Part Number - HF-KP43

HF-KP43 is

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Product Details

  • HF Series Servo Motor 400W (HFKP43)
  • Manufacturer: Mitsubishi
  • Series: HF Series

Product Description

The Mitsubishi HF-KP43 (HFKP43) is a Melservo HF series servo motor with an output wattage of 400W. This servo motor has a torque of 1.3 (184) N·m [oz·in] and is permitted to increase to 3.8 (538) N·m [oz·in]. The HF-KP43 servo motor has a normal speed of 3000rpm which the speed is permitted to increase to 6900rpm. The amplifier models that connect to the HF-KP43 servo motor are the MR-J3-40A (1) MR-J3-40B (1).

Technical Specifications

Part Number: HF-KP43 (HFKP43)
Module Type: Servo Motor
  • 3 AC
  • 102V
  • 2.9 AMP
  • Output Wattage: 400W
  • 3000RPM
  • Amplifier Models: MR-J3-40A (1) MR-J3-40B (1)
  • 0.9 kVA Power Facility Capacity
  • Rated Torque: 1.3 (184) N·m [oz·in]
  • Maximum Torque: 3.8 (538) N·m [oz·in]
  • 3000 r/min Rated Speed
  • 6900 r/min Permissible Instantaneous Speed
  • Load Motor Inertia Moment Ratio: 15 times the servo motor inertia moment maximum
  • Speed position detector: 18-bit encoder, Resolution per encoder, servo motor rotation: 262144 p/rev
  • Attachments: Motors with an oil seal are available, HF-KPMJ

Related Parts

HC-UFS72K - Mitsubishi Melservo HC Servo Motor with KEY
HC-UFS72K - Mitsubishi Melservo HC Servo Motor with KEY (HCUFS72BK)
HC-UFS73 - Mitsubishi Melservo HC Servo Motor (HCUFS73)

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-KP43 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.

More Information: HFKP43, HF-KP43, HF KP43, HF KP 43

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