176F0556 Danfoss

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The Danfoss 176F0556 is part of the VLT 5000 Frequency Converters series and is designed for process control applications with a power size of 30 kW for 110 percent torque. It has a compact Nema1 enclosure and requires a 380-500 V three-phase supply. The converter measures 700 mm in height, 242 mm in width, and 260 mm in depth.

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Product Description:

The 176F0556 frequency converter belongs to the VLT 5000 Frequency Converters series produced by Danfoss. It is intended for closed-loop speed control in industrial automation. Positioned between the plant’s mains and an AC motor, the unit adjusts output frequency so pumps, fans, or conveyors can follow process requirements while maintaining constant torque and reducing inrush stress. Closed-loop operation helps correct speed deviations caused by changing load conditions, which supports steadier process flow during continuous production.

The enclosure is Compact NEMA 1, providing basic protection for indoor cabinet mounting without external conduit fittings. Control is performed by a dedicated process control card, and a display is supplied for local parameter entry and status viewing. These features allow operating data to be viewed directly at the unit during setup and routine use. The converter accepts a 380-500 V input and, with a short-term overload allowance of 110%, delivers up to 30 kW to the motor. Board construction uses non-coated boards, so clean, dry installation areas are recommended. The hardware is standard, no application option is built in, and the unit has an overall height of 700 mm. No fieldbus option is included, so communication remains focused on stand-alone process regulation.

A second rating of 22 kW at 160% torque supports shorter acceleration periods in torque-heavy duty cycles. This helps in applications where the motor must start under load or respond quickly to changing process demands. The unit has a width of 242 mm and a depth of 260 mm, which helps when arranging contactors or filters in the same cabinet. A three-phase supply is required because the output stage is built for 3-phase operation. No RFI filter performance is specified, so external suppression may be needed when sensitive instrumentation shares the same panel.

Application Option
No option built in
Coating
Non coated boards
Control Type
Process control card
Depth
260 mm
Display Unit
Display supplied
Enclosure
Compact Nema1
Fieldbus
No field bus option
Hardware
Standard
Height
700 mm
Mains Voltage
380-500 V three phase supply
Phases
3-Phase
Power Size (110% Torque)
30 kW
Power Size (160% Torque)
22 kW
Product Type
VLT 5000
RFI Filter Performance
None specified
Width
242 mm

Frequently Asked Questions about 176F0556:

Q: What input voltage does the 176F0556 VLT 5000 frequency converter support?

A: The 176F0556 frequency converter is rated for a 380-500 V three-phase power supply.

Q: What is the maximum power output at 110% torque for the 176F0556?

A: This model can deliver up to 30 kW of power at 110% rated torque.

Q: What type of enclosure does the Danfoss 176F0556 feature?

A: The 176F0556 is equipped with a Compact Nema1 enclosure for its housing.

Q: What control type is implemented in the VLT 5000 176F0556?

A: A process control card is used as the control type for the 176F0556 unit.

Q: Does the 176F0556 include a fieldbus communication option?

A: There is no fieldbus communication option included with the 176F0556 model.


Internal Product Review

  • ‘‘The 176F0556 from the VLT 5000 Frequency Converters series is a Danfoss drive well-suited for industrial process control, featuring a process control card and a display unit for straightforward operation. With a 3-phase, 380-500 V supply and a maximum power size of 30 kW at 110% torque, this unit delivers reliable performance for demanding applications. The compact NEMA1 enclosure further supports versatile integration into control panels.’’

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