Part Number - HC-KFS23B

HC-KFS23B is

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Product Details

  • Melservo HC Servo Motor with a Brake (HCKFS23B)
  • Manufacturer: Mitsubishi
  • Series: MELSERVO HC

Product Description

The Mitsubishi HC-KFS23B (HCKFS23B) is a Melservo HC series servo motor with a brake. This servo motor has an output of 200W and a current of 1.1A, but the current may be permitted to be 3.4A. The rated speed which is calculated by rotations per minute (rpm) is 3000rpm, while the maximum rotations per minute allowed is 4500rpm. The HC-KFS23B servo motor is still allowed run at a speed of 5175rpm. The torque is 0.64 (N x m) 90.6 (oz x in); but the maximum torque is 1.9 (N x m) 269.0 (oz x in).

There are four amplifiers that the HC-KFS23B servo motor with brake may link to the MR-J2S-20A, MR-J2S-20B, MR-J2S-CP, and MR-J2S-CL. The servo motor can attach to the CN2 port of any of the applicable servo amplifiers with its encoder. The servo motor may also attach to the U, V, and W screw terminals on the servo amplifiers. The HC-KFS23B servo motor is a low inertia motor with a small capacity. A low inertia motor, like the HC-KFS23B servo motor may connect with a large variety of applications such as the robots, X-Y tables, and many other machines and devices.

The HC-KFS23B servo motor with a brake has an enclosure rating of IP55. This rating which has been given preserves the servo motor with brake from dust which may be deleterious, although it is not entirely dust resistant. The servo motor is also protected against water sprayed upon it.

Here is the source material that may have been referenced:

Technical Specifications

Part Number: HC-KFS23B (HCKFS23B)
Module Type: Servo Motor with a Brake
Voltage: 118VAC
RPM: 3000r/min
Output Wattage: 200W
Weight: 3.53lbs (1.6kg)

Related Parts

HC-UFS73 - Mitsubishi Melservo HC Servo Motor (HCUFS73)
MR-J4-100B - Mitsubishi Melservo MR-J4 Servo Amplifier
HC-UFS72K - Mitsubishi Melservo HC Servo Motor with KEY

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 MELSERVO HC Shipping options vary by location. Call for an accurate quote.


  • The Mitsubishi HC-KFS23B 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 MELSERVO-HC 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 MELSERVO-HC parts available for purchase.

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