175H3070 Danfoss
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The Danfoss 175H3070 is part of the VLT 3000 Variable Speed Drives series and delivers a typical shaft output power of 1.5 kW with an efficiency of 0.96 at full load. It operates on a 400 V AC three-phase supply with a rated output current of 4.1 A and supports a maximum output frequency of 500 Hz. The drive features an IP54 enclosure rating and has an overload current capacity of 6.5 A for 60 seconds.
Internal Product Review
The 175H3070 from the VLT 3000 Variable Speed Drives series by Danfoss is a high-efficiency drive with a 0.96 efficiency rating at full load and an IP54 enclosure for protection in demanding environments. With a maximum output frequency of 500 Hz and a typical shaft output power of 1.5 kW, this unit ensures stable and precise speed control for industrial motors. Overall, the 175H3070 stands out for its reliable performance and energy efficiency in variable speed applications.
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Product Description:
The 175H3070 is a variable frequency drive produced by Danfoss for the VLT 3000 Variable Speed Drives series. It converts fixed three-phase mains power into a regulated output that allows an automation controller to adjust an induction motor’s speed and torque. By modulating voltage and frequency, the unit supports conveyor sections, pumps, and general machinery that require continuous electronic speed regulation in industrial environments.
The drive is designed for a nominal three-phase line voltage of 400 V AC and delivers a rated output current of 4.1 A. Its inverter section can raise the fundamental output frequency to 500 Hz, allowing high-speed motor operation when mechanical ratios require an elevated electrical frequency. At full load, energy conversion reaches an efficiency of 0.96, minimizing heat losses inside the metal housing. The IP54 enclosure blocks dust and guards against splashing liquids, allowing installation in industrial areas where these contaminants may be present. Continuous apparent power is 2.9 kVA, which accounts for both real and reactive power during variable frequency drive operation. The input current can reach 4.8 A under rated operating conditions. The circuitry supports up to 100 starts per minute without exceeding its thermal limits. Rated motor voltage is 400 V, and the rated motor frequency is 50 Hz for standard IEC motors.
During transient load changes, the controller tolerates an overload current of 6.5 A for 60 seconds before returning to its continuous rating. It synchronizes with power grids operating at 50/60 Hz, allowing the same model to serve regions with different mains frequencies. The internal DC link is protected upstream by a 25 A prefuse, allowing branch protection to clear faults before semiconductor limits are exceeded. The drive provides a typical mechanical output of 1.5 kW to the connected motor, making it suitable for moderate-power speed-control applications.
