Designing H-Bridge Motor Drives Without Shoot-Through
A practical guide to H-bridge motor drives covering switching states, dead time, inductive current paths, PWM choices, protection, PCB layout, PLC interfacing, and staged commissioning tests.
Manufacturer: Mitsubishi Electric
Product No.: HG-SR702J
Country of origin:United States
Product Type: AC Servo Motors
Payment: T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months
Designed for high-inertia motion control applications, the Mitsubishi Electric HG-SR702J provides precise rotational positioning and high torque density within industrial automation architectures. This high-performance AC Servo Motor is engineered to deliver reliable dynamic response and stable operation under heavy load conditions.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Number | HG-SR702J |
| Series | HG-SR Series |
| Rated Output | 7.0 kW |
| Rated Speed | 2000 r/min |
| Rated Current | 26 A |
| Maximum Torque | 100 Nm |
| Insulation Class | 155 (F) |
| Vibration Rank | V10 |
| Oil Seal | Integrated (J-type) |
| Thermistor | None |
| Net Weight | 27 kg |
| Shipping Weight | 29 kg |
The HG-SR702J is designed to operate in combination with specific MR-J4 series servo amplifiers. When replacing legacy HC-SFS series motors, verify that the encoder resolution parameters and physical mounting dimensions align, as modern HG-SR series units utilize high-resolution absolute encoders requiring compatible drive firmware.
Due to the high rated current draw of 26 A, ensure the power supply cables are sized correctly to prevent voltage drops during peak acceleration phases. This motor must be installed in environments free from corrosive or flammable gases, as exposure can degrade the internal winding insulation and lead to premature winding faults.
Always use shielded, twisted-pair cables for the encoder connection to mitigate electromagnetic interference (EMI) from the high-current power lines. Ensure the motor frame is securely grounded to the main control panel ground bus to minimize noise-induced encoder feedback faults.
CRITICAL WARNING
Ensure all electrical power sources are completely de-energized and locked out before attempting installation or maintenance. Allow residual capacitive charges in the associated servo amplifier to fully discharge (minimum 15 minutes) before disconnecting any power or feedback cables.
Mount the motor securely to a rigid, vibration-resistant machine base using high-tensile mounting bolts tightened to the manufacturer's specified torque.
Align the motor shaft precisely with the driven load shaft. Misalignment exceeding specified tolerances will accelerate bearing and oil seal wear.
Connect the power and encoder cables, ensuring all connector seals are properly seated to maintain the environmental protection rating.
Global Express Shipping
Returns & Warranty

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
|