Schneider ATV212HD55N4 Variable Speed Drive

Product Introduction

The Schneider Electric ATV212HD55N4 is a variable speed drive from the Altivar 212 series, engineered for efficient control of three-phase asynchronous motors in fluid management systems. It is specifically optimized for HVAC and pumping applications in commercial and tertiary sector buildings, where stable operation, reduced harmonics, and energy efficiency are essential.

The drive operates on a 380–480 V AC three-phase power supply and supports motors up to 55 kW (75 hp). With an IP21 enclosure and an integrated EMC filter, the ATV212HD55N4 simplifies installation while ensuring compliance with electromagnetic compatibility requirements.

Its eco-energy design enables energy savings of up to 70% compared to traditional fixed-speed motor control solutions. Integrated cable temperature rise reduction technology allows smooth, disturbance-free operation without the need for additional line chokes or DC chokes.

Product Specifications

Applications

• HVAC systems including fans, air handling units, and chillers

• Pumping systems for water supply, circulation, and drainage

• Commercial and tertiary sector buildings

• Centralized building management systems

• Continuous-duty fluid control applications

Advantages

• Designed for high-power variable torque applications

• Significant reduction in energy consumption

• Integrated EMC filter reduces external component requirements

• Advanced harmonic mitigation without external reactors

• Stable, smooth motor operation with reduced electrical disturbance

• Native compatibility with major building automation protocols

• Fully compliant with international safety and EMC standards

FAQ

1. What type of motor is supported by the ATV212HD55N4?
   It is designed for controlling three-phase asynchronous motors used in HVAC and pumping systems.

2. What is the supported supply voltage range?
   The drive operates on a three-phase 380 V to 480 V AC power supply.

3. Is an external EMC filter required?
   No, the EMC filter is integrated into the drive as standard.

4. Does the drive require line reactors or DC chokes?
   No additional components are required thanks to its built-in harmonic control technology.

5. How does the drive achieve energy savings?
   By continuously adjusting motor speed according to actual load demand.

6. Can the drive be integrated into building management systems?
   Yes, it supports Modbus, BACnet, METASYS N2, and APOGEE FLN P1 protocols.

7. Is the drive suitable for continuous operation?
   Yes, it is designed for continuous-duty operation in commercial environments.

8. Can long motor cable lengths be used?
   Optional motor chokes can be applied to extend cable length and reduce motor terminal disturbances.

9. What installation orientation is required?
   The drive must be installed vertically with a tolerance of ±10°.

10. Does the drive comply with international standards?
    Yes, it conforms to IEC/EN 61800-5-1 and IEC/EN 61800-3 standards.

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