Mitsubishi HG-SR702J 7kW Brushless Servo Motor IP67 22-Bit
Introduction:
The Mitsubishi HG-SR702J is a high-performance brushless servo motor for industrial automation. This unit delivers 7 kW of output power for medium capacity applications. The motor features medium inertia design for balanced responsiveness and stability. You get a 22-bit absolute encoder for precise position feedback. Use this HG-SR702J for demanding motion control tasks in harsh environments.
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Product Attributes:
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Technical Specifications
The Mitsubishi HG-SR702J provides exceptional power density in a compact frame. This brushless servo motor operates on a 200VAC power class. The rated current runs at 26A for normal operation. Under peak loads, the maximum current reaches 83A for short periods.
Speed and Power Parameters
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Output Power: 7 kW for medium to high torque applications.
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Rated Speed: 2000 rpm for continuous operation.
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Maximum Speed: 3000 rpm for dynamic responsiveness.
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Inertia Type: Medium inertia for load handling stability.
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Capacity Class: Medium capacity for versatile industrial tasks.
Encoder and Feedback
The HG-SR702J uses a 22-bit absolute encoder for superior position control. This high resolution provides detailed feedback for accurate motor positioning. The absolute design eliminates homing routines after power loss. You get precise speed and torque control across the full speed range.
Environmental Protection
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IP Rating: IP67 for complete dust and water ingress protection.
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Oil Seal: Included for enhanced resistance in oily environments.
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Operating Temperature: 0°C to +40°C for normal industrial use.
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Storage Temperature: -15°C to +70°C for warehouse storage.
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Voltage Class: 200VAC class for standard Asian and European power systems.
The IP67 rating means this motor withstands temporary immersion in water. The included oil seal protects internal components from lubricant exposure. This makes the Mitsubishi HG-SR702J ideal for machine tools and food processing equipment.
Current Characteristics
| Parameter | Value |
|---|---|
| Rated Current | 26A |
| Maximum Current | 83A |
| Voltage Class | 200VAC |
| Motor Type | Brushless Servo |
Physical Specifications
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Weight: 4.14 kg (9.13 lbs) for easy handling and mounting.
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Motor Type: Brushless design for maintenance-free operation.
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Cooling: Natural convection (fanless).
Application Scenarios
The Mitsubishi HG-SR702J suits many industrial motion control applications.
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Machine Tools – Spindle drives and feed axes with oil exposure.
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Packaging Machinery – High speed indexing and cutting operations.
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Robotics – Joint actuation requiring IP67 protection.
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Material Handling – Conveyor systems with washdown requirements.
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Printing Presses – Precise registration at varying speeds.
The medium inertia characteristic balances fast response with load stability. The 22-bit absolute encoder eliminates the need for limit switches in many applications.
Installation Guidelines
Follow these steps to install your Mitsubishi HG-SR702J servo motor correctly.
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Inspect the Motor – Check for shipping damage to the shaft and connector.
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Verify Mounting Surface – Ensure the mounting flange is flat and clean.
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Mount the Motor – Secure the HG-SR702J using four M8 bolts (not included).
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Connect the Power Cable – Use properly sized wires for 26A rated current.
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Connect the Encoder Cable – Route the encoder cable away from power cables.
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Ground the Motor Frame – Connect the ground terminal to system earth.
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Couple the Load – Align the shaft carefully to avoid radial stress.
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Configure the Drive – Set the servo amplifier parameters for 7kW output.
Do not exceed 83A maximum current for more than a few seconds. This will trigger the drive overcurrent protection.
Package Contents (No Certificates or Warranty Terms)
Your shipment for product number HG-SR702J includes the following items:
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1 x Mitsubishi HG-SR702J Brushless Servo Motor
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1 x Oil seal pre-installed on the shaft end
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1 x Installation instruction sheet (printed)
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1 x Protective plastic bag for storage
Note: Power cables, encoder cables, and servo amplifier are sold separately.
Frequently Asked Questions (FAQ)
1. Which servo amplifier works with the Mitsubishi HG-SR702J?
The HG-SR702J pairs with Mitsubishi MELSERVO J4 or J5 series amplifiers. Use a 200V class amplifier rated for 7kW or higher.
2. What does the 22-bit absolute encoder provide for this motor?
The 22-bit absolute encoder delivers 4,194,304 pulses per revolution. You get high precision positioning without homing after power cycles.
3. Can I use the HG-SR702J in outdoor or wet environments?
Yes. The IP67 rating protects against rain and temporary submersion. The oil seal adds protection against coolant and lubricant exposure.
4. How does medium inertia affect my machine performance?
Medium inertia handles higher load ratios than low inertia motors. Your machine gets stable operation with less tuning effort.
5. What is the maximum shaft speed for continuous operation?
The rated continuous speed is 2000 rpm. You can run at 3000 rpm intermittently. Check the duty cycle before sustained high speed operation.
6. Does this motor require a cooling fan?
No. The HG-SR702J uses natural convection cooling. Keep sufficient clearance around the motor for airflow.
Why Choose This Model?
The Mitsubishi HG-SR702J offers rugged reliability for demanding industrial tasks. Its IP67 rating and oil seal protect against dust, water, and lubricants. The 22-bit absolute encoder delivers micron-level positioning accuracy. The 7kW output power handles medium capacity loads with ease. The medium inertia design provides stable load handling without excessive tuning. Choose this HG-SR702J for machine tools, packaging lines, robotics, and food processing equipment where reliability and precision matter most.