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178B4131 Danfoss VLT2811 1.1kW Variable Speed Drive

178B4131 Danfoss VLT2811 1.1kW Variable Speed Drive

178B4131 Danfoss VLT2811 1.1kW Variable Speed Drive. Danfoss 178B4131 variable speed drive (frequency converter). Power rating: 1.1kW / 1.5 HP. Supply: 380-480V +/- 10% 50/60Hz.

SKU: 178B4131
This product has been discontinued A direct replacement is available below.
134U7715 Danfoss VLT Midi Drive FC 280 1.1 kW / 1.5 HP Three phase 380-480 VAC IP20 Replacement product 134U7715 Danfoss VLT Midi Drive FC 280 1.1 kW / 1.5 HP Three phase 380-480 VAC IP20 SKU: 134U7715 £531.20 ex VAT View

Why Choose the 178B4131?

The Danfoss 178B4131 (model code VLT2811PT4B20SBR1DBF12A00C0) is a Variable speed drive (frequency converter) intended for panel installation where accurate motor control, repeatable commissioning, and reliable like-for-like replacement are required.

Configured with Power: 1.1kW / 1.5 HP, Supply: 380-480V +/- 10% 50/60Hz, Phase: 3 phase, Enclosure: IP20, EMC/RFI: EN 55011 Class A1, Comms: Profibus DP 12 MBaud to support correct selection and like-for-like replacements.

Key Benefits

  • Variable speed drive (frequency converter) for correct application matching
  • Configured with Power: 1.1kW / 1.5 HP, Supply: 380-480V +/- 10% 50/60Hz, Phase: 3 phase, Enclosure: IP20, EMC/RFI: EN 55011 Class A1, Comms: Profibus DP 12 MBaud.
  • Suitable for panel installations where reliable commissioning is required.
  • SKU and model code shown for procurement and like for like replacements.

Technical Specifications

Power Rating 1.1kW / 1.5 HP
Mains Voltage U(in) 380-480V +/- 10% 50/60Hz
Phase 3 phase
Enclosure Class IP20
RFI Filter EN 55011 Class A1
Fieldbus Option Profibus DP 12 MBaud
Display Built In Display (SLCP)
Height [mm] 200
Width w/ no C options [mm] 75
Depth [mm] 168
Net weight 2.5 Kilogram
EAN 5702427085152
Application Option No application option
Coating Without coating
Dedicated Application Process
Enclosure Type Bookstyle
Frame Size A-Frame
Gross weight 2.8 Kilogram
Hardware Configuration Standard with brake
Modelcode01 VLT2811PT4B20SBR1DBF12A00C0
Product Group VLT®
Typecode Part 1 VLT2811PT4B20SBR1DBF12A00C0
VLT Series 2800

Frequently Asked Questions

What supply does Danfoss 178B4131 require?
It is specified for 380-480V +/- 10% 50/60Hz. Match this to your incoming mains.
What is the rated power for 178B4131?
The listed power rating is 1.1kW / 1.5 HP. Confirm sizing against your motor and duty cycle.
What enclosure class is it?
It is listed as IP20 and is intended for installation in a suitable cabinet/enclosure as required.
Does it include an EMC/RFI filter?
The configuration is shown as EN 55011 Class A1. Choose a filtered variant or external filtering if your site requires it.
Where is 178B4131 typically installed?
In control panels or cabinets. Follow Danfoss installation guidance for clearances, earthing, and protective devices.
What does IP20 mean for 178B4131?
IP20 indicates protection against finger contact and solid objects over 12.5 mm. Install in a suitable enclosure to meet your site requirements.