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Control Techniques Unidrive UNI1401

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UNI1401

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The UNI1401, a universal variable speed AC drive from Control Techniques' Unidrive series, is designed to manage motor speeds effectively. Rated for a nominal power of 0.75 kW, or 1 HP, it operates within a 400V voltage class and accommodates a range of 380 to 480 VAC ±10%.

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Technical specifications for UNI1401

ManufacturerControl Techniques
Product LineUnidrive
Part NumberUNI1401
Weight9.00 lbs (4.08 kg)
NameUniversal Variable Speed AC Drive
Model Size ClassSize 1
Voltage Class400V
Voltage Range380 to 480 VAC ±10%
Nominal Power Rating (kW)0.75 kW
Nominal Power Rating (HP)1 HP
Output Current2.1A
Typical Input Current3.0A
Operating ModesOpen Loop V/f, Open Loop Vector, Closed Loop Vector, Servo, Regen
Ambient Operating Temp.0 to 50 °C
Minimum temperature at power-up–10°C
Humidity95% RH (no condensation)
Ambient Storage Temp.-40 to 50 °C
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The Control Techniques UNI1401 is engineered as a universal variable speed AC drive, specifically part of the Unidrive series. It is classified under Size 1, making it compact yet powerful, with a voltage rating of 400V. The operational voltage range extends from 380 to 480 VAC, with tolerances of ±10% encapsulating versatility in various setups.

This module achieves a nominal power rating of 0.75 kW, equivalent to 1 HP, making it appropriate for multiple applications. Its output current stands at 2.1A, while the typical input current measures 3.0A, indicating efficient performance metrics designed to handle diverse loads.

The UNI1401 supports several operating modes, including Open Loop V/f, Open Loop Vector, Closed Loop Vector, Servo, and Regen, thereby accommodating a variety of control strategies to match specific performance requirements. It operates efficiently across an ambient temperature spectrum of 0 to 50 °C, ensuring reliable performance. Upon power-up, it can start at temperatures as low as -10 °C, ensuring operational flexibility.

The environmental specifications also reveal that the drive can function within storage temperatures ranging from -40 to 50 °C and withstand humidity levels of up to 95% RH, provided condensation is absent. With a weight of 4 kg (8.8 lbs.), the UNI1401 is manageable for installation while providing robust performance for demanding applications.