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134F3403 Danfoss

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Internal Product Review

The 134F3403 is a Danfoss VLT FC 302 automation drive rated for 25 HP with a 380 to 500 VAC input range. PROFIBUS DP V1 communication and a graphical local control panel support efficient commissioning and dependable network integration. IP54/Type 12 protection is a standout advantage for demanding automation service.

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Product Description:

The 134F3403 variable frequency drive is produced by Danfoss as part of the VLT FC 302 Automation Drives series. It regulates the speed and torque of three-phase induction motors in automated material-handling lines, pump skids, and general process equipment, allowing closed-loop control without mechanical throttles. By converting fixed-frequency mains power into a pulse-width-modulated output, it supports energy-efficient operation wherever dynamic speed adjustment is required.

The rated output power is 18.5 kW, enabling the inverter to provide continuous mechanical power to a matched motor. The input section accepts 380–500 VAC across all three lines, so it connects directly to common industrial feeders without step-down transformers. Because the unit uses three-phase power, its rectifier and DC link balance phase currents and help limit harmonics. An IP54, Type 12, and NEMA 3R enclosure shields the electronics from dust and splashing water, supporting installation outside a sealed cabinet. The language pack is set to Standard, and the printed circuit boards are uncoated, so ambient humidity must remain within the drive’s stated operating limits. Proper installation clearances allow heat to leave the enclosure while maintaining access to power and control terminals.

Fieldbus communication is provided by the PROFIBUS DP V1 MCA 101 A-option card, enabling cyclic commands and diagnostic data exchange with PLC controllers. Local interaction is handled through a graphical local control panel that displays parameter lists, operating values, alarms, and fault history at the drive face. Conducted emissions are reduced by the integrated RFI filter, which helps prevent electrical noise from traveling back through the supply network. Wiring passes through imperial smooth cable entry plates that accept North American gland hardware and support orderly routing into the enclosure. The installed interface arrangement provides remote network control and direct local access without requiring separate display equipment. These control paths allow operating values to be viewed locally while commands and diagnostic information are exchanged with the automation system.

A Option
PROFIBUS DP V1 MCA 101
Adaptation B
No adaptation
B Option
No B Option
Brake - Safe Stop
No brake chopper
C0 Option MCO
No C0 Option
C1 Option
No C1 Option
Cable Entries
Imperial Smooth Cable
D Option
No D Option
Horse Power
25 HP
Language Pack
Standard
LCP
Graphical Local Control Panel
Mains Option
No Mains Option
Mains Voltage
380 - 500 VAC
PCB Coating
Not Coated
Power Phase
Three Phase Power
Power Rating
18.5 KW
Product Group
VLT AutomationDrive FC
Protection Level
IP54/Type12 N3R
RFI Filter
RFI Filter
Series Identifier
302

Frequently Asked Questions about 134F3403:

Q: What is the rated horsepower of the Danfoss 134F3403 drive?

A: This model is rated at 25 horsepower for demanding automation applications.

Q: What mains voltage range does the 134F3403 VLT FC 302 support?

A: The 134F3403 drive is compatible with mains voltages between 380 and 500 VAC.

Q: Which communication option is installed on the Danfoss 134F3403 drive?

A: The drive includes a PROFIBUS DP V1 MCA 101 communication option for industrial networking.

Q: What level of environmental protection does the 134F3403 provide?

A: This drive is protected to IP54/Type12 N3R standards, providing resistance to dust and splashing water.

Q: Does the Danfoss 134F3403 include a Local Control Panel?

A: A graphical Local Control Panel (LCP) comes pre-installed, enabling easy on-site configuration and monitoring.

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