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131B0788 Danfoss

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The Danfoss 131B0788 is part of the VLT FC 302 Automation Drives series and offers a power rating of 2.2 kW with a 3.0 HP output using three phase power. It features a graphical local control panel, standard cable entries, and a protection level of IP20. This drive supports a mains voltage range of 380 to 500 VAC and includes an MCB-107 24V DC backup option.

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Product Description:

The 131B0788 is a variable frequency drive produced by Danfoss for the VLT FC 302 Automation Drives series. It converts a fixed-frequency three-phase supply into a pulse-width-modulated output that allows plant controllers to vary induction motor speed in real time. Installing the drive between the mains supply and a motor can reduce energy consumption, match torque to process demand, and eliminate the need for mechanical throttling devices. The unit is intended for integration into industrial cabinets where space, serviceability, and standardized wiring practices are important. Its control architecture supports applications that require precise motor regulation across changing speeds and loads.

The drive delivers a continuous electrical output of 2.2 kW, indicating the maximum power it can provide to the motor terminals without derating. Its corresponding mechanical output is rated at 3.0 HP, which supports equipment documented with imperial units. The input section accepts line voltages from 380–500 VAC, allowing operation on the 400 V class networks commonly used in industrial plants. The product uses three-phase power, so the supply connection requires three line conductors and a protective ground. This arrangement reduces DC-link ripple and supports efficient motor operation. An IP20 chassis enclosure provides basic protection against accidental finger contact when the drive is installed inside a control cabinet. The surrounding cabinet must provide any additional protection required against dust, moisture, or contact with energized components.

The D-slot contains an MCB-107 24 V DC backup module, allowing the control logic to remain active during short interruptions of the mains supply. Local setup is performed through the Graphical Local Control Panel, which provides menu-based parameter entry and trend displays without requiring external software. Conducted emissions are suppressed by the built-in RFI Class A1/B (C1) filter, helping the installation satisfy applicable residential and light-industrial electromagnetic compatibility limits. Mechanical integration uses normal cabinet mounting for A, B, and C frames, providing compatibility with the appropriate cabinet layouts. Standard cable entries support conventional routing for supply, motor, and control conductors. The printed circuit boards are not coated, so the cabinet should protect the internal electronics from excessive moisture and airborne contaminants.

A Option
No Option
Adaptation B
No adaptation
B Option
No B Option
Brake - Safe Stop
No brake chopper
C1 Option
No C1 Option
Cable Entries
Standard
D Option
MCB-107 24V DC backup
Horse Power
3.0 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
2.2 KW
Product Group
VLT AutomationDrive FC
Protection Level
IP20 / Chassis
RFI Filter
RFI Class A1/B (C1)
Series Identifier
302

Frequently Asked Questions about 131B0788:

Q: What is the input voltage range for the Danfoss 131B0788 VLT FC 302 drive?

A: This drive operates with a mains voltage range of 380 to 500 VAC.

Q: What is the maximum power output of the 131B0788 drive?

A: The Danfoss 131B0788 can deliver a power rating of 2.2 kW, equivalent to 3.0 HP.

Q: What type of power phase does the 131B0788 VLT FC 302 use?

A: This model features three-phase power for efficient industrial operation.

Q: What type of control panel is provided with the Danfoss 131B0788?

A: The 131B0788 includes a graphical Local Control Panel (LCP) for user interface and configuration.

Q: What protection level and mounting options does the 131B0788 VLT FC 302 offer?

A: This drive is protected to IP20 / chassis level and is suitable for mounting in normal cabinet frames A, B, or C.


Internal Product Review

  • ‘‘The 131B0788 is a Danfoss automation drive rated at 3.0 HP for 380 - 500 VAC service. A graphical Local Control Panel and RFI Class A1/B (C1) filtering give the unit polished commissioning behavior and reliable electrical compatibility. IP20 / Chassis protection makes the drive a strong fit for controlled cabinet installations.’’

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