Optimizing space-constrained motor control architectures, the Mitsubishi Electric FR-D720-0.75K micro-drive delivers precise speed regulation and high-torque performance for three-phase induction motors up to 0.75 kW (1 HP). This variable frequency drive operates on a three-phase 200V class input, utilizing advanced general-purpose magnetic flux vector control to achieve starting torques exceeding 150% at 1 Hz. Its highly compact frame makes it an ideal choice for conveyors, packaging machines, fan and pump drives, and automated material handling systems requiring high reliability and simplified integration.
| Parameter | Specification Values |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Number | FR-D720-0.75K |
| Product Series | FREQROL-D700 Series |
| Applicable Motor Capacity | 0.75 kW (1 HP) |
| Rated Output Current | 4.2 A |
| Rated Output Capacity | 1.7 kVA |
| Output Voltage Rating | 3-Phase 200 to 240 VAC |
| Overload Current Rating | 150% for 60 seconds, 200% for 0.5 seconds |
| Input Voltage Class | Three-Phase 200V Class |
| Input AC Voltage & Frequency | 3-Phase 200 to 240 VAC, 50 Hz / 60 Hz |
| Allowable Voltage Variation | 170 to 264 VAC |
| Power Supply Frequency Tolerance | +/- 5% |
| Control Method | Soft-PWM / High Carrier Frequency PWM (V/F Control, Magnetic Flux Vector Control selectable) |
| Output Frequency Range | 0.2 to 400 Hz |
| Cooling Method | Self-cooling |
| Protective Structure | Enclosed Type (IP20) |
| Ambient Operating Temperature | -10 to +50 degC (non-freezing) |
| Ambient Operating Humidity | 90% RH or less (non-condensing) |
| Shipping Weight (Calculated) | 2.0 kg |
| Product Dimensions | 68 mm (W) x 128 mm (H) x 142.5 mm (D) |
| Terminal / Port | Function / Circuit Assignment |
|---|---|
| L1, L2, L3 | Three-phase AC power input |
| U, V, W | Three-phase AC output to induction motor |
| Terminal 2 | Analog frequency setting input (0 to 10 V / 0 to 5 V selectable) |
| Terminal 4 | Analog input (0 to 10 V / 0 to 5 V / 4 to 20 mA selectable) |
| FM | Pulse train output monitor (Up to 2.4 kHz) |
| RJ-45 Port | RS-485 Modbus RTU interface / PU connection |
The FR-D720-0.75K acts as a direct modern replacement for legacy FR-S520-0.75K drives. Note that control terminal layouts differ; the newer D700 series uses vibration-resistant spring-clamp terminals instead of traditional screw terminals. When migrating configurations from legacy drives, parameter maps generally align, but you must manually check Parameter 79 (Operation Mode Selection) to ensure the network or external start commands route correctly.
Because this small frame size utilizes natural convection (self-cooling) and lacks an internal cooling fan, it is highly sensitive to ambient heat concentration. If mounted inside compact, unventilated enclosures, the drive will rapidly trigger an Overheat (E.THT or E.FIN) fault. Ensure a minimum of 50 mm clearance above and below the drive and verify that panel temperatures do not exceed 50 degC under continuous duty cycles.
When configuring Modbus RTU communications via the integrated RJ-45 connection, remember that standard Ethernet patch cables can be used, but you must terminate the end-of-line drive with a 120-ohm resistor between the SDA and SDB signals to prevent communication timeouts. Always route control signal lines and main power lines in separate conduits to eliminate EMI induced noise on critical analog input terminals (Terminal 2 and 4).
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Returns & Warranty
Manufacturer: Mitsubishi Electric
Product No.: FR-D720-0.75K
Country of origin:United States
Product Type: Variable Frequency Drives
Payment: T/T, Western Union
Weight: 2000g
Shipping port: Xiamen
Warranty: 12 months
Optimizing space-constrained motor control architectures, the Mitsubishi Electric FR-D720-0.75K micro-drive delivers precise speed regulation and high-torque performance for three-phase induction motors up to 0.75 kW (1 HP). This variable frequency drive operates on a three-phase 200V class input, utilizing advanced general-purpose magnetic flux vector control to achieve starting torques exceeding 150% at 1 Hz. Its highly compact frame makes it an ideal choice for conveyors, packaging machines, fan and pump drives, and automated material handling systems requiring high reliability and simplified integration.
| Parameter | Specification Values |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Number | FR-D720-0.75K |
| Product Series | FREQROL-D700 Series |
| Applicable Motor Capacity | 0.75 kW (1 HP) |
| Rated Output Current | 4.2 A |
| Rated Output Capacity | 1.7 kVA |
| Output Voltage Rating | 3-Phase 200 to 240 VAC |
| Overload Current Rating | 150% for 60 seconds, 200% for 0.5 seconds |
| Input Voltage Class | Three-Phase 200V Class |
| Input AC Voltage & Frequency | 3-Phase 200 to 240 VAC, 50 Hz / 60 Hz |
| Allowable Voltage Variation | 170 to 264 VAC |
| Power Supply Frequency Tolerance | +/- 5% |
| Control Method | Soft-PWM / High Carrier Frequency PWM (V/F Control, Magnetic Flux Vector Control selectable) |
| Output Frequency Range | 0.2 to 400 Hz |
| Cooling Method | Self-cooling |
| Protective Structure | Enclosed Type (IP20) |
| Ambient Operating Temperature | -10 to +50 degC (non-freezing) |
| Ambient Operating Humidity | 90% RH or less (non-condensing) |
| Shipping Weight (Calculated) | 2.0 kg |
| Product Dimensions | 68 mm (W) x 128 mm (H) x 142.5 mm (D) |
| Terminal / Port | Function / Circuit Assignment |
|---|---|
| L1, L2, L3 | Three-phase AC power input |
| U, V, W | Three-phase AC output to induction motor |
| Terminal 2 | Analog frequency setting input (0 to 10 V / 0 to 5 V selectable) |
| Terminal 4 | Analog input (0 to 10 V / 0 to 5 V / 4 to 20 mA selectable) |
| FM | Pulse train output monitor (Up to 2.4 kHz) |
| RJ-45 Port | RS-485 Modbus RTU interface / PU connection |
The FR-D720-0.75K acts as a direct modern replacement for legacy FR-S520-0.75K drives. Note that control terminal layouts differ; the newer D700 series uses vibration-resistant spring-clamp terminals instead of traditional screw terminals. When migrating configurations from legacy drives, parameter maps generally align, but you must manually check Parameter 79 (Operation Mode Selection) to ensure the network or external start commands route correctly.
Because this small frame size utilizes natural convection (self-cooling) and lacks an internal cooling fan, it is highly sensitive to ambient heat concentration. If mounted inside compact, unventilated enclosures, the drive will rapidly trigger an Overheat (E.THT or E.FIN) fault. Ensure a minimum of 50 mm clearance above and below the drive and verify that panel temperatures do not exceed 50 degC under continuous duty cycles.
When configuring Modbus RTU communications via the integrated RJ-45 connection, remember that standard Ethernet patch cables can be used, but you must terminate the end-of-line drive with a 120-ohm resistor between the SDA and SDB signals to prevent communication timeouts. Always route control signal lines and main power lines in separate conduits to eliminate EMI induced noise on critical analog input terminals (Terminal 2 and 4).
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
United States
|
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