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134U7911 Danfoss VLT HVAC Drive 30KW/40HP 380-480VAC IP20

MPN: 134U7911

Alt. SKU: FC-102P30KT4E20H3TGCXXXSXXXXANBKCXXXXDX

Special Price £3,116.88 £2,597.40 Regular Price £5,194.80

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Why Choose the Danfoss 134U7911 VLT HVAC Drive?

The Danfoss 134U7911 is a high-performance AC variable speed drive (VSD) from the trusted Danfoss VLT® HVAC Drive FC 102 series, specifically engineered for heating, ventilation, air conditioning and refrigeration applications. Designed to deliver precise motor control and energy-efficient operation, it is widely used in commercial buildings, industrial facilities and critical HVAC systems.

Built with advanced HVAC-specific functionality, the FC 102 drive helps optimise system performance while reducing energy consumption and operating costs. Integrated application features simplify commissioning and maintenance, while robust protection and communication capabilities support reliable long-term operation in demanding environments.

With a rated output power of 30 kW (40 HP) and a three-phase 380-480 V AC supply, the Danfoss 134U7911 is ideally suited for controlling pumps, fans, compressors and air handling equipment. Its compact IP20 chassis design allows straightforward installation within electrical control panels and plant rooms.

Key Advantages

  • Dedicated HVAC variable speed drive for pumps, fans and compressors.
  • 30 kW / 40 HP power rating suitable for demanding HVAC applications.
  • Three-phase 380-480 V AC input for commercial and industrial installations.
  • Integrated Safe Torque Off (STO) functionality.
  • Built-in EtherNet/IP communication capability.
  • Energy-saving operation that helps reduce running costs.
  • Designed specifically for HVAC control and optimisation.

Key Features

  • Danfoss VLT® HVAC Drive FC 102 series.
  • 30 kW (40 HP) rated output power.
  • 52 A nominal current.
  • 380-480 V AC three-phase supply.
  • Integrated Safe Torque Off (STO) safety function.
  • EtherNet/IP MCA 121 communication option fitted.
  • MCB-101 general purpose I/O module.
  • RFI Class A1/B (C1) EMC filtering.
  • Graphical local control panel.
  • Coated PCB for improved environmental protection.
  • Compact IP20 chassis enclosure.

Technical Specifications

  • Manufacturer: Danfoss
  • Series: VLT® HVAC Drive FC 102
  • Model: 134U7911
  • Alternative model code: FC-102P30KT4E20H3TGCXXXSXXXXANBKCXXXXDX
  • Product type: Variable speed drive / frequency converter
  • Rated output power: 30 kW (40 HP)
  • Rated current: 52 A
  • Input voltage: 380-480 V AC
  • Input phases: Three-phase
  • Frequency: 50 / 60 Hz
  • Protection rating: IP20
  • EMC/RFI filter: Class A1/B (C1)
  • Safety function: Safe Torque Off (STO)
  • Communication: EtherNet/IP MCA 121
  • I/O module: MCB-101 General Purpose I/O
  • Frame size: B4
  • Dimensions (H × W × D): approx. 520 × 230 × 242 mm
  • Weight: approx. 24 kg gross
  • Mounting type: Panel / cabinet mounting

Optimised HVAC Motor Control

The Danfoss FC 102 HVAC drive is purpose-built for modern building services systems. By continuously adjusting motor speed to match demand, it significantly reduces energy consumption while improving process stability and equipment lifespan.

Advanced HVAC functionality includes dedicated control algorithms, integrated safety features, network communications and energy monitoring tools. These capabilities make the 134U7911 an ideal choice for facilities managers, building automation specialists and HVAC engineers seeking reliable long-term performance.

Typical Applications

  • Air handling units (AHUs).
  • HVAC ventilation systems.
  • Chilled water and condenser pumps.
  • Cooling towers.
  • Compressors and refrigeration systems.
  • Commercial building management systems.
  • Industrial ventilation and extraction equipment.
  • Energy-efficient retrofit projects.

Frequently Asked Questions

What is the Danfoss 134U7911 used for?

The drive is designed for HVAC applications including pumps, fans, compressors and air handling systems where efficient motor speed control is required.

What motor size can this drive control?

The 134U7911 is rated for motors up to 30 kW (40 HP) under normal operating conditions.

What supply voltage is required?

The drive operates from a three-phase 380-480 V AC supply.

Does the drive include network communication?

Yes. This configuration includes an EtherNet/IP MCA 121 communication module for integration into automation and building management systems.

What safety features are included?

The drive incorporates an integrated Safe Torque Off (STO) function for enhanced operational safety.

Trusted by HVAC Professionals Worldwide

Danfoss VLT® HVAC drives are widely used throughout commercial buildings and industrial facilities to provide energy-efficient motor control, dependable operation and seamless integration with modern building automation systems.
More Information
Manufacturer Part Number 134U7911
Barcode 5710108039547
Height 520mm
Width 230mm
Depth 242mm
Filter Filter Included
Input Phases Three Phase
Degree of protection (IP) IP20
KW Rating 30kW
Output Phases Three phase
VSD Range Danfoss VLT FC102
Manufacturer Danfoss
Alternative Product SKU FC-102P30KT4E20H3TGCXXXSXXXXANBKCXXXXDX
Write Your Own Review
You're reviewing:134U7911 Danfoss VLT HVAC Drive 30KW/40HP 380-480VAC IP20

The VLT HVAC drive has built-in intelligence to give optimal process control to heating, ventilation and air conditioning (HVAC). It is simple to use and extremely cost-efficient, featuring a number of functions that are ideal for use with pumps, fans and compressors to save energy, meet environmental regulations and reduce costs in modern buildings.

The VLT HVAC drive has a compact, robust design and is ideally suited to locations where space is restricted. A selection of safety features, such as Safe Torque Off and Safe Maximum Speed, protect both applications and their operators.

Enclosures can be purchased separately, up to IP66, and an additional option available upon purchase is a unique coating to provide added protection for the circuit boards. Integrated DC chokes and RFI filters safeguard installations by minimizing harmonic distortion and electromagnetic.

Supply voltages and power range

3 x 200-240 V...1.1-45 kW

3 x 380-480 V...1.1 kW – 1 MW

3 x 525-600 V...1.1-90 kW

3 x 525-690 V...45 kW – 1.4 MW

Low harmonic drive

3 x 380-480 V...132-710 kW

12-pulse drive

3 x 380-480 V...250-200kW

Features and benefits

  • There’s no need for external cooling or oversizing as the maximum ambient temperature is 50°C without derating
  • PLC capacity is often unnecessary thanks to the Smart Logic Controller 
  • A low initial investment and easy upgrades are possible thanks to the modular concept with a wide range of options
  • The need for external control and conversion equipment is avoided due to integrated pump, fan and compressor functionality
  • 5–15% energy is saved as a result of the Automatic Energy Optimization function
  • Less gateway solutions are needed thanks to a wide range of HVAC protocols for building management system controller connectivity

 

Applications

Pumps, fans, compressors.

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For further information on this product please get in touch with our team or visit the Danfoss website.