195H3811
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The 195H3811 frequency converter delivers an output power of 1.5 kW, an output current of 4.0 A, and operates with an efficiency greater than 94% at rated load. Part of the VLT 2000 Frequency Converters series by Danfoss, it features IP20 enclosure rating and supports motor cable lengths up to 40 meters unscreened.
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Product Description:
The 195H3811 Frequency Converter is designed by Danfoss and offers reliable motor control for industrial applications. It features advanced protection and speed regulation. The converter adapts easily to various needs while maintaining motor safety.
The 195H3811 frequency converter is designed to handle output frequencies of up to 500 Hz that allows operation with high speed motors. It offers variable switching frequencies ranging from 2 to 14 kHz to ensure quiet motor operation. The unit also features programmable relay output that allows users to program up to 13 different status or alarm indications. It includes programmable DC braking that helps to adapt the unit for various applications. The Danfoss Voltage Vector Control technology in this converter guarantees full rated motor voltage with no derating. The converter is built to function optimally under different humidity and temperature conditions. It supports a maximum relative humidity of 75 % at + 21 °C with higher humidity allowed for a maximum of 30 days per year. The unit is designed for environmental protection with grounding and short circuit proof features. The speed regulation of the model is accurate with open loop speed variations of ± 0.5 % of rated speed and closed loop variations of ± 0.1 %. This ensures precise motor control across varying loads.
The 195H3811 frequency converter includes advanced thermal protection. It monitors motor temperature based on current, frequency and time. It adapts to reduce cooling at low frequencies due to fan speed reductions. The frequency converter features four digital control inputs that are programmable for functions such as reset, start, stop, quick stop, reversing and digital speed change. This unit can withstand ambient temperatures up to + 104 °F.
Frequently Asked Questions about 195H3811:
Q: What makes the 195H3811 Frequency Converter by Danfoss ideal for high-speed motor operation?
A: The 195H3811 is designed to handle output frequencies up to 500 Hz, making it suitable for high-speed motors. It ensures smooth and efficient motor performance even under demanding conditions.
Q: How does the 195H3811 Frequency Converter handle varying environmental conditions?
A: The 195H3811 is built to operate in environments with up to 75% relative humidity at +21°C. It can handle higher humidity for up to 30 days per year, ensuring stable performance.
Q: Can the 195H3811 Frequency Converter adapt to different application requirements?
A: Yes, the 195H3811 includes programmable DC braking, allowing for better adaptability across various applications. It also features programmable relay outputs for up to 13 different status or alarm indications.
Q: How does the 195H3811 Frequency Converter ensure precise motor control across loads?
A: With open loop speed variations of ±0.5% and closed loop variations of ±0.1%, the 195H3811 offers exceptional motor control. This guarantees accurate speed regulation across a variety of load conditions.
Q: What thermal protection features are included in the 195H3811 Frequency Converter?
A: The 195H3811 is equipped with advanced thermal protection that monitors motor temperature based on current, frequency, and time. It adjusts cooling levels at low frequencies, helping to optimize energy use.
