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134G3805 Danfoss

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Internal Product Review

The 134G3805 is a Danfoss VLT FC 302 automation drive designed for three-phase power at 380 to 500 VAC. EtherNet/IP MCA 121 support and a built-in brake chopper make the drive a strong fit for coordinated automation and controlled deceleration duties. IP20/chassis protection rounds out a very capable cabinet-ready package.

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Product Description:

The 134G3805 is an AC variable-frequency drive produced by Danfoss for the VLT FC 302 Automation Drives series. It converts fixed-frequency line power into a modulated output that allows industrial controllers to vary induction motor speed and torque without mechanical throttling. Installed inside a control cabinet, the unit forms the interface between a plant’s three-phase supply and field motors, providing regulated acceleration, deceleration, and constant-speed operation for conveyors, pumps, and other automated loads. This arrangement supports precise process control while reducing the need for mechanical speed-control components.

The drive delivers a continuous output of 1.1 kW, and it is designed for input supplies ranging from 380–500 VAC. It operates on three-phase power, allowing direct connection to standard industrial feeders. For enclosure integration, the housing carries an IP20 chassis rating, so it must be mounted inside a protected panel but needs no additional barrier for protection against accidental finger contact. Dynamic braking energy is routed through an internal brake chopper, which protects the DC link when a motor decelerates rapidly. Standard cabinet-mount A, B, and C frames are supported. The uncoated printed circuit boards are cooled by ambient airflow inside the enclosure.

Motor capacity is also expressed as 1.5 HP, making the drive suitable for light-duty machines that require fine speed adjustment. Networked control is available through the EtherNet/IP MCA 121 option card, enabling direct integration with PLCs that use common industrial Ethernet protocols. An integral RFI filter reduces high-frequency emissions, helping the cabinet meet conducted and radiated electromagnetic compatibility limits without external filters. The drive contains uncoated internal electronics, so the installation environment must remain within the permitted humidity range. Configuration defaults include a standard language pack and omit an LCP keypad. The drive also comes without application-specific adaptation modules.

A Option
EtherNet/IP MCA 121
Adaptation B
No adaptation
B Option
No B Option
Brake - Safe Stop
Brake chopper
C0 Option MCO
No C0 Option
C1 Option
No C1 Option
Cable Entries
Standard
D Option
No D Option
Horse Power
1.5 HP
Language Pack
Standard
LCP
No LCP
Mains Option
No Mains Option
Mains Voltage
380 - 500 VAC
Mounting
Normal cabinet mount A, B & C Frames
PCB Coating
Not Coated
Power Phase
Three Phase Power
Power Rating
1.1 KW
Product Group
VLT AutomationDrive FC
Protection Level
IP20 / Chassis
RFI Filter
RFI Filter
Series Identifier
302

Frequently Asked Questions about 134G3805:

Q: What input voltage range is supported by the Danfoss 134G3805 drive?

A: The 134G3805 supports a mains voltage range from 380 to 500 VAC, accommodating standard industrial power supplies.

Q: What is the power rating of the 134G3805 Automation Drive?

A: This model provides a power rating of 1.1 kW, suitable for controlling loads up to this capacity.

Q: Does the 134G3805 feature EMI/RFI filtering?

A: The 134G3805 includes an RFI filter to help reduce electromagnetic interference in its operating environment.

Q: What mounting options are available for the 134G3805 drive?

A: The mounting type for this Danfoss drive is a normal cabinet mount suitable for A, B, and C Frames.

Q: What communications option is included with the 134G3805 Automation Drive?

A: An EtherNet/IP MCA 121 A Option is installed, which supports Ethernet-based industrial communication.

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