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Mitsubishi FREQROL FR FR-A741-18.5K

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FR-A741-18.5K

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The FR-A741-18.5K model is an inverter drive from Mitsubishi's FREQROL FR series, engineered for effective motor control. This unit supports a motor output of 18.5 kW with a robust output current rating of 38A, designed to operate within a voltage range of 380 to 480 VAC in a 3-phase system.

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Technical specifications for FR-A741-18.5K

ManufacturerMitsubishi
Product LineFREQROL FR
Part NumberFR-A741-18.5K
Product NameInverter Drive
Regenerative Braking Torque100% continuous, 150% for 60 seconds
Protective StructureOpen type
IP RatingIP00
Cooling SystemFan
CertificationsCE/UL/cUL/GOST
Motor Output18.5 kW
Voltage Class400V
Voltage Range380 to 480 VAC
Voltage Phase3-phase
Frequency (Input)50/60 Hz
Output Current Rating38A
Output Frequency Range0 to 400 Hz
Ambient Temperature-10°C to +50°C (non-condensing)
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The Mitsubishi FR-A741-18.5K belongs to the FREQROL FR series and serves as a highly efficient inverter drive. It is designed to offer a substantial motor output of 18.5 kW, making it suitable for various applications requiring significant power. The drive operates effectively within a voltage spectrum of 380 to 480 VAC and is configured for 3-phase use.

This model provides an output current rating of 38 Amperes, ensuring reliable performance under load. It also features a generous regenerative braking torque, maintaining continuous braking at 100%, with the ability to support 150% of this torque for a duration of 60 seconds. 

The protective structure is classified as open type, denoting its adaptability for a variety of installation environments, while its IP rating of IP00 indicates no specific in-built protection against foreign objects or moisture. For cooling, the drive utilizes a fan system, which aids in maintaining optimal operating conditions.

Operating within an ambient temperature range from -10°C to +50°C, the drive remains non-condensing, ensuring stability and longevity. Additionally, it meets multiple industry certifications, including CE, UL, cUL, and GOST, verifying its compliance with international standards.

The frequency input is adjustable between 50 and 60 Hz, with an output frequency that can be set as high as 400 Hz. The physical dimensions of the drive are 360 mm in width, 600 mm in height, and 320 mm in depth, making it suitable for various mounting configurations.