CONTROL TECHNIQUES UNI1401

Control Techniques Unidrive Servo Drive

Description

The UNI1401 is a classic servo drive from the Control Techniques Unidrive series, designed for robust performance in various industrial automation applications. This 0.75 kW drive is engineered for 380-480V 3-phase systems and provides reliable and precise motor control. As an obsolete model, it serves as a critical spare part for maintaining the operational life of existing equipment and systems, preventing the need for costly and complex retrofits. Order now from spareparts2day for expert support and fast delivery.

Specifications

• Manufacturer: Control Techniques
• Model: UNI1401
• Power Rating: 0.75 kW (1.0 HP)
• Input Voltage: 380-480V AC, 3-Phase, 50/60 Hz
• Input Current: 5.4 A
• Output Voltage: 380-480V AC
• Output Current: 2.1 A
• Overload Capacity: 3.1 A for 60 seconds

Label Info

• Model No: UNI1401
• Serial No: 3275207004
• Software Version: S.W:02.10.04

Application

This servo drive is suitable for a wide range of applications including conveyors, pumps, fans, mixers, and general machine control where precise speed and torque control are required.

Country of Origin

Made in Ireland.

CO2 Impact

By purchasing this reused UNI1401 drive, you are contributing to a circular economy and avoiding approximately 100 kg of CO2 emissions that would be generated from the production of a new unit. This saving is comparable to driving a car for 500 kilometers.

Availability

This item is a tested, used part. While stocks last. Condition is as shown in the pictures.

FAQ

What is the difference between this Unidrive UNI1401 and the later Unidrive SP series?

The original Unidrive series, like this UNI1401, was a foundational AC drive platform. The later Unidrive SP (Solutions Platform) introduced a more modular design with plug-in option modules for enhanced connectivity (e.g., Profibus, DeviceNet), advanced feedback (e.g., resolver, encoder), and additional I/O, offering greater flexibility and integration capabilities.

Can I use modern Control Techniques software with this UNI1401 drive?

No, modern software like ‘Connect’ or ‘Unidrive M Connect’ is not compatible with this legacy Unidrive series. You would need to use older, dedicated software tools that were designed for this specific generation of drives, such as CTSoft or similar commissioning software from that era.

What are the typical failure modes for these drives and what preventative maintenance is recommended?

Common failure points in drives of this age are the electrolytic capacitors in the DC bus, which can dry out over time, and the cooling fan. It is recommended to periodically check the fan for proper operation and listen for unusual bearing noise. While capacitor replacement is a more involved task, ensuring the drive is kept in a clean, dry, and well-ventilated environment can significantly extend its lifespan.

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Last Update: Friday, March 13, 2026