Schneider Electric ATV320U40N4C Altivar 320 4kW 3-Phase 380-500V 9.5A Compact Variable Speed Drive

The Schneider Electric ATV320U40N4C is a 4 kW compact variable speed drive from the Altivar 320 series, designed for three-phase 380–500V applications with a rated output current of 9.5A. Built for precise motor control, energy saving, and reliable frequency inverter performance in demanding industrial environments, the ATV320U40N4C delivers efficient torque control in a space-saving compact form factor suitable for machine builders and panel integrators.

Technical Specifications

Applications & Use Cases

• Machine building: The compact design of the ATV320U40N4C makes it ideal for integration into OEM machine panels where space is at a premium.
• Pump & fan control: Variable frequency drive capability enables smooth ramp-up and ramp-down, extending motor and mechanical component life.
• Conveyor systems: Precise torque control at 4 kW supports consistent belt speed and load handling on production lines.
• Energy saving applications: Adjusting motor speed to match load demand significantly reduces energy consumption compared to fixed-speed operation.
• HVAC systems: Frequency inverter functionality allows dynamic adjustment of compressor and fan speeds for climate control efficiency.

Frequently Asked Questions

What is the input voltage range for the ATV320U40N4C?

The ATV320U40N4C accepts a three-phase input supply of 380 to 500V AC, making it compatible with standard industrial voltage systems across Europe and many international markets.

What motor power can this drive handle?

This Altivar 320 variable speed drive is rated for 4 kW motors with a continuous output current of 9.5A at the specified supply voltage.

What does the "C" suffix in ATV320U40N4C indicate?

The "C" suffix in the ATV320U40N4C reference denotes the compact book-style mounting configuration, optimised for side-by-side installation in control panels.

Is the ATV320U40N4C suitable for variable torque loads such as pumps and fans?

Yes, the Altivar 320 series including the ATV320U40N4C is well suited to variable torque applications such as centrifugal pumps, fans, and compressors, enabling significant energy savings through speed regulation.