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134U7714 Danfoss

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Internal Product Review

The 134U7714 is a Danfoss VLT FC 280 midi drive with a 0.75 kW rating for three-phase 380-480 VAC systems. Integrated Profibus DP and a built-in brake chopper give the drive strong network compatibility and controlled deceleration in machine-duty applications. A coated PCB and IP20 chassis construction support clean panel integration and consistent long-term service.

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Product Description:

The 134U7714 variable frequency drive is produced by Danfoss as part of the VLT FC 280 Midi Drives series. Designed for cabinet installation, the drive converts fixed mains power into a regulated output that allows machine controllers to adjust motor speed in material-handling, HVAC, and general production lines. The enclosure has an IP20 chassis rating and therefore requires installation inside a protected electrical panel, where the chassis remains shielded from accidental contact and contaminants.

It accepts a three-phase input of 380–480 VAC, a range that matches typical plant distribution networks. At the motor terminals, it can deliver an output of 0.75 kW, equivalent to 1.0 HP, for operating compatible induction motors. This output supports applications such as small conveyors, fans, pumps, and other machinery that requires adjustable speed. Noise suppression is provided by the built-in EMC Category C1 (200 V) / C2 (400 V) filter, which minimizes conducted emissions on supply lines. Adaptation A and Adaptation B are not selected, and the drive connects to the incoming feeder without an added mains option. The drive has no display, so parameter settings are accessed through remote tools or fieldbus software rather than a local operator panel.

Field integration is supported by the factory-installed Profibus DP control card, which provides cyclic setpoints and diagnostic data over a standard RS-485 network. This interface allows a compatible controller to send operating commands and receive drive status information without relying on separate analog signal wiring. During rapid deceleration, the internal brake chopper manages regenerative energy by routing it through the configured braking circuit. This arrangement supports controlled slowing when an inertial load causes the motor to return energy to the DC bus. For added durability, the drive uses a coated printed circuit board that resists moisture and airborne contaminants commonly found inside industrial enclosures. The protective coating helps preserve the control electronics when the surrounding air contains dust, condensation, or other residue from production processes.

Adaptation A
No Adaption
Adaptation B
No Adaption
Brake & Stop
Brake chopper
Coating
Coated PCB
Control Card
Integrated Profibus DP
Display
No display
Horse Power
1.0 HP
Mains Option
No mains options
Power Rating
0.75 KW
Product Group
Midi Drive FC
Protection Rating
IP20 / Chassis
RFI Filter
EMC Cat C1(200V)/C2(400V)
Series
280
Voltage
Three phase 380-480 VAC

Frequently Asked Questions about 134U7714:

Q: What causes a burst transient when the 134U7714 drive is used?

A: A burst transient occurs when the 134U7714 drive and the control system have different ground potentials.

Q: How can the control panel of the 134U7714 drive be removed?

A: The control panel of the 134U7714 drive can be removed using a screwdriver.

Q: How can good mechanical support be ensured for the fieldbus connectors of the 134U7714 drive?

A: Good mechanical support can be ensured for the fieldbus connectors of the 134U7714 drive by using a vertical decoupling plate.

Q: Where is the horizontal decoupling plate of the 134U7714 drive placed?

A: The horizontal decoupling plate of the 134U7714 drive is placed on its control cassette and fastened using two screws.

Q: What kind of output motor cables are used with the 134U7714 drive?

A: Shielded cables are used as the output motor cables with the 134U7714 drive.

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