175H1025 Danfoss

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The Danfoss 175H1025 is part of the VLT 3000 Variable Speed Drives series and has a typical motor power of 1.1 kW with an apparent output power of 2.0 kVA. It supports a supply voltage of 400 V three-phase, offers a rated output current of 2.8 A, and features an IP21 rated enclosure. The drive includes an integrated RFI filter and allows a maximum motor cable length of 150 meters when screened or 300 meters unscreened.

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Product Description:

The 175H1025 variable frequency drive is produced by Danfoss as part of the VLT 3000 Variable Speed Drives series. It is intended for cabinet-mounted installation where it converts the plant’s fixed three-phase supply into an adjustable output that matches motor speed to process demand, improves energy usage, and soft-starts loads to reduce mechanical wear in automated equipment.

The drive accepts a nominal line of 400 V (3-phase) and uses an internal control circuit that is energized with 24 V DC. Under continuous-torque mode the inverter can deliver a rated output current of 2.8 A, supporting motors up to 1.1 kW. Apparent output capability reaches 2.0 kVA, which defines the total volt-ampere loading the power section can sustain without derating. An integrated RFI filter attenuates conducted emissions so the unit can be wired into sensitive control cabinets without external line chokes. Environmental protection corresponds to IP21, allowing indoor use where dripping water is not present and airflow is unrestricted.

The power section is protected upstream by a maximum pre-fuse size of 16 A, and the inverter can withstand an overload of 3.5 A for sixty seconds to handle short process surges. Motor leads may be routed up to 150 m when shielded or 300 m when left unscreened, giving flexibility for large machines and remote pump sets while staying within drive-side capacitance limits. These cable lengths, combined with the specified fuse and overload margins, ensure the VLT 3000 maintains stable voltage rise times and reliable fault clearing across diverse installation layouts.

Apparent Output Power
2.0 kVA
Control Input Voltage
24 V DC
Enclosure Rating
IP21
Max Motor Cable Length (screened)
150 m
Max Motor Cable Length (unscreened)
300 m
Max Pre-fuse
16 A
Overload Current (60 S)
3.5 A
Rated Output Current (ct)
2.8 A
Rfi Filter
Integrated
Supply Voltage (nominal)
400 V (3-phase)
Typical Motor Power
1.1 kW

Frequently Asked Questions about 175H1025:

Q: What is the typical motor power rating of the Danfoss 175H1025 drive?

A: The typical motor power supported by the 175H1025 drive is 1.1 kW.

Q: What supply voltage is required for operating the 175H1025 VLT 3000 drive?

A: The 175H1025 uses a nominal supply voltage of 400 V in a 3-phase configuration.

Q: What is the maximum permitted screened motor cable length for the 175H1025?

A: The maximum motor cable length for screened cables is 150 meters on this model.

Q: Does the 175H1025 VLT 3000 include an RFI filter as standard?

A: This drive features an integrated RFI filter for reducing radio frequency interference.

Q: What is the enclosure rating of the Danfoss 175H1025 variable speed drive?

A: The enclosure rating for the 175H1025 is IP21, providing basic protection against solid objects and dripping water.


Internal Product Review

  • ‘‘The 175H1025 from the VLT 3000 series is a variable speed drive by Danfoss offering 2.0 kVA apparent output power and supports a nominal 400 V three-phase supply voltage. With an integrated RFI filter and IP21 enclosure rating, this unit is well-suited for industrial environments. The ability to handle up to 300 m of unscreened motor cable highlights its flexibility in installation.’’

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