Manufacturer: Mitsubishi Electric
Product No.: FR-A840-00038-2-60
Country of origin:United States
Product Type: Variable Frequency Drives
Payment: T/T, Western Union
Weight: 4000g
Dimensions: 310 mm x 200 mm x 190 mm
Shipping port: Xiamen
Warranty: 12 months
Designed to deliver high-performance motor control in demanding industrial environments, the Mitsubishi Electric FR-A840-00038-2-60 provides exceptional torque precision and system reliability. This premium 400V class three-phase variable frequency drive (VFD), belonging to the renowned FR-A800 series, features advanced vector control algorithms and an integrated PLC platform to maximize machine efficiency. Capable of handling both constant torque applications and high-inertia loads, this inverter serves as a highly robust choice for mission-critical automation frameworks.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Number | FR-A840-00038-2-60 |
| Product Series | FR-A800 |
| Rated Power (HD/ND) | 0.75 kW |
| Rated Current | 2.5 A (Constant Torque) |
| Input Voltage Class | 400 V AC to 415 V AC (Three Phase) |
| IP Rating | IP20 |
| Integrated Control Method | Real Sensorless Vector, Closed Loop Vector, V/f Control |
| Safety Integrity Level | SIL2, PLd |
| Brake Chopper | Built-in |
| Physical Dimensions (W x H x D) | 150 mm x 260 mm x 140 mm |
| Country of Origin | Japan |
| Shipping Weight (Calculated) | 4.5 Kg (includes packaging materials) |
| Package Dimensions (Calculated) | 310 mm x 200 mm x 190 mm |
| Terminal / Port | Function / Circuit Assignment |
|---|---|
| R/L1, S/L2, T/L3 | Three-phase AC main power supply inputs |
| U, V, W | Three-phase AC output connections to the motor |
| P/+, PR | Connection terminals for optional external braking resistor |
| 24VDC External Input | Control circuit power supply to maintain communication during mains isolation |
| USB Port (Type A) | Parameter copy interface and connection to standard USB storage |
The FR-A800 series is built with comprehensive backward compatibility for the legacy FR-A700 range. When upgrading an older installation, engineers can directly import A700 parameters using the FR-Configurator 2 software. Note that while terminal functional mappings remain highly aligned, physical chassis dimensions and terminal block layouts may vary slightly, requiring verification of panel mounting space before mechanical installation.
In constant torque configurations with high-duty cycles, maintaining proper thermal control within the enclosure is essential. This IP20 drive requires adequate clearance to prevent hot air recirculation. If the ambient temperature inside the panel exceeds 40 degC, nominal output current must be de-rated to prevent premature over-temperature faults. Ensure that an external braking resistor is connected if the system involves frequent, rapid deceleration cycles or vertical load configurations.
To eliminate electromagnetic interference (EMI) issues, control and communication cables must be kept separate from high-power output lines (U, V, W). Use shielded twisted-pair cables for the RS-485 control lines and ground the shield only at the drive-end grounding terminal. If using the external 24VDC control supply, ensure the power supply is dedicated to avoid voltage drops caused by other field instruments during peak operations.
CRITICAL WARNING:
Always isolate the mains supply voltage before performing any physical wiring or terminal configuration. After power-off, wait at least 10 minutes to allow the DC link capacitors to fully discharge. Verify that the voltage across the main circuit terminals P/+ and N/- is close to 0 VDC using a certified multimeter before proceeding.
Mount the inverter vertically on a flat, non-combustible surface to ensure proper heat dissipation. Maintain a minimum clearance of 50 mm above and below the drive.
Connect the main power supply cables to terminals R/L1, S/L2, and T/L3. Ensure proper grounding of the protective earth (PE) terminal.
Wire the three-phase motor to terminals U, V, and W. Do not connect power lines directly to output terminals as this will destroy the power module.
Complete control and signal wiring using shielded cables. Set appropriate control logic switches before restoring main power.
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
|
SCADA sits above PLCs and RTUs: it acquires field data, alarms operators, and issues supervisory commands across plants and remote assets—without replacing local deterministic control.
A VFD turns fixed-frequency mains into controlled voltage and frequency so AC motors match real load—cutting pump and fan energy while tightening torque, soft-start, and braking behavior.
PLCs still run the plant floor: scan cycles, I/O, and IEC 61131-3 languages decide whether machines stay deterministic. Here is how controllers work, where they win, and where they strain.
Learning industrial automation now means mastering PLCs, networks, and protection systems—not just robots. This guide maps skills, pitfalls, and career paths for engineers entering control-heavy...
A practical guide to replacing aging Bailey Symphony operator stations running on OpenVMS Alpha. It compares Alpha emulation, OpenVMS x86 migration, OPC re-platforming, and phased ABB modernization.
Maintenance data connects work orders, sensor signals, asset history, costs, and technician knowledge. Used well, it improves planning, reliability, predictive maintenance, spare-parts control, and...
