is a high-power variable speed drive from the Schneider Electric Altivar Machine ATV340 series. It is a robust, IoT-ready solution designed for high-performance machine applications requiring a rated power of 15 kW (20 HP) for heavy-duty use.
Key Specifications
Power Rating: 15 kW (20 HP) for heavy-duty; up to 18.5 kW (25 HP) for normal-duty applications.
Voltage: 3-phase, 380V to 480V AC.
Current Rating: 32 A (Heavy Duty) and 39 A (Normal Duty).
Dimensions: 180 mm (W) x 385 mm (H) x 249 mm (D).
In Inches: 7.09" (W) x 15.2" (H) x 9.8" (D).
Weight: 9.5 kg (approx. 20.9 lbs).
Communication: Integrated Modbus serial line as standard. Note that the "E" version (ATV340D15N4E) would include embedded multi-protocol Ethernet.
Performance Features
Advanced Control: Capable of both open and closed loop control for asynchronous and synchronous motors, including permanent magnet and reluctance motors.
Superior Overload: Handles high dynamic torque of up to 180% nominal torque for 2 seconds (Heavy Duty).
Safety Level: Standard integrated Safe Torque Off (STO), Safe Stop 1 (SS1), and Safely Limited Speed (SLS).
Environmental Durability: Designed for harsh conditions, including resistance to non-conductive dust, vibration, and high ambient temperatures up to 60C.
The ATV340D15N4 performs the same sophisticated control functions as the smaller models in the series but is engineered with a much larger power stage to drive heavy industrial motors up to 15 kW (20 HP).
Primary Functions
High-Power Speed & Torque Regulation: Precisely controls large 3-phase motors (asynchronous, synchronous, permanent magnet, and reluctance) with an output current of 32 Amps (Heavy Duty).
Heavy-Load Management: Capable of providing 180% nominal torque for 2 seconds. This is critical for 15 kW applications like large industrial mixers, heavy-duty conveyors, and high-capacity hoisting systems that require significant force to overcome inertia.
Safety Integration: Includes the standard suite of embedded safety functions (Safe Torque Off, Safe Stop 1, Safely Limited Speed) to protect high-power machinery without needing redundant external contactors.
Dynamic Braking: Features a built-in braking transistor, which is essential at this power level for dissipating the large amounts of energy generated when stopping a 20 HP motor quickly.
Key Functional Differences (vs. smaller models)
Power Stage Management: While the software "brain" is identical, this unit (D15) uses a much larger heat sink and more powerful cooling fans to manage the thermal output of a 32A load.
DC Bus Terminals: Provides access to the DC bus, allowing for common DC bus architectures where multiple drives share power to improve energy efficiency in multi-axis machines.
EMC Filtering: Comes with a more robust integrated Class C3 EMC filter to mitigate the higher electrical noise (EMI) generated by 15 kW motor leads.
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