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MR-J4-350A

The MR-J4-350A is a 3.5kW high-power servo amplifier from Mitsubishi Electric's flagship MR-J4 Series, engineered for heavy-duty industrial automation applications requiring both brute force and precision control. With its 22-bit absolute encoder interface and advanced motion control algorithms, this drive delivers uncompromising performance in the most demanding environments

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Key Specifications
Parameter Specification
Model MR-J4-350A
Rated Output 3.5 kW (4.7 HP)
Rated Current 17 A
Peak Current 51 A (300% for 50ms)
Input Voltage 3-phase 200-230V AC (±10%), 50/60 Hz
Control Modes Position/Speed/Torque/Advanced Position Control
Feedback System 22-bit absolute encoder (0.00004° resolution)
Communication Dual-port SSCNET III/H (fiber optic)
Protection Class IP20 (requires IP54 enclosure for harsh environments)
Regenerative Capacity 100W built-in + external resistor support
Ambient Temperature 0°C to +55°C (derating above 40°C)
Dimensions (W×H×D) 145 × 220 × 159 mm
Weight 4.2 kg
Advanced Features
✔ Precision Redefined - 22-bit multi-turn absolute encoder eliminates homing routines
✔ Adaptive Control - Real-time vibration suppression with machine resonance analyzer
✔ Dual-Loop Control - Optional secondary encoder input for enhanced accuracy
✔ Safety Certified - STO (Safe Torque Off) compliant with SIL3/PLe
✔ Network Ready - Seamless integration via CC-Link IE Field Basic option