175H4429
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The Danfoss 175H4429 drive, part of the VLT 3000 Variable Speed Drives series, features an IP54 enclosure rating and weighs 63 kg. It delivers a typical shaft output of 22.0 kW, an output current of 44.0 A, and supports motor voltages of 380/400/415 V. The drive meets EMC emission standards EN 55011 and EN 55014.
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Product Description:
The 175H4429 Drive from Danfoss operates dependably under a demanding industrial automation environment and consumes a steady 37.3 amperes during continuous service. The module accepts three phase mains between 440 and 500 volts with tolerance for grid fluctuations.
The 175H4429 drive accepts fairly thick cables up to 35 square millimeters to handle the electrical load without overheating. It is made to run reliably within certain moisture levels in air so humidity in the operating environment will not interfere with electronics if kept within limits. It comes with a switch on frequency of 2 per minute which means it is not built to endure rapid power cycling. Out of all incoming energy, nighty six percent get delivered usefully to the motor and only a small portion is lost as heat. It has been tested to withstand shaking forces equivalent to 0.7 g and it does not fail under modest vibration levels. It weighs just under 50 kg and it requires proper handling. It may draw the highest current up to 48.6 amperes when the connected motor behaves like a quadratic load. The ratio of real power to apparent power is nearly 1 which means it uses electricity very effectively.
This 175H4429 drive maximum fuse rating is 60 amperes which ensures the wiring and drive are safeguarded against faults. It can deliver rated power up to 22 kW continuously. It is compatible with both common grid frequencies such as 50 or 60 hertz and can be installed worldwide. It includes measures to avoid damage if a conductor touches earth or a short develops. It meets European emission standards which means it will not radiate excessive interference.
Frequently Asked Questions about 175H4429:
Q: How much starting and stopping frequency can the 175H4429 Drive safely handle?
A: It tolerates only limited power cycling, so frequent on/off switching may reduce lifespan. For applications with frequent starts, external soft-start logic is recommended.
Q: What is the effect of using thicker cables than required?
A: Oversized conductors reduce voltage drop and heating but raise installation cost. The drive won’t benefit beyond the specified safe limit.
Q: How does efficiency close to unity affect operational costs?
A: Higher conversion efficiency means less waste heat and lower electricity bills. It also reduces cooling requirements in control cabinets.
Q: What is the consequence of exceeding the 60 A fuse rating?
A: Oversized fuses may fail to trip during faults, risking component damage. Always size protective devices according to the manufacturer’s guidance.
Q: How does the 175H4429 Drive handle unbalanced or fluctuating supply voltages?
A: It can tolerate ±10% variation in line voltage without tripping. Larger deviations may require stabilizers or transformers.
