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Mitsubishi FR-A820-3.7K-1 FREQROL Variable Frequency Drive for Industrial Motor Speed and Torque Control
- Regular price
- $1,099.00
- Sale price
- $1,099.00
- Regular price
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Product Description P/N: FR-A820-3.7K-1
Description
The Mitsubishi FR-A820-3.7K-1 is a 3.7 kW variable frequency drive for controlling compatible industrial motors. Its three-phase 200–240 VAC supply, 17.5 A normal-duty output rating, and selectable motor control methods support adjustable-speed applications requiring coordinated acceleration and torque control.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Mitsubishi |
| Category | Motor Control |
| Part Number | FR-A820-3.7K-1 |
| Subcategory | Variable Frequency Drives |
| Product Family | FREQROL-A800 |
| Product Type | AC inverter / variable frequency drive |
| Applicable Motor Capacity | 3.7 kW, normal duty |
| Rated Input Supply | Three-phase, 200–240 VAC |
| Input Frequency | 50/60 Hz |
| Rated Output Current | 17.5 A, normal duty |
| Output Configuration | Three-phase; voltage controlled according to operating conditions |
| Output Frequency Range | 0.2–590 Hz; control-mode and motor restrictions apply |
| Control Methods | V/f, sensorless vector, and vector control with suitable feedback option |
| Built-In Serial Communication | RS-485; Mitsubishi inverter protocol and Modbus RTU |
| Control Interfaces | Configurable digital and analog I/O |
| Motor Compatibility | Supported induction and permanent-magnet motors |
| Cooling Method | Forced-air cooling |
| Mounting Style | Panel / cabinet mount |
| Dimensions (H × W × D) | 260 × 150 × 140 mm |
| Weight | 3.3 kg (7.28 lb) |
Information About FR-A820-3.7K-1
The FR-A820-3.7K-1 is a standard-model inverter in Mitsubishi’s FREQROL-A800 family. Its control platform supports V/f operation and sensorless vector control, with suitable options required for encoder-feedback operation. Built-in RS-485 communication supports Mitsubishi inverter protocol and Modbus RTU. Additional industrial network connections require the appropriate communication option or inverter variant.
Key Features:
- 3.7 kW Motor Capacity: Supports compatible motors within the selected duty rating.
- 17.5 A Normal-Duty Output: Provides the specified continuous current capacity under normal-duty conditions.
- Three-Phase Supply: Accepts 200–240 VAC input for compatible industrial installations.
- Selectable Control Methods: Supports V/f and sensorless vector operation for different motor applications.
- Encoder Feedback Capability: Supports closed-loop control when the required feedback option is installed.
- RS-485 Communication: Provides built-in Modbus RTU and Mitsubishi inverter protocol connectivity.
- Configurable I/O: Accommodates external commands, speed references, and operating-status signals.
- Forced-Air Cooling: Uses fan cooling to manage heat during operation.
The FR-A820-3.7K-1 delivers the reliability and precision required for adjustable-speed motor control in industrial machinery and material handling systems.
Description
The Mitsubishi FR-A820-3.7K-1 is a 3.7 kW variable frequency drive for controlling compatible industrial motors. Its three-phase 200–240 VAC supply, 17.5 A normal-duty output rating, and selectable motor control methods support adjustable-speed applications requiring coordinated acceleration and torque control.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Mitsubishi |
| Category | Motor Control |
| Part Number | FR-A820-3.7K-1 |
| Subcategory | Variable Frequency Drives |
| Product Family | FREQROL-A800 |
| Product Type | AC inverter / variable frequency drive |
| Applicable Motor Capacity | 3.7 kW, normal duty |
| Rated Input Supply | Three-phase, 200–240 VAC |
| Input Frequency | 50/60 Hz |
| Rated Output Current | 17.5 A, normal duty |
| Output Configuration | Three-phase; voltage controlled according to operating conditions |
| Output Frequency Range | 0.2–590 Hz; control-mode and motor restrictions apply |
| Control Methods | V/f, sensorless vector, and vector control with suitable feedback option |
| Built-In Serial Communication | RS-485; Mitsubishi inverter protocol and Modbus RTU |
| Control Interfaces | Configurable digital and analog I/O |
| Motor Compatibility | Supported induction and permanent-magnet motors |
| Cooling Method | Forced-air cooling |
| Mounting Style | Panel / cabinet mount |
| Dimensions (H × W × D) | 260 × 150 × 140 mm |
| Weight | 3.3 kg (7.28 lb) |
Information About FR-A820-3.7K-1
The FR-A820-3.7K-1 is a standard-model inverter in Mitsubishi’s FREQROL-A800 family. Its control platform supports V/f operation and sensorless vector control, with suitable options required for encoder-feedback operation. Built-in RS-485 communication supports Mitsubishi inverter protocol and Modbus RTU. Additional industrial network connections require the appropriate communication option or inverter variant.
Key Features:
- 3.7 kW Motor Capacity: Supports compatible motors within the selected duty rating.
- 17.5 A Normal-Duty Output: Provides the specified continuous current capacity under normal-duty conditions.
- Three-Phase Supply: Accepts 200–240 VAC input for compatible industrial installations.
- Selectable Control Methods: Supports V/f and sensorless vector operation for different motor applications.
- Encoder Feedback Capability: Supports closed-loop control when the required feedback option is installed.
- RS-485 Communication: Provides built-in Modbus RTU and Mitsubishi inverter protocol connectivity.
- Configurable I/O: Accommodates external commands, speed references, and operating-status signals.
- Forced-Air Cooling: Uses fan cooling to manage heat during operation.
The FR-A820-3.7K-1 delivers the reliability and precision required for adjustable-speed motor control in industrial machinery and material handling systems.
