is a 45 kW (60 HP) variable speed drive (VFD) from the Easy Altivar 610 series. It is specifically engineered for high-demand asynchronous motor applications, providing substantial power and control for large-scale industrial machinery.
Key Specifications
Power Rating: 45 kW (60 HP) for Normal Duty; 37 kW (50 HP) for Heavy Duty.
Continuous Output Current: 88 A at 4 kHz for normal duty; 75 A at 4 kHz for heavy duty.
Maximum Transient Current: 97 A for 60 seconds (normal duty) and up to 112 A (heavy duty).
Supply Voltage: 380V to 460V AC, three-phase.
Integrated Features: Includes an integrated EMC filter (conforming to EN/IEC 61800-3 category C3) and uses forced convection cooling.
Dimensions & Weight
This model matches the Frame Size 5 dimensions seen in the 37 kW model but carries a slightly higher net weight due to its larger power components.
Metric: 226 mm (W) x 613 mm (H) x 271 mm (D).
Imperial (Inch): 8.90 in (W) x 24.13 in (H) x 10.67 in (D).
With EMC Plate: Height increases to 706 mm (27.80 in).
Net Weight: Approx. 25.5 kg to 26.8 kg (56.2 lb to 59.1 lb).
The Schneider Electric ATV610D45N4 (45 kW / 60 HP) acts as a high-power control center designed to manage heavy fluid and air movement. At this 88-Amp power level, the functions are heavily focused on preventing mechanical wear and reducing the "peak demand" charges on your electricity bill.
1. High-Power Process Management
Intelligent Pump Staging: Can manage a station of up to 3 pumps. It coordinates the "lead" and "lag" motors to maintain constant pressure, while automatically rotating which motor is the "lead" to ensure equal wear across all pumps.
Soft Pipe Fill: Essential for 60 HP systems to prevent "water hammer." It slowly fills large piping systems at a low pressure first, preventing the mechanical shock that causes pipe bursts or joint leaks.
PID Control Loop: Acts as a standalone controller. By connecting a pressure or flow sensor (4-20mA), the drive autonomously adjusts the motor speed to maintain your setpoint without needing a PLC.
2. Motor & Grid Protection
Harmonic Mitigation: Includes an integrated DC Choke and EMC Filter. This is critical at 45 kW to prevent electrical "noise" from distorting your facility's power quality or interfering with sensitive electronics.
Catch-on-the-Fly: If a large fan is spinning due to natural draft or a brief power dip, the drive "catches" the motor at its current speed rather than starting from zero, which prevents massive mechanical stress and overcurrent trips.
Advanced Thermal Memory: The drive calculates the motor's temperature in real-time. If the power is cut and restored, it "remembers" the heat level to prevent a restart that could burn out the windings.
3. Energy Saving Functions
Quadratic Torque Profile: Specifically tuned for fans and pumps. Since these loads follow the "Cube Law," reducing the speed of a 60 HP motor by just 20% can cut power consumption by nearly 50%.
Sleep/Wake Mode: Automatically stops the high-power motor during zero-demand periods (e.g., when all discharge valves are closed) and wakes it up instantly when pressure is needed.
4. Durability for Harsh Environments
Class 3C3 & 3S3 Protection: The internal circuit boards are specially coated to resist chemical corrosion (like chlorine or hydrogen sulfide) and industrial dust, which is vital for the 45 kW motors often found in wastewater or chemical plants.
Forced Convection Cooling: Features a high-performance, replaceable fan system designed to handle the significant heat generated when pushing 88 Amps of current.
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