is a 90 kW (125 hp) variable speed drive designed for standard asynchronous motors. It shares the same compact frame size and robust feature set as the 55 kW and 75 kW models, making it ideal for large-scale pump, fan, and compressor applications.
Control Method
V/F Control
Brand
Schneider
Phase
3 Phase
Input Phase
Three Phase
Motor Type
Induction
Model Name/Number
ATV610D90N4
Motor Power
125 hp for normal duty 100 hp for heavy duty
Input Voltage
380V
Input Frequency
2.5 kHz
Output Current
173 A at 2.5 kHz for normal duty 145 A at 2.5 kHz for heavy duty
Physical Dimensions & Weight
These specifications are essential for panel planning and mounting:
Weight: 118.39 lbs (53.7 kg)
Height: 30.00 in (762 mm)
Total height increases to 36.30 in (922 mm) if the optional EMC plate is installed.
Width: 11.42 in (290 mm)
Length (Depth): 12.72 in (323 mm)
Core Functions & Features
Dual-Rating Performance: Supports 90 kW (125 hp) for normal duty (120% overload) and 75 kW (100 hp) for heavy duty (150% overload).
Integrated DC Choke: Includes a built-in choke to reduce harmonic distortion and protect the drive's lifespan.
Harsh Environment Protection: Electronic cards feature a 3C3 conformal coating to resist corrosion from chemical gases, common in wastewater and oil applications.
Energy Optimization: Features integrated "Stop and Go" logic and optimized torque modes to reduce energy consumption by up to 30%.
Flexible Control: Offers 16 preset speeds and supports Modbus serial communication out of the box.
The Schneider Electric ATV610D90N4 performs the same logic and control functions as the smaller units in the Easy Altivar 610 range, but it is scaled for high-power 90 kW (125 hp) systems.
Core Control Functions
Variable Speed Regulation: Converts fixed line power (380-460V) into variable frequency (0.1 to 500 Hz) to control the speed of large industrial motors.
Torque Management: Uses Optimized Torque Mode to provide high torque at low speeds, which is essential for starting heavy loads like fully loaded conveyors or large compressors.
Energy Saving logic: Automatically reduces motor voltage during low-load periods, cutting energy costs by up to 30% in fan and pump applications.
Process-Specific Functions
Pump Control: Includes "Dry Run" protection (detects if the pump is running without fluid) and "Anti-Jam" functions to clear debris from impellers.
Fan Control: Features a "Catch-on-the-Fly" function that allows the drive to safely restart a motor that is already spinning due to natural draft/airflow.
Multi-Pump Logic: Can manage a lead/lag pump system to maintain constant pressure across a water network without an additional controller.
Safety & Protection Functions
Thermal Monitoring: Calculates motor temperature based on current draw to prevent burnout.
Electrical Safety: Immediate trip-out for Short-circuits, Phase Loss, and Overvoltage to protect the internal power electronics.
Standardized Protection: Features a built-in DC Choke to reduce harmonic interference on your building's electrical grid.
Configuration & Monitoring
Built-in Modbus: Allows for remote starting, stopping, and speed adjustment via a central control system (SCADA/PLC).
Remote Display: The front keypad can be removed and mounted on the cabinet door for safe monitoring without opening the high-voltage panel.
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