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Product Introduction
The Schneider Electric ATV61HD37N4 Variable Speed Drive is part of the Altivar ATV61 product family, specifically engineered for variable torque applications such as ventilation and pumping systems. It is designed to deliver stable motor control, high energy efficiency, and reliable operation in industrial and infrastructure environments.
This model supports 37 kW (50 hp) three-phase motors operating within a 380…480 V supply range. The drive integrates control algorithms optimized for centrifugal loads, enabling precise speed regulation, reduced energy consumption, and smoother process control. Its robust construction with an integrated heat sink ensures dependable performance under continuous-duty conditions.
The ATV61HD37N4 complies with widely accepted international standards, making it suitable for global industrial installations. It remains a proven and trusted solution for fan and pump applications, while also serving as a stable platform for existing systems where long-term reliability is required.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Model | ATV61HD37N4 |
| Product Series | Altivar ATV61 |
| Component Type | Variable Speed Drive (VFD) |
| Specific Application | Ventilation and pumping equipment |
| Rated Motor Power | 37 kW |
| Rated Motor Power (hp) | 50 hp |
| Supply Voltage | 380…480 V AC |
| Supply Phase | Three-phase |
| Line Current | 69 A at 480 V / 84 A at 380 V |
| EMC Filter | Integrated EMC filter, Class 3 |
| Construction Variant | With heat sink |
| Apparent Power | 55.3 kVA at 380 V |
| Maximum Prospective Line Isc | 22 kA (three-phase) |
| Maximum Transient Current | 94.8 A for 60 seconds |
| Nominal Switching Frequency | 12 kHz |
| Installation Type | Panel-mounted |
| Dimensions | 550 × 266 × 240 mm |
| Weight | 37 kg |
Applications
• Industrial ventilation systems
Used in large-scale ventilation and exhaust systems requiring stable airflow and efficient speed control.
• Pump and fluid handling systems
Applied in water supply, wastewater treatment, and circulation systems where smooth flow regulation is essential.
• HVAC infrastructure
Supports energy-efficient control of fans and pumps in commercial and industrial HVAC installations.
• Process industry utilities
Suitable for auxiliary pump and ventilation systems in chemical, power, and infrastructure facilities.
• Energy optimization projects
Helps reduce operating costs by matching motor speed precisely to process demand.
Advantages
• Designed for variable torque applications
Optimized control algorithms ensure efficient operation for fans and centrifugal pumps.
• Stable performance at high power levels
Supports 37 kW motors with reliable current handling and thermal management.
• Integrated EMC filtering
Reduces electromagnetic interference and simplifies system compliance.
• High overload capability
Handles transient current peaks without compromising operational stability.
• Proven industrial reliability
The ATV61 platform is widely deployed in long-term industrial and infrastructure projects.
