Engineered for high-precision, low-inertia motion profiles, the Mitsubishi Electric HF-KP73B AC servo motor provides reliable performance within the MELSERVO-J3 and MR-JN control architectures. This industrial-grade rotary actuator features a rated output power of 750 Watts (0.75 kW) and incorporates an integrated electromagnetic holding brake, making it suitable for vertical axis applications where load retention during power-loss events is critical. Designed with a compact 80mm frame size, it maintains high torque density while minimizing physical footprints in tight enclosure configurations.
| Parameter | Value / Specification |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Number | HF-KP73B |
| Series | MELSERVO HF-KP Series |
| Rated Output Power | 750 Watts (0.75 kW) |
| Power Supply Compatibility | 3-phase 200VAC class (can run on single-phase 200VAC when paired with compatible MR drives) |
| Rated Current | 5.2 A |
| Peak Current | 15.6 A |
| Rated Speed | 3000 r/min |
| Maximum Speed | 6000 r/min |
| Rated Torque | 2.4 N-m |
| Maximum Torque | 7.2 N-m |
| Rotor Inertia | 1.52 x 10^-4 kg-m² (with brake integrated) |
| Electromagnetic Brake Voltage | 24 VDC (-10% to +10%) |
| Electromagnetic Brake Power Consumption | 10 Watts at 20 degC |
| Shaft Specifications | 19mm Diameter (h6 tolerance) |
| Ingress Protection Rating | IP65 (excluding shaft passage) |
| Ambient Operating Temperature | 0 to 40 degC |
| Net Motor Weight | 2.9 kg (6.39 lbs) |
| Shipping Weight (Calculated) | 4.0 kg (8.81 lbs) |
| Motor Housing Dimensions | 80 mm x 80 mm x 153.8 mm (excluding shaft length) |
| Connection Lead / Connector Type | Wire Color / Pinout | Functional Assignment |
|---|---|---|
| Power Cable Lead | Red | U-Phase Motor Power Input |
| White | V-Phase Motor Power Input | |
| Black | W-Phase Motor Power Input | |
| Green / Yellow | Frame Ground (PE) | |
| Electromagnetic Brake Lead | Blue (or Yellow with tag) | Brake Control +24VDC (Non-polar) |
| Blue (or Black with tag) | Brake Control 0VDC (Non-polar) | |
| Encoder Interface | Circular Multi-pin Connector | High-resolution Serial Communication feedback to MR Series Servo Amplifier |
The HF-KP73B represents the 200V low-inertia design standard in the MELSERVO-J3 physical footprint. When integrating this unit with MR-J3-70A or MR-J3-70B amplifiers, ensure that parameter configurations match the exact motor ID of the HF-KP series. Note that replacing an older HC-KFS73B motor with the HF-KP73B requires verification of parameter compatibility within the servo amplifier as the encoder technology changed from incremental to serial absolute high-resolution.
The integrated electromagnetic brake is strictly designed as a holding brake to maintain position when the motor is de-energized. It must never be used for active deceleration or emergency stopping during dynamic shaft rotation, as doing so will prematurely wear out the internal friction pad material and lead to positional slippage under load. Always verify that radial shaft loads do not exceed 392 N and axial loads do not exceed 147 N to prevent bearing failure.
When routing cables for the brake and power circuits, do not run the 24VDC brake supply wires parallel to the motor power output cables without adequate shielding. High frequency PWM carrier noise from the servo drive's U/V/W output lines can induce transient voltages onto the brake coil wire, potentially causing intermittent brake chatter or micro-slipping. Always install a surge-absorbing diode across the brake control relay contacts to suppress inductive kickback upon coil de-energization.
Before beginning mechanical installation or diagnostic electrical work, disconnect all main input power supplies to the servo amplifier and wait a minimum of 15 minutes to allow internal DC bus capacitors to fully discharge. Confirm 0VDC using a calibrated voltmeter at the drive terminal block before handling power connection leads.
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Returns & Warranty
Manufacturer: Mitsubishi Electric
Product No.: HF-KP73B
Country of origin:United States
Product Type: AC Servo Motors
Payment: T/T, Western Union
Weight: 2900g
Dimensions: 80 mm x 80 mm x 153.8 mm
Shipping port: Xiamen
Warranty: 12 months
Engineered for high-precision, low-inertia motion profiles, the Mitsubishi Electric HF-KP73B AC servo motor provides reliable performance within the MELSERVO-J3 and MR-JN control architectures. This industrial-grade rotary actuator features a rated output power of 750 Watts (0.75 kW) and incorporates an integrated electromagnetic holding brake, making it suitable for vertical axis applications where load retention during power-loss events is critical. Designed with a compact 80mm frame size, it maintains high torque density while minimizing physical footprints in tight enclosure configurations.
| Parameter | Value / Specification |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Number | HF-KP73B |
| Series | MELSERVO HF-KP Series |
| Rated Output Power | 750 Watts (0.75 kW) |
| Power Supply Compatibility | 3-phase 200VAC class (can run on single-phase 200VAC when paired with compatible MR drives) |
| Rated Current | 5.2 A |
| Peak Current | 15.6 A |
| Rated Speed | 3000 r/min |
| Maximum Speed | 6000 r/min |
| Rated Torque | 2.4 N-m |
| Maximum Torque | 7.2 N-m |
| Rotor Inertia | 1.52 x 10^-4 kg-m² (with brake integrated) |
| Electromagnetic Brake Voltage | 24 VDC (-10% to +10%) |
| Electromagnetic Brake Power Consumption | 10 Watts at 20 degC |
| Shaft Specifications | 19mm Diameter (h6 tolerance) |
| Ingress Protection Rating | IP65 (excluding shaft passage) |
| Ambient Operating Temperature | 0 to 40 degC |
| Net Motor Weight | 2.9 kg (6.39 lbs) |
| Shipping Weight (Calculated) | 4.0 kg (8.81 lbs) |
| Motor Housing Dimensions | 80 mm x 80 mm x 153.8 mm (excluding shaft length) |
| Connection Lead / Connector Type | Wire Color / Pinout | Functional Assignment |
|---|---|---|
| Power Cable Lead | Red | U-Phase Motor Power Input |
| White | V-Phase Motor Power Input | |
| Black | W-Phase Motor Power Input | |
| Green / Yellow | Frame Ground (PE) | |
| Electromagnetic Brake Lead | Blue (or Yellow with tag) | Brake Control +24VDC (Non-polar) |
| Blue (or Black with tag) | Brake Control 0VDC (Non-polar) | |
| Encoder Interface | Circular Multi-pin Connector | High-resolution Serial Communication feedback to MR Series Servo Amplifier |
The HF-KP73B represents the 200V low-inertia design standard in the MELSERVO-J3 physical footprint. When integrating this unit with MR-J3-70A or MR-J3-70B amplifiers, ensure that parameter configurations match the exact motor ID of the HF-KP series. Note that replacing an older HC-KFS73B motor with the HF-KP73B requires verification of parameter compatibility within the servo amplifier as the encoder technology changed from incremental to serial absolute high-resolution.
The integrated electromagnetic brake is strictly designed as a holding brake to maintain position when the motor is de-energized. It must never be used for active deceleration or emergency stopping during dynamic shaft rotation, as doing so will prematurely wear out the internal friction pad material and lead to positional slippage under load. Always verify that radial shaft loads do not exceed 392 N and axial loads do not exceed 147 N to prevent bearing failure.
When routing cables for the brake and power circuits, do not run the 24VDC brake supply wires parallel to the motor power output cables without adequate shielding. High frequency PWM carrier noise from the servo drive's U/V/W output lines can induce transient voltages onto the brake coil wire, potentially causing intermittent brake chatter or micro-slipping. Always install a surge-absorbing diode across the brake control relay contacts to suppress inductive kickback upon coil de-energization.
Before beginning mechanical installation or diagnostic electrical work, disconnect all main input power supplies to the servo amplifier and wait a minimum of 15 minutes to allow internal DC bus capacitors to fully discharge. Confirm 0VDC using a calibrated voltmeter at the drive terminal block before handling power connection leads.
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
United States
|
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