HF-KP73B MITSUBISHI Industrial Servo Drives 200-230v 20.00 Lbs 1.5/0.6A
HF-KP73B Description
The Mitsubishi HF-KP73B is a high-performance, low-inertia AC servo motor designed for use with the MELSERVO‑J3 series amplifiers. With a rated power of 750W, it delivers fast response, high precision, and stable torque output for positioning, speed control, and continuous duty applications in compact automation machinery. This model features a built-in 18-bit absolute encoder and a smooth, keyway-free shaft with a tapered rear section for high‑speed balance and low vibration. It is widely used in high‑speed assembly, conveying, machining, and robotics where accuracy and dynamic performance are critical.
HF-KP73B Key Features
- Low‑inertia rotor design for extremely fast acceleration and deceleration
- 18‑bit absolute encoder (262,144 pulses/rev) for ultra‑high positioning accuracy
- Smooth, keyway‑less shaft for high‑speed operation and low vibration
- High torque-to-inertia ratio ideal for high‑frequency start‑stop motion
- Compact, lightweight construction for space‑constrained equipment
- IP65 front protection (excluding shaft end) against dust and water splashes
- Built-in thermal protection for safe continuous operation
- Excellent low‑speed smoothness and minimal cogging
- Fully compatible with MR-J3 series servo amplifiers
HF-KP73B Materials & Applications
Materials
- Housing: Die‑cast aluminum alloy with corrosion‑resistant coating
- Shaft: Hardened precision steel for high rigidity and wear resistance
- Stator: High‑grade silicon steel with high‑efficiency copper windings
- Rotor: High‑performance neodymium permanent magnets
- Bearings: Precision industrial ball bearings for long service life
- Encoder: Optical absolute encoder with high noise immunity
- Internal wiring: Heat‑resistant, flame‑retardant insulated cables
Typical Applications
- High‑speed assembly robots and pick‑and‑place systems
- Semiconductor and electronic manufacturing equipment
- Small CNC machines, drilling, and tapping units
- Packaging, labeling, and printing machinery
- Conveyor systems and precision positioning tables
- Textile, winding, and cutting machines
- Medical and laboratory automation devices
- General industrial automation requiring fast, accurate motion
HF-KP73B Important Parameters
| Parameter |
Specification |
| Part Number |
HF‑KP73B |
| Brand |
Mitsubishi Electric |
| Series |
MELSERVO‑J3 |
| Motor Type |
Low‑inertia AC servo motor |
| Rated Output |
750 W (0.75 kW) |
| Rated Torque |
2.4 N·m |
| Maximum Torque |
7.2 N·m |
| Rated Speed |
3000 r/min |
| Maximum Speed |
6000 r/min |
| Rotor Inertia |
0.000143 kg·m² |
| Encoder |
18‑bit absolute encoder (262,144 p/rev) |
| Rated Current |
5.2 A |
| Insulation Class |
Class B |
| Protection Rating |
IP65 (front section) |
| Shaft Type |
Smooth shaft (no keyway) |
| Flange Size |
80 × 80 mm |
| Length |
153.8 mm |
| Weight |
Approx. 2.9 kg |
| Operating Temperature |
0°C ~ +40°C |
| Storage Temperature |
-15°C ~ +70°C |
| Humidity |
10% ~ 80% RH (non‑condensing) |
| Compatible Amplifiers |
MR‑J3‑70A, MR‑J3‑70B, MR‑J3‑70T |
| Certifications |
CE, UL/cUL, RoHS |
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