The Schneider ATV61HD18N4 is a reliable mid-power variable frequency drive from the Altivar 61 series, specifically designed for process-oriented applications such as pumps, fans, and HVAC systems. Delivering 18.5kW (25HP), it offers an excellent balance between performance, energy efficiency, and industrial durability.
Built for continuous-duty environments, this drive integrates advanced motor control algorithms and flexible communication options, ensuring smooth speed regulation and optimized system efficiency. Although now discontinued, it remains widely used in retrofit projects thanks to its proven reliability and compatibility with existing installations.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | ATV61HD18N4 |
| Product Type | Variable Frequency Drive (VFD) |
| Series | Altivar 61 |
| Rated Power | 18.5 kW (25 HP) |
| Input Voltage | 380–480 V AC (3-phase) |
| Rated Output Current | 41 A (380V) / 34 A (460V) |
| Line Current | 45.5 A (380V) / 37.5 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 Level 3 EMC filter |
| Switching Frequency | 1–16 kHz adjustable |
| Protection Rating | IP20 |
| Operating Temperature | -10°C to +50°C (up to 60°C with derating) |
| Dimensions (H × W × D) | 400 × 230 × 213 mm |
| Weight | Approx. 22 kg |
| Mounting Type | Panel / Heat sink mounting |
Key technical data verified from industrial datasheets
Recommended Related Models
- ATV61HD15N4 – 15 kW version for slightly lower power systems
- ATV61HD22N4 – Higher capacity model for increased load demands
- ATV610U18N4 – Next-generation Easy Altivar replacement
- ATV630U18N4 – Advanced process drive with enhanced diagnostics
- ATV320D18N4C – Machine automation alternative
Popular Schneider Electric Models
- Altivar 61 Series Drives
- Altivar 610 Process Drives
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