



The Schneider ATV61HD37N4 is a high-performance variable frequency drive from the Altivar 61 series, specifically engineered for demanding process applications such as pumps, fans, and ventilation systems. With a rated power of 37kW (50HP), it is designed to deliver stable, energy-efficient motor control in industrial environments requiring continuous operation.
This model integrates advanced sensorless vector control technology and process-optimized functions, ensuring smooth speed regulation and reduced energy consumption. As a legacy drive, it remains widely used in retrofit and maintenance projects due to its proven reliability and compatibility with existing automation systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | ATV61HD37N4 |
| Product Type | Variable Frequency Drive (VFD) |
| Series | Altivar 61 |
| Rated Power | 37 kW (50 HP) |
| Input Voltage | 380–480 V AC (3-phase) |
| Rated Output Current | 79 A (380V) / 65 A (460V) |
| Line Current | 84 A (380V) / 69 A (480V) |
| Output Frequency | 0.1 – 500 Hz (up to ~599 Hz configurable) |
| Control Method | V/F Control, Sensorless Vector Control |
| Communication | Modbus, CANopen (expandable) |
| EMC Filter | Integrated Class C2/C3 |
| Switching Frequency | 1–16 kHz adjustable |
| Protection Rating | IP20 |
| Operating Temperature | -10°C to +50°C |
| Dimensions (H × W × D) | 550 × 240 × 266 mm |
| Weight | Approx. 37 kg |
| Mounting Type | Panel / Heat sink mounting |
Key data verified from industrial datasheets and distributor specifications
Recommended Related Models
- ATV61HD30N4 – 30 kW version for medium-duty systems
- ATV61HD45N4 – Higher power model for extended load demands
- ATV610U37N4 – Next-generation Easy Altivar replacement
- ATV630U37N4 – Advanced process drive with enhanced diagnostics
- ATV320D37N4C – Machine automation alternative
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