DC DRIVE, MENTOR MP RANGE
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2 Year MRO warranty
| Part Number | MP45A4R |
| Manufacturer | Control Techniques |
| Type | DC Drives |
| MRO Warranty | 2 Year |
| Range | Mentor MP |
| Category | 4-Quadrant Operation |
| Description | DC Drive Type |
| Line Input | 40A, 3-Phase, 24–480 VAC, 50/60 Hz |
| Auxiliary Input | 8A, 1-Phase, 208–480 VAC, 50/60 Hz |
| Field Output | 0–444 VDC |
| Frame Size | 1A |
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.
MRO can restore your failed MP45A4R 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 MRO warranty.
Our technicians have vast experience with most manufacturers and models. In addition to this MP45A4R we also repair a wide range of other Control Techniques products, so if you don’t see the model you need, please contact us.
If you are interested in getting credit for your faulty MP45A4R, 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.
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Ask about exchanging your faulty MP45A4R for credit when ordering from MRO Electric
The Control Techniques MP45A4R DC Drive from the Mentor MP range is a robust, high-performance solution designed for demanding industrial DC motor applications. Known for its precision, flexibility, and durability, the MP45A4R supports 4-quadrant operation, allowing complete control of motor speed and torque in both forward and reverse directions, including controlled braking. This makes it ideal for applications requiring smooth acceleration, deceleration, and regenerative performance.
This DC drive is engineered with a versatile power configuration to support a wide range of industrial environments. The line input is rated at 40 amps, three-phase, 24–480 VAC at 50/60 Hz, making it compatible with many global power systems. Additionally, the auxiliary input supports eight amps at single-phase, 208–480 VAC, ensuring stable control power for auxiliary functions. The drive delivers a 0–444 VDC field output, offering precise field control for consistent motor performance and efficiency.
Housed in a compact 1A frame size, the MP45A4R maximizes performance while minimizing panel space requirements. The Mentor MP series is widely respected for its advanced control algorithms, high reliability, and ease of integration into both new installations and retrofit projects. Its design supports demanding applications such as conveyors, winders, extruders, hoists, and other systems where accurate DC motor control is critical.
Built for continuous industrial operation, the Control Techniques MP45A4R is a trusted choice in manufacturing, automation, and process control environments. This unit is immediately available from MRO Electric and Supply, reducing downtime and helping facilities maintain productivity. Every MP45A4R DC drive is backed by a 2-year warranty from MRO Electric and Supply, providing peace of mind and long-term reliability.
What does 4-quadrant operation mean?
4-quadrant operation allows the motor to run forward and reverse while both motoring and braking, providing full torque and speed control.
Is the MP45A4R suitable for retrofit applications?
Yes, its flexible voltage range and compact frame make it ideal for replacing older DC drives.
What industries commonly use the Mentor MP series?
Manufacturing, material handling, metal processing, printing, and automation industries frequently use these drives.
Does this drive support regenerative braking?
Yes, 4-quadrant operation enables controlled braking and energy management.
Is this unit tested before shipping?
All drives sold by MRO Electric are inspected and backed by a 2-year warranty for reliability.
Check out the rest of our Control Techniques product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at sales@mroelectric.com, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like MP45A4R, take a look at more from our DC 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 MP45A4R 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.
Very happy with the overall service, delivery, communication and delivery,
Conley CookeI needed a special drive, found it, and I was quickly assisted by Joe Kaminski. Everything was exactly as it should be....
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Abbey-Purchasing Specialist