134F2978

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The Danfoss 134F2978 Frequency Converter is part of the VLT FC 360 Automation Drives series and operates at 380-480 VAC across 3 phases. It features a rated power of 5.5 kW, a rated horsepower of 7.5 HP, and a built-in brake chopper. Its IP20 chassis enclosure and coated PCB provide durability and reliable performance.

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Product Description:

A part of the VLT FC 360 Automation Drive line, the Danfoss 134F2978 is made to be stable, effective, and provide versatile motor controls in a manufacturing setting.

The frequency converter (VFD) has an output power of up to 7.5 HP. It is rated at 5.5 kW and thus can be used in a medium-duty electric, such as a conveyor, a pump, a fan, or any other automation equipment. Operating at a three-phase 380-480 VAC supply, the drive has reliable operation over a wide voltage range. The IP20 chassis enclosure supports cabinet mounting applications, and the RFI Class A2 filter is a built-in mechanism to optimize electromagnetic compatibility and conform to labeling on industrial noise levels. The drive has a built-in brake chopper to suit the demands of regenerative braking and system management. To guard its internal electronics, 134F2978 is featured with 3C3-class conformal coating on its PCBs. This offers strong protection against dust, moisture, and humidity, enhancing longer life even in harsh industrial conditions.

A DC choke is also built in, which minimizes harmonic loads on the mains supply and which also safeguards the DC bus, further promoting efficiency and system stability. Although the model does not have a local control panel (LCP) and a cover blind, it has the standard Danfoss control card, technically capable of integrating it with an automation system and external monitoring. The drive is optimized to work in high ambient climates, with full load derating extended to +55 °C compared to +50 °C, high temperatures that ensure reliable operation and durability in harsh conditions. It can be purchased at Wake Industrial with a one-year warranty.

Ambient Temp (derated)
Full load to +50°C, up to +55°C with derating
Brake Chopper
Built-in
Coating Level
3C3-class conformal coating on PCBs
Control Card
Standard Control Card
DC Choke
Built‑in DC choke
Display
No Display (No Blind Cover)
Enclosure Rating
IP20 / Chassis
Fieldbus Support
RS‑485 w/ FC protocol & Modbus RTU
Input Voltage
380-480 VAC
Pcb Protection
Coated (Conformal Coating)
Phases
3 Phase
Rated Horsepower
7.5 HP
Rated Power
5.5 kW
Rfi Class
A2
Type
Frequency Converter (VFD)

Frequently Asked Questions about 134F2978:

Q: What input voltage does the 134F2978 support?

A: The 134F2978 operates on a three-phase 380–480 V AC supply.

Q: What type of device is the 134F2978?

A: The 134F2978 is a VLT FC 360 Automation Drive designed for flexible and efficient motor control in industrial systems.

Q: What protection features does the 134F2978 include?

A: The 134F2978 features conformal-coated PCBs, a built-in DC choke, and an RFI Class A2 filter for durability and system protection.

Q: Does the 134F2978 include a brake chopper?

A: Yes, the 134F2978 has a built-in brake chopper for regenerative braking and enhanced system management.

Q: In which applications is the 134F2978 commonly used?

A: The 134F2978 is commonly used in pumps, fans, conveyors, and other medium-duty automation systems.


Internal Product Review

  • ‘‘The 134F2978 is a durable VLT FC 360 Automation Drive designed for medium-duty industrial applications. With built-in RFI filtering, a brake chopper, conformal-coated PCBs, and harmonic protection, it delivers reliable and efficient motor control in demanding environments.’’

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