Manufacturer: Control Techniques

Series: Unidrive

Part Number: UNI4403

Product Description: Universal Variable Speed AC Drive

Model Size Class: Size 4

Voltage Class: 400V

Voltage Range: 380 to 480 VAC ±10%

Nominal Power Rating (kW): 75 kW

Nominal Power Rating (HP): 125 HP

Output Current: 156A

Typical Input Current: 123A

Weight (kg): 70 kg

Weight (lbs.): 154 lbs.

Operating Modes: Open 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

Humidity: 95% RH (no condensation)

Ambient Storage Temp.: -40 to 50 °C

The Control Techniques UNI4403 AC drive is engineered to provide flexible speed control in numerous applications. This universal drive operates effectively within the designated voltage range of 380 to 480 VAC ±10% and supports a nominal power rating of 75 kW (or 125 HP). Its output designation allows for a maximum output current of 156A while typically drawing 123A during operation.

Weighing approximately 70 kg (154 lbs.), the unit is categorized as Size 4, making it suitable for various installation scenarios. The drive is designed to function under various operating modes, such as Open Loop V/f, Open Loop Vector, Closed Loop Vector, Servo, and Regenerative modes, providing adaptability for different system requirements.

The ambient operating temperature for this drive ranges from 0 to 50 degrees Celsius, with a minimum startup temperature of -10 degrees Celsius. It can withstand humidity levels up to 95% RH, provided condensation is absent, ensuring reliability in diverse environmental conditions. Additionally, this drive can be safely stored in ambient temperatures between -40 and 50 degrees Celsius, enhancing its versatility across a wide range of operational settings.

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