



The Schneider Electric ATV312HU55N4 is a high-performance Altivar 312 Variable Frequency Drive (VFD) engineered to deliver precise, energy-efficient control for 5.5 kW (7.5 hp) three-phase asynchronous motors. Designed with OEM machine builders and industrial users in mind, this drive combines advanced sensorless vector control, integrated EMC filtering, and flexible communication capabilities to ensure stable performance across a wide range of applications.
Optimized for material handling, HVAC systems, pumps, packaging machinery, and general automation, the ATV312HU55N4 provides smooth acceleration, improved torque response, and reduced mechanical stress—helping extend equipment life while lowering operating costs.
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Variable Frequency Drive (VFD) |
| Series | Altivar 312 |
| Rated Power | 5.5 kW (7.5 hp) |
| Supply Voltage | 380 – 500 V AC, three-phase |
| Supply Frequency | 50 / 60 Hz |
| Rated Output Current | 21.9 A @ 380 V / 16.5 A @ 500 V |
| Apparent Power | 15 kVA |
| Output Frequency Range | 0.5 – 500 Hz |
| Motor Control Type | Sensorless flux vector control (PWM) |
| EMC Filter | Integrated (Class C2/C3) |
| Communication Protocols | Modbus, CANopen |
| IP Rating | IP20 (expandable up to IP41) |
| Dimensions (W × H × D) | 180 mm × 232 mm × 170 mm |
| Weight | ~6.5 kg |
| Cooling Method | Integrated fan + heat sink |
| Protection Features | Overcurrent, thermal, phase loss, over/undervoltage |
| Mounting Orientation | Vertical ±10° |
Recommended Related Models
- Schneider Electric ATV312HU30N4 – 3 kW model for mid-range applications
- Schneider Electric ATV312HU40N4 – 4 kW drive balancing power and compactness
- Schneider Electric ATV312HU75N4 – 7.5 kW solution for higher motor loads
- Schneider Electric ATV312HD15N4 – 15 kW heavy-duty industrial VFD
Popular Allen-Bradley Models (for Cross-Platform Comparison)
- Allen-Bradley PowerFlex 525
- Allen-Bradley PowerFlex 753
- Allen-Bradley PowerFlex 755
- Allen-Bradley Kinetix® Drives
These drives are often compared with Altivar 312 series in projects requiring reliable motor control, scalable performance, and flexible communication integration.