Mitsubishi FR-D740-2.2K-CHT FREQROL-D700 2.2kW 3-Phase 400V AC Drive

Mitsubishi Electric FREQROL‑D700 FR‑D740‑2.2K‑CHT is a compact high‑performance frequency inverter for controlling three‑phase induction motors in industrial automation systems. Rated output 2.2 kW (3 HP) at 380‑480 V, 3‑phase input. Built‑in RS‑485 communication (Modbus‑RTU, Mitsubishi inverter protocol), general‑purpose magnetic flux vector control for enhanced low‑speed torque (150% at 1 Hz), integrated digital dial for quick setup, built‑in braking transistor, and STO safety function (SIL2/PLd). Forced air cooling, IP20 enclosure.

Applications:

• Conveyor speed regulation and material handling

• Fan and blower speed control in HVAC systems

• Pump speed control and fluid handling

• Packaging machinery and food processing equipment

• Small hoists and light lifts

• General OEM machine automation

Technical Specifications:

Core Specifications

• Motor power: 2.2 kW (3 HP)

• Output capacity: 4.6 kVA (at 440 V)

• Output current: 5.0 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 range)

• 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)

• Built‑in braking transistor: Yes

• Safety function: STO (Safe Torque Off) – SIL2/PLd (EN ISO 13849‑1 Category 3, EN 62061, IEC 61508)

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

• Display: Integrated digital dial/keypad (4‑digit LED)

• Enclosure rating: IP20

• Cooling method: Forced air cooling

• Dimensions (W × H × D): 108 mm × 128 mm × 155.5 mm

• Weight: approx. 1.4 – 1.5 kg

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

Power Supply & Protection

• Permissible input voltage fluctuation: 325‑528 V AC

• Permissible input frequency fluctuation: 50/60 Hz ±5%

• 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, PTC thermistor input

I/O & Interfaces

• Digital inputs: 7 (source/sink configurable, includes 2 dedicated STO inputs)

• 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)

• Terminal block type: Screw clamp

Advanced Specifications:

• Carrier frequency: Soft‑PWM / adjustable high carrier frequency PWM (0.5‑15 kHz)

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

• 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

• Functions: Frequency jump, second function setting, slip compensation, regeneration avoidance, droop control, automatic restart after instantaneous power failure, forward/reverse rotation prevention, password protection

• Frequency resolution: Digital dial 0.01 Hz, analog input 0.015 Hz (0‑60 Hz)

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

Standards & Compliance:
EN ISO 13849‑1 Category 3, EN 62061, IEC 61508 (SIL2/PLd). CE, UL, RoHS. Refer to manufacturer official documentation for detailed certification and compliance information.

Related Products:

• Lower power → FR‑D740‑0.75K‑CHT (0.75 kW, similar specifications)

• Current model → FR‑D740‑2.2K‑CHT (2.2 kW, 3‑phase 400V class)

• Higher power → FR‑D740‑3.7K‑CHT (3.7 kW, 3‑phase 400V class)

• Braking resistor (optional, for high‑inertia loads) → FR‑ABR‑2.2K (external braking resistor for improved deceleration)

• Operation panel (optional) → FR‑PA07 (enclosure surface operation panel, requires FR‑CB20□ connection cable)

• Parameter unit → FR‑PU07 (LCD parameter unit with numeric keypad and multi‑language display)

• DIN rail mounting adapter → FR‑UDA01