Mitsubishi FR-D720S-0.75K-CHT FREQROL-D700 Single-Phase Micro Inverter 0.75kW

Mitsubishi Electric FR-D720S-0.75K-CHT is a compact micro frequency inverter from the FREQROL-D700 series, designed for controlling three-phase induction motors using a single-phase 200‑240 V AC power supply. Rated output 0.75 kW (1 HP) at 200‑240 V, 3‑phase. Built‑in RS‑485 communication (Mitsubishi inverter protocol and Modbus‑RTU), general-purpose magnetic flux vector control for enhanced low‑speed torque performance, and integrated safety stop function (STO – SIL2/PLd). IP20 enclosure, self-cooling, compact footprint. Suitable for upgrading single‑phase equipment to variable speed control in industrial automation.

Applications:

• Conveyor speed regulation and material handling

• Fan and blower speed control in HVAC systems

• Pump speed control and fluid handling

• Small packaging machinery and food processing equipment

• General OEM machine automation

Core Specifications:

• Motor power: 0.75 kW (1 HP)

• Output capacity (kVA): 1.6 kVA

• Output current: 4.2 A

• Output voltage: 3‑phase 200‑240 V AC (max. output voltage adjustable)

• Output frequency range: 0.2–400 Hz

• Input voltage: Single‑phase 200‑240 V AC (±10%), 50/60 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

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

• Control modes: Forward/reverse rotation, multi‑speed operation (up to 16 speeds), PID control

• Built‑in communication: RS‑485 (Modbus‑RTU, Mitsubishi inverter protocol)

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

• I/O summary: 5 digital inputs, 3 digital outputs, 2 analog inputs (0‑5 V DC, 0‑10 V DC, 4‑20 mA)

• Enclosure rating: IP20

• Cooling method: Self‑cooling

• Weight: approx. 1.1 kg

• Dimensions (W × H × D): 68 mm × 128 mm × 162.5 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

• Regeneration avoidance: Slip compensation

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

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

• EMC filter: Optional noise filter available (EMC Directive compliant)

• Parameter setting tools: FR Configurator (PC software via RS‑485)

System Integration:

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

• Designed for single‑phase AC input applications where three‑phase power supply is not available.

• Converts single‑phase 200‑240 V AC input to three‑phase 200‑240 V AC output for standard three‑phase induction motors.

• 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.

Compatibility information:

• Compatible with Mitsubishi Electric FR‑D700 series inverters (FR‑D720‑0.1K to 7.5K).

• Replacement for FR‑D700‑G series geared motor drive units (refer to installation manual).

• Supports FR‑Configurator (inverter setup software) for PC‑based parameter management and data logging.

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 (separately necessary)

• FR‑D720‑0.75K – Three‑phase input version of the same power rating

• Noise filter – Optional EMC Directive compatible filter (EN61800‑3 2nd Environment Category C3