskawa SGDH-50DE

2 ratings

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2 Year warranty

Part NumberSGDH-50DE
TypeAC Drives
Model #SGDH50DE
Warranty2 Year
USEServo amplifier
Voltage 400 VAC
Amps16.5 A
Phase3 Phase
Rating450 W to 55 kW
ScrewM3 x 10 round-head screw
Speed control range1 to 5000
Load varianceDuring 0 to 100% load ±0.01% max. (at rated speed)
Voltage varianceRated voltage ±10%:0% (at rated speed)
Temperature variance25 ±25 °C: ±0.1 % max (at rated speed)
Input impedanceApprox. 14 kΩ
Circuit time constantApprox. 47 µs

Our Repair Services

MRO Electric repairs CNCs, PLCs, Servo/Spindle Drives, Motors, Amplifiers, VFDs, HMIs, and more, most of which can be repaired in only 3-5 days.

Repair Benefits

MRO can restore your failed SGDH-50DE to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.

Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year warranty.

Our technicians have vast experience with most manufacturers and models. In addition to this SGDH-50DE we also repair a wide range of other Yaskawa products, so if you don’t see the model you need, please contact us.

Core Exchange

If you are interested in getting credit for your faulty SGDH-50DE, just let us know, and we can issue you an RMA to send it in as an exchange. Our exchange program provides you with savings and keeps us stocked for the next time you need anything.

  • Shipping Weight : 12lbs

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Ask about exchanging your faulty SGDH-50DE for credit when ordering from MRO Electric

MRO Electric provides a 2-year warranty on every item we sell and repair. We stand behind all of our products and guarantee them for the full 2 years. If there is an issue with any of our products within the warranty period, we will evaluate the unit and repair or replace it under warranty.

Yaskawa SGDH-50DE Overview

Yaskawa SGDH-50DE AC Drives: Precision and Power for Servo Amplification

The SGDH-50DE by Yaskawa stands as a pinnacle in AC drive technology, meticulously engineered to amplify servo systems with unparalleled precision and power. As a servo amplifier, it represents the epitome of efficiency and reliability, promising seamless integration and optimal performance in a variety of industrial applications.

Technical Specifications:

Designed to operate with a voltage of 400 VAC and drawing 16.5 A of current, the SGDH-50DE operates seamlessly within 3-phase systems. Its robust design allows for a wide-ranging power output, from 450 W to an impressive 55 kW, ensuring adaptability across diverse operational requirements. Precision engineering extends even to the smallest components, with the inclusion of M3 x 10 round-head screws for secure installation and maintenance.

Performance Metrics:

The SGDH-50DE boasts a remarkable speed control range, spanning from 1 to 5000 units, offering precise manipulation of rotational speeds to suit the demands of various applications. Load variance poses no challenge, with the amplifier maintaining a remarkable stability of ±0.01% max during 0 to 100% load at rated speed. Similarly, voltage variance is effectively mitigated, with the SGDH-50DE ensuring consistent performance within a range of ±10% of rated voltage at rated speed. Temperature fluctuations, within the range of 25 ±25 °C, are also expertly managed, with deviations limited to a maximum of ±0.1% at rated speed.

Advanced Features:

In addition to its impressive performance metrics, the SGDH-50DE offers advanced functionalities to enhance operational efficiency. With an input impedance of approximately 14 kΩ, the amplifier seamlessly integrates into existing systems, facilitating smooth communication and control. Furthermore, its circuit time constant, clocking in at approximately 47 µs underscores its responsiveness and agility, crucial for high-demand applications requiring rapid adjustments and precision control.


The versatility of the SGDH-50DE makes it an indispensable asset across a spectrum of industries and applications. From precision manufacturing processes to robotic systems and beyond, its ability to deliver consistent, high-performance servo amplification ensures optimal operation and productivity. Whether tasked with intricate positioning tasks or demanding torque applications, the SGDH-50DE stands ready to meet the challenges of modern industrial automation.

Frequently Asked Questions about the Yaskawa SGDH-50DE AC Drives

Q: What is the Yaskawa SGDH-50DE?

A: The Yaskawa SGDH-50DE is an AC drive, specifically a servo amplifier, manufactured by Yaskawa. It is designed to provide precise and powerful amplification for servo systems in industrial applications.

Q: What voltage does the SGDH-50DE operate on?

A: The SGDH-50DE operates on a voltage of 400 VAC, making it suitable for use in systems with this voltage requirement.

Q: What is the power rating of the SGDH-50DE?

A: The power rating of the SGDH-50DE ranges from 450 W to 55 kW, offering a wide range of power output options to suit various industrial needs.

Q: What is the speed control range of the SGDH-50DE?

A: The SGDH-50DE has an impressive speed control range, spanning from 1 to 5000 units, allowing for precise manipulation of rotational speeds to meet diverse application requirements.

Q: How does the SGDH-50DE handle load variance?

A: The SGDH-50DE maintains remarkable stability during load variance, with deviations limited to ±0.01% max during 0 to 100% load at rated speed, ensuring consistent performance even under varying load conditions.

Q: Is the SGDH-50DE tolerant to voltage variance?

A: Yes, the SGDH-50DE effectively mitigates voltage variance, ensuring consistent performance within a range of ±10% of rated voltage at rated speed.

Q: How does the SGDH-50DE manage temperature fluctuations?

A: The SGDH-50DE is designed to handle temperature fluctuations within a range of 25 ±25 °C, with deviations limited to a maximum of ±0.1% at rated speed, maintaining operational stability even in changing environmental conditions.

Q: What are some advanced features of the SGDH-50DE?

A: The SGDH-50DE offers advanced features such as an input impedance of approximately 14 kΩ for seamless integration into existing systems and a circuit time constant of approximately 47 µs for rapid responsiveness and precision control.

Q: What applications is the SGDH-50DE suitable for?

A: The SGDH-50DE is suitable for a wide range of applications across various industries, including precision manufacturing processes, robotic systems, and any application requiring high-performance servo amplification.

Q: What sets the SGDH-50DE apart from other AC drives?

A: The SGDH-50DE stands out for its blend of precision engineering, advanced features, and robust performance metrics, making it a cornerstone of industrial automation and elevating operational performance in diverse applications.

Contact Us Today For More Information About Yaskawa Products

Check out the rest of our Yaskawa product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like SGDH-50DE, take a look at more from our AC Drives line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our SGDH-50DE products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.

5 stars

4.9 Overall Satisfaction Rating

Over 1700 Ratings from Actual Customers

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Very happy with the overall service, delivery, communication and delivery,

Conley Cooke

I needed a special drive, found it, and I was quickly assisted by Joe Kaminski. Everything was exactly as it should be....


We have an older DMU80 CNC Machine and the Handheld Control was damaged beyond repair. MRO was very helpful in confirmin...

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