175H7375 Danfoss
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The Danfoss 175H7375 is part of the VLT 3000 Variable Speed Drives series and offers a typical motor power of 7.5 kW with an efficiency at full load of 0.96. It supports a supply voltage class of 440, 460, or 500 V three-phase at 50 or 60 Hz, and has an output current of 14.5 A and apparent power of 12.6 kVA. The drive features analog inputs and outputs of 0/4–20 mA and a max pre-fuse of 30 A.
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Product Description:
The 175H7375 variable frequency drive is produced by Danfoss as part of the VLT 3000 Variable Speed Drives series. This three-phase controller regulates induction motor speed in conveyors, pumps, and fan assemblies by converting fixed mains power into a modulated output waveform. Its primary role in industrial automation is to maintain torque while trimming energy use, allowing a 7.5 kW motor to follow process demands without mechanical throttling.
Incoming power for the drive falls within the 440/460/500 V class and is accepted at 50/60 Hz, giving the inverter compatibility with common industrial supply systems. Process signals can be fed through an analog channel that supports 0/4–20 mA current loops or a ±10 V voltage range, while a matching analog output returns feedback at the same current scale into loads up to 470 Ω. Control wiring is complemented by a 24 VDC, 140 mA digital input bus and a relay contact rated 250 VAC at 2 A for dry-contact status forwarding. For the constant-torque region the power section delivers 14.5 A of rms output current, enough to drive the connected machine throughout its continuous duty cycle without derating.
During transients the inverter can supply 12.6 kVA of apparent power and withstand 23.2 A for 60 s, permitting brief overloads expected during acceleration or viscous starts. Circuit protection is matched to a 30 A pre-fuse rating so upstream breakers and cables can be sized accordingly. At full load the conversion path operates with an efficiency of 0.96, minimizing heat generation inside the panel. These power and protection parameters combine with the onboard relay output to simplify coordination with upstream disconnects and downstream contactors in typical automation cabinets.
Frequently Asked Questions about 175H7375:
Q: What is the supported analog input voltage range for the Danfoss 175H7375?
A: The analog input voltage for the 175H7375 drive can be set between ±10 V.
Q: What is the maximum output current of the 175H7375 in CT mode?
A: The maximum output current in constant torque mode is 14.5 A for this model.
Q: What supply voltage class does the 175H7375 variable speed drive support?
A: This drive is designed to operate on a 3-phase supply with a voltage class of 440/460/500 V.
Q: What is the efficiency of the Danfoss 175H7375 at full load?
A: At full load, the 175H7375 achieves an efficiency of 0.96, minimizing energy losses during operation.
Q: What is the typical motor power rating for the 175H7375 drive?
A: The 175H7375 is rated for a typical motor power of 7.5 kW, making it suitable for medium-sized motor applications.
