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135N6698 Danfoss VLT HVAC Drive 3.0KW/4.0HP 380-480VAC IP55

MPN: 135N6698

Alt. SKU: FC-102P3K0T4Y55H3XGX1XXSXXXXAXB0CXXXXDX

Special Price £1,094.40 £912.00 Regular Price £1,824.00

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Why Choose the Danfoss 135N6698 VLT HVAC Drive?

The Danfoss 135N6698 is a compact and reliable AC variable speed drive (VSD) from the Danfoss VLT HVAC Drive FC 102 series, designed specifically for heating, ventilation and air conditioning applications. It delivers accurate motor speed control for pumps, fans and compressors, helping improve system efficiency while reducing energy use in commercial and industrial buildings.

As part of the FC 102 HVAC drive range, this model combines dedicated HVAC functionality with straightforward commissioning and dependable operation. It is well suited to building services applications where energy efficiency, process control and reliable motor management are essential.

With a rated output power of 3.0 kW / 4.0 HP, a three-phase 380–480 V AC supply and an IP55 / Type 12 enclosure, the 135N6698 provides a practical variable speed drive solution for protected wall-mounted HVAC installations.

Key Advantages

  • Dedicated HVAC variable speed drive for fans, pumps and compressors.
  • 3.0 kW / 4.0 HP power rating for compact building services applications.
  • Three-phase 380–480 V AC input for commercial and industrial systems.
  • IP55 / Type 12 enclosure for protected wall-mounted installations.
  • Integrated RFI Class A1/B (C1) filter for EMC performance.
  • MCB-109 I/O option with RTC back-up for enhanced control flexibility.
  • Mains disconnect included for convenient local isolation and maintenance.

Key Features

  • Danfoss VLT HVAC Drive FC 102 series.
  • 3.0 kW / 4.0 HP rated output power.
  • Three-phase 380–480 V AC input supply.
  • IP55 / Type 12 enclosure rating.
  • A4 frame size.
  • No brake chopper.
  • Integrated RFI Class A1/B (C1) filter.
  • Graphical Local Control Panel included.
  • MCB-109 I/O option with RTC back-up.
  • Not coated PCB.
  • Mains disconnect fitted.

Technical Specifications

  • Manufacturer: Danfoss
  • Series: VLT HVAC Drive FC 102
  • Part number: 135N6698
  • Model code: FC-102P3K0T4Y55H3XGX1XXSXXXXAXB0CXXXXDX
  • Product type: AC variable speed drive
  • Rated output power: 3.0 kW / 4.0 HP
  • Input voltage: 380–480 V AC
  • Input phases: Three phase
  • Output phases: Three phase
  • Protection rating: IP55 / Type 12 Backplate
  • RFI filter: Class A1/B (C1)
  • Brake chopper: No
  • A option: No A option
  • B option: MCB-109 I/O with RTC back-up
  • Control panel: Graphical Local Control Panel
  • PCB protection: Not coated PCB
  • Adaptation A: Standard cable entries
  • Additional feature: Mains disconnect
  • Frame size: A4
  • Dimensions (H × W × D): approx. 391 × 200 × 177 mm
  • Weight: approx. 8.79 kg
  • EAN: 5710108228897

Efficient Motor Control for HVAC Systems

The Danfoss VLT HVAC Drive FC 102 is engineered to match motor speed to actual system demand. By adjusting the output to pumps, fans and compressors, the drive helps reduce wasted energy, improve comfort control and minimise mechanical stress on connected HVAC equipment.

The 135N6698 is particularly suitable for installations that require a compact IP55 drive with local isolation and flexible I/O capability. Its graphical control panel supports simple commissioning, monitoring and diagnostics, making it a practical solution for building services engineers and facilities teams.

Typical Applications

  • HVAC air handling units.
  • Commercial ventilation systems.
  • Heating and chilled water pumps.
  • Fan and blower applications.
  • Small compressor systems.
  • Building management system controlled motor applications.
  • Energy-efficient commercial building services installations.

Frequently Asked Questions

What is the Danfoss 135N6698 used for?

The 135N6698 is used to control the speed of three-phase AC motors in HVAC applications, including pumps, fans, compressors and ventilation equipment.

What motor power is supported by this drive?

This drive is rated for 3.0 kW / 4.0 HP motor control applications.

What supply voltage does the drive require?

The Danfoss 135N6698 operates from a three-phase 380–480 V AC supply.

What enclosure rating does the 135N6698 have?

This model has an IP55 / Type 12 enclosure, making it suitable for protected wall-mounted HVAC installations.

Does this drive include a mains disconnect?

Yes, the 135N6698 includes a mains disconnect for convenient local isolation and maintenance access.

Trusted by HVAC and Building Services Engineers Worldwide

Danfoss VLT HVAC drives are trusted by building services engineers, facilities teams and system integrators to deliver efficient motor control, reliable HVAC operation and reduced energy usage across modern commercial and industrial installations.
More Information
Manufacturer Part Number 135N6698
Barcode 5710108228897
Height 390mm
Width 200mm
Depth 175mm
Filter Filter Included
Input Phases Three Phase
Degree of protection (IP) IP55
KW Rating 3kW
Output Phases Three phase
VSD Range Danfoss VLT FC102
Manufacturer Danfoss
Alternative Product SKU FC-102P3K0T4Y55H3XGX1XXSXXXXAXB0CXXXXDX
Write Your Own Review
You're reviewing:135N6698 Danfoss VLT HVAC Drive 3.0KW/4.0HP 380-480VAC IP55

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.