is a high-performance 5.5 kW (7.5 HP) variable frequency drive from the FRENIC-Mini (C2) series. It is built for 3-phase 400V power systems and provides a rated output current of 13.0 Amps, making it suitable for larger industrial machinery compared to the previous models discussed.
Key Technical Specifications
Feature
Specification
Motor Capacity
5.5 kW (7.5 HP)
Rated Output Current
13.0 A
Input Voltage
3-Phase 380V to 480V AC
Overload Capacity
150% for 1 minute; 200% for 0.5 seconds
Efficiency
Approximately 96.8%
Dimensions & Weight (Inches)
As the capacity increases to 7.5 HP, the physical frame size expands to handle the larger internal power components and cooling requirements.
Measurement
Metric
Imperial (Inches/Lbs)
Width
180 mm
7.09 in
Height
220 mm
8.66 in
Depth (Length)
158 mm
6.22 in
Weight
3.1 kg
6.8 lbs
The Fuji Electric FRN0013C2S-4A (FRENIC-Mini C2) is a robust 7.5 HP drive designed for high-capacity industrial tasks. Handling a rated current of 13.0 Amps, it provides the high torque and sophisticated protection required for larger motors.
Primary Control Functions
Heavy-Duty Torque Control: Uses Dynamic Torque Vector Control to deliver 150% torque at 1Hz. This is essential for 7.5 HP motors that must start under full load, such as heavy-duty conveyors, industrial mixers, and reciprocating pumps.
High-Speed Braking: It includes a built-in braking transistor (chopper) as standard. For 7.5 HP high-inertia loads (like large centrifugal fans or industrial blowers), this allows you to stop the motor quickly by connecting an external braking resistor.
Universal Motor Support: It can control both standard induction motors and high-efficiency Permanent Magnet (PM) synchronous motors, allowing you to future-proof your system for energy savings.
Operational Capabilities
Automated PID Control: Features a built-in PID regulator with "Sleep" and "Wake-up" modes. It can maintain constant water pressure or air flow by adjusting motor speed based on a sensor signal, automatically shutting down when demand is zero.
S-Curve Acceleration/Deceleration: To protect the mechanical gears and belts of a 7.5 HP system, you can program "S-curve" ramps. This ensures the motor doesn't "jerk" during startup or stopping, reducing mechanical wear.
Multi-Step Speed: Supports up to 8 programmable speed stages. These can be triggered by external limit switches or a PLC to automate complex machine cycles.
Energy Optimization: Even at this higher power level, the drive automatically minimizes motor losses during light-load periods, significantly reducing electricity costs for fans and pumps.
Safety & Maintenance
Predictive Maintenance: The drive monitors its own internal health. It tracks the life of the cooling fans and main circuit capacitors, giving you a warning signal (via the display or a digital output) when they reach 90% of their expected 10-year lifespan.
Advanced Protection: Specifically tuned for 5.5kW motors, the electronic thermal relay protects the motor from overheating without needing external thermal sensors.
Fault Record: Stores detailed data (Amps, Volts, Frequency) from the last few trip events, which is crucial for troubleshooting mechanical jams in larger 7.5 HP systems.
Connectivity & Programming
Built-in Dial: Includes a potentiometer for manual speed adjustment, which is often easier for operators than using keypad buttons.
Modbus RTU (RS-485): Standard communication port for connecting to HMI touchscreens or factory-wide PLC networks.
PC Software Integration: Compatible with FRENIC Loader, allowing you to save, copy, and edit all parameters on a laptop for fast commissioning of multiple machines.
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