The Schneider Electric ATV312HU40N4 is a robust and compact Altivar 312 Variable Frequency Drive (VFD) designed to deliver precise speed and torque control for 4 kW (5 hp) three‑phase asynchronous motors. Engineered for industrial automation, HVAC fans, pump systems, conveyor lines, and general machine applications, this drive combines power, efficiency, and ease of integration. Featuring sensorless vector control, an integrated EMC filter, and support for common communication protocols, the ATV312HU40N4 enhances motor performance while reducing energy consumption and downtime in automated systems.
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Variable Frequency Drive (VFD) |
| Series | Altivar 312 |
| Rated Power | 4 kW (5 hp) |
| Supply Voltage | 380 – 500 V AC, three‑phase |
| Supply Frequency | 50 / 60 Hz |
| Rated Output Current | ~12 A @ 380 V |
| Apparent Power | ~8.5 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 standard (upgradeable with kits) |
| Dimensions (W × H × D) | 142 mm × 184 mm × 150 mm |
| Weight | ~4.0 kg |
| Cooling Method | Integrated fan & heat sink |
| Protection Features | Over/undervoltage, overcurrent, thermal, phase loss |
| Mounting Orientation | Vertical ±10° |
| Certifications | IEC/EN 61800‑5‑1, IEC/EN 61800‑3 |
Recommended Related Models
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Schneider Electric ATV312HU22N4 – 2.2 kW model for balanced light‑industrial use.
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Schneider Electric ATV312HU30N4 – 3 kW variant for broader motor control tasks.
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Schneider Electric ATV312HU55N4 – Higher‑power 5.5 kW drive.
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Schneider Electric ATV312HD15N4 – Industrial‑grade 15 kW solution for heavy duties.
Popular Allen‑Bradley Models (For Comparison in Motor Controls)
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Allen‑Bradley PowerFlex 525
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Allen‑Bradley PowerFlex 753
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Allen‑Bradley PowerFlex 755
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Allen‑Bradley Kinetix® Drives
These Allen‑Bradley drives are often evaluated against Schneider Altivar series units in industrial automation projects requiring efficient, reliable motor control.
