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134F2974 Danfoss

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The Danfoss 134F2974 is an automation drive in the VLT FC 360 Automation Drives series with a power rating of 1.5 kW and supports 2.0 horsepower. It operates at a three-phase voltage of 380-480VAC and features an IP20 protection level with standard cable entries and a coated PCB. This drive includes a brake chopper, loadsharing mains option, and comes with an RFI Class A2 filter.

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Product Description:

The 134F2974 variable frequency drive is manufactured by Danfoss for the VLT FC 360 Automation Drives series. The unit converts fixed-frequency mains power into a controlled AC output that allows plant PLCs to regulate the speed of standard three-phase motors. By adjusting frequency and voltage in real time, the drive supports conveyor lines, pumps, and fan systems where precise speed changes can improve process throughput and energy efficiency.

It uses an IP20 chassis, so the live parts must be installed inside a protected cabinet, but extra gaskets are not required for airflow. The input section accepts a 380–480 VAC three-phase supply, matching common industrial power systems without requiring an autotransformer. Continuous output is limited to 1.5 kW, which corresponds to a mechanical capability of 2.0 HP for small pumps or indexing stations. The drive supports high-overload operation, allowing the inverter to deliver elevated current during acceleration or brief process peaks before thermal limits intervene. An integrated brake chopper directs regenerated energy to an external resistor, preventing DC-link overvoltage during rapid deceleration or the lowering of vertical loads.

Electromagnetic compatibility is supported by the built-in RFI Class A2 filter, which helps the drive operate on shared power buses without exceeding conducted emission limits for industrial environments. Circuit-trace corrosion resistance is improved by a coated printed circuit board, supporting reliable operation in areas with airborne moisture or process fumes. The power terminals include load-sharing connections, allowing multiple drives to exchange inrush and braking energy through a common DC rail. Standard cable entries simplify the gland plate layout, while the control electronics use the standard control card arrangement. The unit is supplied without a display, adaptation modules, or a B option, which keeps the installed configuration straightforward and avoids adding unused accessories to the panel assembly.

Adaptation A
Standard Cable Entries
Adaptation B
No Adaptation
B Option
No B Option
Brake & Stop
Brake Chopper
Coating
Coated PCB
Control Card
Standard Control Card
Display
No Display (No Blind Cover)
Horse Power
2.0 HP
Mains Option
Loadsharing
Power
High Overload
Power Rating
1.5 KW
Product Group
VLT AutomationDrive FC
Protection Level
IP20 / Chassis
RFI Filter
RFI Class A2
Series
360
Voltage
380-480VAC (Three phased)

Frequently Asked Questions about 134F2974:

Q: What is the horsepower rating of the Danfoss 134F2974 drive?

A: The Danfoss 134F2974 drive has a rated output of 2.0 HP.

Q: What input voltage range does the 134F2974 support?

A: This model operates on a three-phase voltage of 380-480VAC.

Q: What type of braking system is included with the Danfoss 134F2974?

A: The 134F2974 features a brake chopper for effective braking applications.

Q: What is the protection level of the 134F2974 automation drive?

A: The 134F2974 drive offers a protection level of IP20, with a chassis design.

Q: Does the Danfoss 134F2974 feature a coated PCB?

A: This model is equipped with a coated PCB for enhanced durability.


Internal Product Review

  • ‘‘The 134F2974 is a Danfoss VLT FC 360 automation drive designed for 380-480 VAC three-phase systems. High-overload capability and an integrated brake chopper make the drive well suited for demanding motion and process duty. Coated PCB construction adds durability, making the package a strong 1.5 kW solution.’’

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