175H2904 Danfoss
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The Danfoss 175H2904 is part of the VLT 3000 Variable Speed Drives series and offers a rated output power of 2.2 kW with a maximum output frequency of 120 Hz. It operates on a 3-phase input supply voltage of 380, 400, or 415 V at 50 or 60 Hz, with a rated input current of 5.6 A. Efficiency at full load is 96 percent, and the drive supports a maximum ambient temperature of 40 degrees Celsius.
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Product Description:
The 175H2904 is an AC motor controller manufactured by Danfoss for the VLT 3000 Variable Speed Drives series. Installed between the mains and an induction motor, it modulates output frequency to match process demands, allowing energy-efficient speed regulation across conveyors, pumps, and fans in industrial automation.
The drive accepts a mains feed of 3-phase 380/400/415 V and synchronizes to that supply through a DC link and inverter stage. At full load the rectifier draws 5.6 A, and the output bridge delivers a continuous shaft capability of 2.2 kW. Operating efficiency reaches 96%, meaning only a small fraction of input power is lost as heat, which eases enclosure ventilation requirements. Speed reference is generated internally or by the controller up to 120 Hz, providing ample headroom for high-speed spindle or blower applications without changing pulley ratios.
Short-term overload capacity is defined by an input surge rating of 6.2 A and a corresponding motor phase current burst of 5.3 A for 60 seconds; these limits let the drive accelerate inertial loads without tripping. The continuous motor current ceiling is 4.8 A, coordinated with thermal models inside the firmware. Compatibility with global plants comes from a line frequency window of 50/60 Hz, while ancillary features include a 10 kΩ analog reference input, a 24 VDC digital I/O rail, allowance for 1000 ft of unshielded motor cable, a 40 °C full-load ambient rating, and only 100 W of heat dissipation at maximum output.
Wake Industrial can dispatch the unit with same-day shipping when required, backs each purchase with a 1-year warranty, and keeps quotations valid for 30 days to aid budget planning.
Frequently Asked Questions about 175H2904:
Q: What is the rated output power capacity of the Danfoss 175H2904 drive?
A: The 175H2904 VLT 3000 drive supports a rated output power of 2.2 kW for connected motors.
Q: What input voltage range does the VLT 3000 175H2904 drive require for operation?
A: This drive operates on a three-phase 380/400/415 V input supply with a ±10% voltage tolerance.
Q: What efficiency does the 175H2904 VLT 3000 achieve when fully loaded?
A: At full load, the efficiency of the 175H2904 model reaches 96%.
Q: What is the maximum output frequency supported by the Danfoss 175H2904?
A: The maximum output frequency for this drive is 120 Hz, allowing control of high-speed motors.
Q: What is the maximum ambient temperature allowed for full load operation of the 175H2904 drive?
A: The 175H2904 can safely operate at a maximum ambient temperature of 40°C under full load conditions.
