Automation & Controls
Compare 2 Automation & Controls parts from manufacturers including Mitsubishi Electric, Panasonic, with live price tracking and alerts.
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Filter in catalog →Frequently asked questions
What is the input voltage requirement for the FR-A520-3.7K?
220V single-phase or three-phase AC. Check your local power supply configuration before installation.
What motor sizes does this inverter support?
Designed for 3-phase AC induction motors rated around 3.7 kW (5 HP). Verify motor nameplate specs before connecting.
Does the FR-A520-3.7K support remote operation?
Yes, via terminal control inputs (forward/reverse/stop) and analog 0-10V speed reference. Optional communication modules available.
What protection features are built-in?
Overload protection, overvoltage/undervoltage detection, ground fault detection, and thermal overheat protection.
Can this inverter be used for energy savings?
Yes. Vector control mode optimizes motor efficiency, and the energy-saving function automatically reduces voltage at light loads.
What is the frequency output range?
0-400 Hz adjustable, allowing motor speeds from zero to well beyond rated RPM when properly sized.