Mitsubishi FR-D740-1.5K FREQROL-D700 3‑Phase 400V 1.5kW AC Drive

Mitsubishi Electric FREQROL-D700 FR-D740-1.5K is a compact frequency inverter for speed control of three‑phase induction motors. Rated output 1.5 kW (2 HP) at 380‑480 V, 3‑phase. General-purpose magnetic flux vector control provides 150% starting torque at 1 Hz for reliable low‑speed operation. Built‑in RS‑485 communication (Modbus‑RTU, Mitsubishi inverter protocol), built‑in brake transistor, integrated PID control, and STO safety function. Forced air cooling, IP20 enclosure.

Applications:

• Conveyor speed regulation and material handling

• Fan and blower speed control

• Small pump speed regulation and fluid handling

• Packaging machinery and food processing equipment

• General OEM machine automation and light industrial machinery

Core Specifications:

• Motor power: 1.5 kW (2 HP)

• Output capacity: 2.7 kVA

• Rated output current: 3.6 A

• Input voltage: 3‑phase 380‑480 V AC, 50/60 Hz (permissible fluctuation 325‑528 V)

• Output voltage: 3‑phase 380‑480 V AC (max., adjustable)

• Output frequency range: 0.2–400 Hz

• Overload capacity: 150% for 60 s, 200% for 0.5 s (inverse‑time characteristic)

• Control methods: V/F control, general‑purpose magnetic flux vector control, optimum excitation control

• Starting torque: ≥150% at 1 Hz (vector control)

• Brake transistor: Built‑in

• Safety function: STO (Safe Torque Off) – SIL2/PLd

• Communication: RS‑485 (Modbus‑RTU, Mitsubishi inverter protocol)

• Enclosure rating: IP20

• Cooling method: Forced air cooling

• Weight: approx. 1.3 – 1.4 kg

• Dimensions (W × H × D): approx. 108 mm × 128 mm × 135.5 mm

• Operating temperature: –10 °C … +50 °C

Advanced Specifications:

• Carrier frequency: Soft‑PWM / adjustable high carrier frequency PWM

• Acceleration/deceleration time: 0.1–3600 s (linear or S‑curve)

• Multi‑speed operation: up to 16 pre‑set speeds

• PID control: built‑in for closed‑loop process control

• Auto‑tuning: offline auto‑tuning for motor parameters

• Protection functions: overcurrent, overvoltage, undervoltage, overload (electronic thermal), output short‑circuit, earth fault, heatsink overheat, input phase loss, output phase loss, CPU fault, brake transistor alarm

• Digital inputs: 7 (source/sink configurable)

• Digital outputs: 1 relay output (SPDT, programmable), 1 open‑collector transistor (programmable), 1 pulse train output for indicator, 1 safety monitor output (SO)

• Analog inputs: 2 (0‑5 V, 0‑10 V, 4‑20 mA)

• Analog output: 1 (0‑10 V DC)

System Integration:

• This inverter belongs to the Mitsubishi Electric FREQROL‑D700 series.

• RS‑485 communication via PU connector supports Modbus‑RTU and Mitsubishi inverter protocol for parameter setting, monitoring, and control.

• Parameter setting and monitoring via integrated digital dial/keypad, optional FR Configurator software, or FR‑PA07 enclosure surface operation panel.

• DIN rail mounting possible with optional FR‑UDA01 mounting adapter.

• For detailed installation, wiring, parameter settings, and safety precautions, refer to the FR-D700 Instruction Manual (Basic) and the FR-D700 Instruction Manual (Applied).

Standards & Compliance:
Refer to manufacturer official documentation for detailed certification and compliance information.

Related Products:

• FR‑PA07 – Enclosure surface operation panel (optional, requires FR‑CB20□ connection cable)

• FR‑PU07 – Parameter unit with numeric keypad and multi‑language display (optional)

• FR‑CB20□ – Parameter unit connection cable

• FR‑D740‑0.75K – 0.75 kW version for lower power requirements

• FR‑D740‑2.2K – 2.2 kW version for higher power requirements

• FR‑E800 series – Next‑generation replacement (FR‑E840‑0040‑4‑60) with enhanced performance