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137L2305 Danfoss

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The Danfoss 137L2305 is part of the VLT FC 302 Automation Drives series and has a power rating of 5.5 kW or 7.5 horsepower. It supports three phase power, operates with mains voltage from 380 to 500 VAC, and features a PROFINET MCA 120 option and an MCB-103 Resolver Option. The drive comes with a graphical local control panel, IP20 protection level, and includes an RFI filter.

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Product Description:

The 137L2305 is an AC variable frequency drive manufactured by Danfoss for the VLT FC 302 Automation Drives series. Installed inside control cabinets, it modulates the frequency and voltage supplied to three-phase induction or permanent-magnet motors so automation systems can match speed and torque to real-time process demands. By varying output frequency and voltage together, the unit supports controlled acceleration, steady-state speed regulation, and process-specific torque adjustment in automated machinery. It is intended for general motion and flow applications where a compact chassis-mounted drive is preferred and where communication with plant controllers is handled through fieldbus connections.

For cabinet installations, the drive accepts a mains supply of 380 – 500 VAC and delivers up to 7.5 HP, which is equivalent to 5.5 kW of continuous shaft power. The enclosure has a rating of IP20 / Chassis, so it depends on the surrounding cabinet for dust protection. Normal cabinet-mount A, B, and C frames are supported, and standard cable entries simplify wiring. The front door includes a graphical Local Control Panel that displays parameters in the standard language pack. Network integration is handled by the PROFINET MCA 120 option card, while resolver feedback from connected motors is accepted through the MCB-103 resolver board. This arrangement keeps operator access at the drive face while leaving power and network terminations inside the enclosure.

Control functions include a built-in RFI Filter, allowing the three-phase power input to meet EMC limits without separate line modules. Dynamic stopping energy is routed to the integrated brake chopper, which helps protect the DC link during rapid deceleration. The printed circuit boards are not coated, and the unit uses forced-air cooling with clear internal thermal paths for cabinet installation. Because the input filter is built in, the drive can address line-side interference without a separate external filter in the basic configuration.

A Option
PROFINET MCA 120
Adaptation B
No adaptation
B Option
MCB-103 Resolver Option
Brake - Safe Stop
Brake chopper
C Option Software
No Software Option
C0 Option MCO
No C0 Option
C1 Option
No C1 Option
Cable Entries
Standard
D Option
No D Option
Horse Power
7.5 HP
Language Pack
Standard
LCP
Graphical Local Control Panel
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
5.5 KW
Product Group
VLT AutomationDrive FC
Protection Level
IP20 / Chassis
RFI Filter
RFI Filter
Series Identifier
302
Software Release
Latest Release

Frequently Asked Questions about 137L2305:

Q: Which fieldbus communication option comes with the 137L2305 drive?

A: The 137L2305 features a PROFINET MCA 120 communication option.

Q: What is the power output of the Danfoss 137L2305 drive?

A: This drive delivers a power rating of 5.5 kW and 7.5 HP for industrial use.

Q: What type of control panel does the 137L2305 VLT FC 302 drive include?

A: The 137L2305 is equipped with a graphical local control panel for user operations.

Q: What mains voltage and power phase does the 137L2305 support?

A: It supports three phase power input with a mains voltage range of 380 to 500 VAC.

Q: Does the 137L2305 VLT FC 302 drive include an RFI filter?

A: This model is supplied with a built-in RFI filter for electromagnetic interference reduction.


Internal Product Review

  • ‘‘The 137L2305 is a Danfoss VLT FC 302 Automation Drive designed for three-phase power operation with a 7.5 HP rating and a power range of 5.5 kW, making it highly suitable for demanding automation applications. It offers a PROFINET MCA 120 communication option and includes a built-in brake chopper for enhanced motor control. The graphical local control panel and integrated RFI filter further improve usability and electromagnetic compatibility, making this drive a strong choice for industrial environments.’’

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