Part Number - HF-KP73B

HF-KP73B is

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Product Details

  • HF Series Servo Motor with Brake (HFKP73B)
  • Manufacturer: Mitsubishi
  • Series: HF Series

Product Description

The Mitsubishi HF-KP73B (HFKP73B) is a 750W HF series servo motor with a brake. The appraised torque is 2.4 (N x m) or 340 (oz x in), yet, the torque is at the greatest of 7.2 (N x m) or 1020 (oz x in). The torque, however, while the servo motor with a brake is increasing is able to be 8.36 (N x m) or 1180 (oz x in). Then, the moment of inertia is 1.63 J(x10^-4kg x m) or 8.91 J(oz x in^2). The HF-KP73B servo motor with a brake has a current of 5.2A, but it may be authorized to become 15.6, but while the current is augmenting, it may become 18.2A. The speed of the servo motor with a brake may run normally at 3000rpm, but it can be sanctioned to run at 6000rpm, and may even for a short time reach a speed of 6900rpm.

The HF-KP73B servo motor with a brake may attach to a few servo amplifiers. These are namely, the MR-J-70A, MR-J3-70B, MR-J3-70B-RJ006, and MR-J3-70T servo amplifiers. These servo amplifiers are able to connect generally in the same way to the HF-KP73B servo motor with a brake. The first way is by connecting the encoder to the CN2 port of the servo amplifier with an encoder cable. In order to connect to the power supply to the HF-KP73B servo motor with a brake, a few wires coming from a servo motor power cable may connect to the CNP3 connector of any of the following servo amplifiers.

Here is the source material referenced:

Technical Specifications

Part Number: HF-KP73B (HFKP73B)
Module Type: Servo Motor with Brake
5.2 AMP
RPM: 3000r/min
Output Wattage: 750W
Weight: 8.6lbs (3.9kg)

Related Parts

HG-JR203B - Mitsubishi HG Servo Motor with Brake
MR-JE-10A - Mitsubishi MR-JE Servo Amplifier
HF-JP503B - Mitsubishi HF Series Servo Motor with Brake

Shipping and Order Information

  • TRW Supply can usually ship in stock items same day before 3:30 PM EST for no extra cost and before 5 PM with a rush fee
  • Mitsubishi HF Series Shipping options vary by location. Call for an accurate quote.


  • The Mitsubishi HF-KP73B comes with a two year warranty.
  • A three year warranty is available. Please inquire for pricing.

Additional Information

TRW Electric & Supply Company is a global automation supplier. We deliver reliable new and refurbished parts at a great value. Our product focus is Omron and Mitsubishi products, but we have been able to provide our customers with solutions from other manufacturers as well. Our goal is to supply the automation industry with the best service and pricing, and of course conduct business with a high level of integrity.

Authorized Distributors

A Mitsubishi Authorized Distributor for HF-SERIES is not the only source for Mitsubishi products. Many of the Mitsubishi products have been discontinued and therefore are no longer available from authorized suppliers. TRW Electric & Supply has many new and refurbished Mitsubishi HF-SERIES parts available for purchase.

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