Manufacturer: Control Techniques

Series: Unidrive

Part Number: UNI4401

Description: Universal Variable Speed AC Drive

Voltage Range: 380 to 480 VAC ±10%

Nominal Power Rating (kW): 45 kW

Nominal Power Rating (HP): 75 HP

Output Current: 96A

Typical Input Current: 76A

Weight: 70 kg (154 lbs)

Operating Modes: Open Loop V/f, Open Loop Vector, Closed Loop Vector, Servo, Regen

Ambient Operating Temperature: 0 to 50 °C

Minimum Temperature at Power-Up: -10 °C

Humidity: 95% RH (no condensation)

Ambient Storage Temperature: -40 to 50 °C

Model Size Class: Size 4

Voltage Class: 400V

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.

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