Mitsubishi A Series Inverters: Comprehensive Product Selection Guide

Mitsubishi A Series Inverters are renowned for their robust reliability, high performance, and exceptional versatility in industrial applications. Tailored for smooth and precise motor control, they excel in durability with robust components and advanced cooling. The series offers compatibility with various AC motors and communication protocols, ensuring seamless integration. Beyond toughness, these inverters feature advanced capabilities, including built-in PLCs, PID control, and comprehensive fault protection. The A Series encompasses a range of models with varying power ratings, functionalities, and application focus.

Mitsubishi A700

Technical Specifications The Mitsubishi A700 Inverters feature Soft-PWM control, high carrier frequency PWM control, V/F control, advanced magnetic flux vector control, and real sensorless vector control. Output frequency ranges from 0.2 to 400 Hz. Analog inputs include:

• 0.015Hz to 60Hz (0–10V/12bit)*

• 0.03Hz to 60Hz (0–5V/11bit, 0–20mA/11bit, ±10V/12bit)

• 0.06Hz to 60Hz (±5V/11bit)

Digital resolution is 0.01 Hz with a frequency accuracy of ±0.2% at 25°C±10°C.

Performance Features

• Starting torque: 200% at 0.3Hz (0.4K to 3.7K), 150% (5.5K+)

• Accel/Decel: 0 to 3600s, Linear/S-pattern

• DC injection brake, stall prevention, and torque limitation (0-400%)

• Versatile analog/digital frequency setting

Advanced Output and Monitoring

• 5 open collector, 2 relay outputs, 4-bit alarm code

• Optional accessories (FR-A7AY, FR-A7AR)

• Monitoring: pulse/analog output (frequency, current, torque)

• PU interfaces: FR-DU07, FR-PU07, FR-PU04

• Displays: energization/operation time, alarm definitions

Environmental Resilience

• Operating Temp: -10°C to +50°C

• Humidity: 90% RH, non-condensing

• Altitude: Up to 1000m

• Vibration: 5.9 m/s² or less

Mitsubishi A740

Technical Specifications

• Control: V/F, advanced vector, sensorless vector (FR-A7AP optional)

• Carrier frequency: 0.2 to 400 Hz

• Analog input: Up to 12-bit precision

• Digital input accuracy: ±0.01%

Performance Features

• Torque: 200% at 0.3 Hz (0.4–3.7 kVA), 150% (5.5 kVA+)

• Accel/Decel: 0.1 to 3600s

• DC injection brake: 0–120 Hz, 0–10s, 0–30%

• Stall prevention: 0–220%

• Torque limit: 0–400%

Output and Protection Features

• Output signals: frequency detection, overload, brake pre-alarm

• Extensions: capacitor, fan life monitoring

• Real-time control panel and alarms

• Protections: overcurrent, overvoltage, thermal, parameter errors

Environmental Specs

• Operating Temp: -10°C to +50°C (max 40°C for 120% overload)

• Storage Temp: -20°C to +65°C

• Altitude: Up to 1000m; derate above

• Vibration: 5.9 m/s² or less

Mitsubishi A800

Technical Specifications

• Control: V/F, vector, sensorless vector, PM vector, optimum excitation

• Frequency range: 0.2 to 590 Hz

• Analog resolution: 12-bit, multiple inputs

• Accuracy: ±0.2% analog, ±0.01% digital

Torque Performance

• Sensorless vector: Up to 250% torque at 0.3 Hz

• Vector control: Up to 250% torque at 0 Hz

• Stall prevention, torque boost, DC brake

Monitoring and Protection

• Pulse output: Up to 2.4 kHz

• Current/Voltage output: 20mA DC / 10V DC max

• Operation panel: Real-time status, alarm logging

• Protections: Overcurrent, stall, undervoltage, overload, fan fault

Environmental Conditions

• Temp: -10 to +50°C (ND/HD), +40°C (SLD, IP55)

• Humidity: 90–95% RH (model dependent)

• Altitude: Up to 2500m (derated)

• Vibration: 5.9 m/s², 10–55 Hz

Mitsubishi A500

Control Overview

• Control: Soft-PWM, V/F, vector control

• Frequency: 0.2 to 400 Hz

• Analog: 12-bit/11-bit, multiple terminals

• Accuracy: ±0.2% analog, ±0.01% digital

• Configurable torque profiles

Starting/Control Features

• Torque: 150% at 0.5 Hz

• Accel/Decel: 0 to 3600s

• DC injection brake, stall prevention: 0 to 200%

Signals and Monitoring

• Functions: PID, restart, rotation prevention, tuning

• Output: Analog, pulse train, open collector

• Meter outputs: frequency, voltage, torque, etc.

• Alarm logging: 8-record memory

• Monitoring: I/O terminal state, option fitting

Protective Features

• Protections: Overcurrent, regenerative overvoltage, undervoltage, short circuit, stall, parameter error, fan/fin/PU fault, and more

Environmental Specs

• Temp: -10°C to +50°C (CT), +40°C (VT)

• Humidity: <90% RH, non-condensing

• Altitude: Up to 1000m (3% derate above)

• Storage Temp: -20°C to +65°C

Conclusion

Mitsubishi A Series Inverters are engineered for reliability, precision, and adaptability in demanding industrial environments. The A700, A740, A800, and A500 models each bring unique strengths, from enhanced motor control and torque delivery to extensive environmental tolerance and fault protection. With integrated monitoring and versatile input/output configurations, these inverters stand as a trusted choice for industrial automation and energy-efficient motor operation.

Contact PLG Automation
📧 Email: sales@plgautomation.com
📞 Phone: 800-906-9271