Schneider ATV312HU55N4 Altivar 312 Variable Frequency Drive, 5.5kW 3-Phase 380-500V Industrial Motor Inverter

Schneider ATV312HU55N4 Altivar 312 5.5kW 3-Phase 380-500V VFD For Medium-Heavy Duty Asynchronous Motor Variable Speed Control

Schneider ATV312HU55N4 high-tolerance three-phase variable frequency drive provides 5.5kW rated power output, enhanced industrial shielding and flexible programmable logic, delivering reliable speed regulation for process pumps, industrial ventilation systems and medium-heavy automated machinery.

Schneider ATV312HU55N4 Altivar 312 5.5kW Three-Phase VFD For Medium-Heavy Industrial Motor Applications

1. Environmental Stability & Mechanical Construction of Schneider ATV312HU55N4

Optimized Cabinet Mount Structure

Schneider ATV312HU55N4 features a robust compact enclosure engineered for standard wall-mounted cabinet installation. The streamlined body structure supports orderly side-by-side mounting with zero redundant clearance, maximizing internal cabinet space utilization. The IP20-rated casing prevents solid particle ingress and dust buildup, maintaining stable internal circuit operation in standard industrial environments.

Broad Climate Adaptation Range

Schneider ATV312HU55N4 sustains continuous operation across -10°C to +50°C ambient temperature ranges, fully adapting to naturally ventilated factory control cabinets. The drive withstands 5% to 95% non-condensing humidity without circuit corrosion or signal drift. Reinforced structural components resist minor mechanical vibration during long-duration equipment runtime.

2. High-Efficiency Power Performance & Load Handling of Schneider ATV312HU55N4

5.5kW Industrial Grade Electrical Parameters

Schneider ATV312HU55N4 delivers 5.5kW rated power, 11.8kVA apparent capacity and 7.2A rated output current, perfectly matching medium-heavy load three-phase asynchronous motors. The unit supports 380V to 500V three-phase AC input, complying with international industrial power grid standards. Balanced voltage and current output ensures consistent motor rotation under variable load conditions.

Vector Control & Enhanced Overload Capacity

Schneider ATV312HU55N4 integrates advanced sensorless flux vector control to maintain constant torque output throughout full frequency adjustment ranges. The drive handles 150% overload current for 60 seconds, effectively supporting heavy mechanical startup and instantaneous load surges. Adjustable 2kHz to 16kHz switching frequency reduces motor resonance and running noise for smoother mechanical operation.

3. Fieldbus Connectivity & Full-Range Safety Design of Schneider ATV312HU55N4

Modbus RTU Networking & System Integration

Schneider ATV312HU55N4 comes with native Modbus RTU protocol support for direct linkage with Modicon PLC systems and industrial HMI panels. The built-in communication port enables real-time operating data acquisition, remote parameter modification and online fault monitoring. Standard protocol compatibility simplifies industrial network topology and reduces auxiliary networking hardware costs.

EMC Shielding & Comprehensive Circuit Protection

Schneider ATV312HU55N4 equips an integrated EMC filter to suppress high-frequency switching electromagnetic interference, protecting surrounding sensors and low-voltage control loops. Multi-layer protection mechanisms include overcurrent, overvoltage, undervoltage, overheating and motor overload protection. Intelligent real-time monitoring triggers automatic power cutoff to avoid hardware damage during abnormal operating states.