195N1109

The Danfoss 195N1109 variable speed drive is a robust member of the VLT 2800 Low Voltage Drives series, engineered for precision motor control in three-phase systems. Rated at 11 kW, this drive delivers optimal power for medium to heavy-duty motors, providing dynamic performance adjustments under varying load conditions. With an output range of 380-480 V AC and a high-frequency switching capability of 4500 Hz, the 195N1109 ensures smooth acceleration, consistent torque delivery, and minimal audible noise across operational profiles. Encased in an IP20 enclosure, it offers reliable protection against solid object ingress while maintaining accessibility for maintenance and wiring. The compact footprint and professional industrial design make it an ideal solution for automation environments demanding both space efficiency and high performance.

Detailed specifications of the 195N1109 underscore its industrial-grade construction and precise engineering. The drive’s physical dimensions are 200 x 90 x 152 mm, enabling efficient panel integration even in constrained control cabinets. It supports a rated current of 25 A and outputs three-phase power, ensuring compatibility with a broad range of motor sizes. The unit’s weight of 3.8 kg simplifies handling and installation, reducing mechanical stress on mounting structures. Thermal management is optimized for operating temperatures from 0 to 45°C, while a required minimum clearance of 100 mm top and bottom preserves airflow and heat dissipation. Cable runs up to 25 m (screened or armored, 380-480 V) can be accommodated without signal degradation, maintaining drive responsiveness over extended motor connections.

Operational features of the 195N1109 deliver advanced performance and reliability. The drive’s switching frequency of 4500 Hz allows precise voltage and current modulation, effectively reducing torque ripple and enhancing motor efficiency. Real-time control algorithms dynamically adjust motor speed, ensuring stable operation under fluctuating loads and improving energy utilization. Vertical mounting orientation simplifies panel layouts, provided the vertical only specification is observed for optimal cooling. Integrated diagnostics monitor drive temperature, current draw, and system faults, enabling proactive maintenance and minimizing downtime. These capabilities contribute to quieter operation and reliable throughput in high-precision industrial automation applications.

System integration is straightforward with the 195N1109, which supports standard industrial communication protocols and can be incorporated into existing automation architectures. The drive’s compatibility with Danfoss VLT accessory modules enables fieldbus connectivity, remote monitoring, and centralized control in manufacturing execution systems. Target applications include complex conveyor systems, pump and fan controls, material handling, and process automation where precise speed regulation and energy efficiency are paramount. With its combination of 11 kW rated power, IP20 protection, and advanced control features, the Danfoss 195N1109 is optimized for industrial automation environments requiring reliable, high-performance motor drives.