175H7244 Danfoss
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The Danfoss 175H7244 is a variable speed drive from the VLT 3000 Variable Speed Drives series with a power rating of 1.5 kW and a maximum input current of 4.8 A. It features an IP54 enclosure rating, supports supply voltages of 3 x 380/400/415 V, and accommodates a maximum motor cable length of 300 meters. The drive measures 530 mm in height, 284 mm in width, 178 mm in depth, and weighs 11.0 kg.
Internal Product Review
The 175H7244 is a Danfoss VLT 3000 variable speed drive with a 1.5 kW power rating and IP54 enclosure protection. Rated output current of 4.1 A and supply voltage of 3 x 380/400/415 V ±10% support dependable integration in three-phase motor control applications. Acoustic noise of 59 dBA gives the unit a notably refined operating profile.
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Product Description:
The 175H7244 is a variable frequency drive in the VLT 3000 Variable Speed Drives series produced by Danfoss. Designed for three-phase induction motors, the unit converts fixed mains power into a pulse-width-modulated output so that conveyors, pumps, and fans can operate at application-specific speeds and torque levels. By adjusting frequency and voltage simultaneously, it improves process control and reduces energy use in industrial automation cells. The controlled output also supports gradual acceleration and deceleration, reducing abrupt mechanical stress on connected equipment.
The drive accepts a line supply of 3 × 380/400/415 V ±10%, draws a maximum input current of 4.8 A, and requires upstream protection from a 16 A fuse. This input range accommodates common industrial three-phase distribution systems while allowing normal line-voltage variation. Under continuous duty, it delivers a rated output current of 4.1 A and an apparent power of 2.9 kVA. For short-term overloads, it can sustain 6.5 A for 60 seconds, while its mechanical output is rated at 1.5 kW. The drive supports motor cables up to 300 m long when the conductors are sized within the 2.5 mm² limit, helping maintain acceptable voltage drop over extended cable runs.
The IP54 enclosure resists dust ingress and splashed water in machine rooms. The housing measures 284 mm wide, 178 mm deep, and 530 mm high, while the assembly weighs 11.0 kg for wall or panel mounting. Its rectangular footprint can be checked against the available mounting surface and surrounding wiring space before installation. Thermal dissipation is rated at 100 W, so cabinet airflow must prevent heated air from recirculating inside sealed enclosures. Adequate clearance around the housing helps carry this heat away without obstructing nearby wiring ducts or components. Operating acoustics reach only 59 dBA, supporting placement near occupied work areas without additional sound shielding.
