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Control Techniques Unidrive UNI4401

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UNI4401

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The UNI4401 from Control Techniques is a versatile variable speed AC drive designed for a broad range of applications. With a power rating of 45 kW (75 HP), this drive operates efficiently within a voltage range of 380 to 480 VAC, accommodating variations of ±10%.

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Technical specifications for UNI4401

ManufacturerControl Techniques
Product LineUnidrive
Part NumberUNI4401
Weight115.00 lbs (52.16 kg)
DescriptionUniversal Variable Speed AC Drive
Voltage Range380 to 480 VAC ±10%
Nominal Power Rating (kW)45 kW
Nominal Power Rating (HP)75 HP
Output Current96A
Typical Input Current76A
Operating ModesOpen Loop V/f, Open Loop Vector, Closed Loop Vector, Servo, Regen
Ambient Operating Temperature0 to 50 °C
Minimum Temperature at Power-Up-10 °C
Humidity95% RH (no condensation)
Ambient Storage Temperature-40 to 50 °C
Model Size ClassSize 4
Voltage Class400V
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The Control Techniques UNI4401 is classified as a universal variable speed AC drive, ensuring flexibility in managing motor operations. It is capable of handling a voltage range between 380 to 480 VAC with a tolerance of ±10%, making it suitable for various electrical environments. This drive's nominal power capacity is rated at 45 kW or 75 HP, and it can deliver an output current of up to 96 amperes, supported by a typical input current of 76 amperes.

Regarding its physical characteristics, the UNI4401 weighs approximately 70 kg (154 lbs), making it substantial for its size. It falls under the Size 4 model size classification within the Control Techniques family of drives. The ambient operating temperature for this unit is defined between 0 to 50 °C. Before power-up, the drive can endure conditions down to -10 °C.

For optimal performance, this drive can operate effectively in an environment with humidity levels reaching 95% RH, as long as condensation is absent. It is also designed to be stored between -40 to 50 °C, highlighting its robustness against varying environmental conditions. The drive supports various control modes, including open loop V/f, open loop vector, closed loop vector, and servo control, in addition to regenerative capabilities, providing users with extensive options depending on their specific application needs.