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Mitsubishi FREQROL FR FR-A540-18K-EC

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FR-A540-18K-EC

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The Mitsubishi FR-A540-18K-EC from the FREQROL FR series is a versatile frequency drive designed for precise motor control. It supports a voltage range of 380 to 480 volts and operates optimally in indoor environments without exposure to corrosive or flammable elements.

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Technical specifications for FR-A540-18K-EC

ManufacturerMitsubishi
Product LineFREQROL FR
Part NumberFR-A540-18K-EC
AmbienceIndoors (No corrosive and flammable gases, oil mist, dust, and dirt)
Control SystemPWM (Pulse Width Modulation)
Output Frequency0.2-400 Hz
Rated Current38 A (CT) / 40 A (VT)
Rated Capacity29 kVA
Voltage3-phase, 380 to 480V
Input Frequency50Hz/60Hz
Overload Capacity150% for 60 seconds
Frequency AccuracyWithin ±0.2% of maximum output frequency
Torque BoostManual
Starting Torque150% at 0.5 Hz (for advanced magnetic flux vector control)
Power Rating18 kW (24 HP)
Storage Temperature-20°C to +65°C
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The Mitsubishi FR-A540-18K-EC is engineered for maintaining control over motor functions, offering a wide output frequency range from 0.2 Hz to 400 Hz. This frequency drive is built to comply with indoor environmental standards, suitable for areas free from corrosive substances, flammable gases, and excessive dust or mist.

Operating on a robust 3-phase voltage supply that spans 380 to 480 volts, it can handle frequencies from either 50 Hz or 60 Hz input. The drive supports an impressive rated current of up to 40 A, with a limited capacity under continuous conditions calculated at 29 kVA. It also possesses an overload capacity of 150% for a duration of 60 seconds, providing excellent reliability during peak demands.

In terms of torque management, the FR-A540-18K-EC provides a manual torque boost setting, which can enhance starting torque to 150% at a frequency of 0.5 Hz. This feature is particularly advantageous in applications that require advanced control over magnetic flux. The device maintains frequency accuracy within ±0.2% of its maximum output, ensuring precise operational standards.

This model is rated at 18 kW, equating to about 24 HP, making it a powerful choice for various applications. Additionally, for storage, it can integrate flexibly within a temperature range of -20°C to +65°C, providing adaptability for a variety of industrial environments. Such features combine to create an effective solution for motor control where precision and reliability are required.