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135X3313 Danfoss VLT HVAC Drive 18.5KW/25HP 525-600VAC IP66

MPN: 135X3313

Alt. SKU: FC-102P18KT6E66HXXGXXXXSXXXXAXBXCXXXXDX

Special Price £2,558.88 £2,132.40 Regular Price £4,264.80

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Why Choose the Danfoss 135X3313 VLT HVAC Drive?

The Danfoss 135X3313 is a durable and efficient variable speed drive (VSD) from the Danfoss VLT® HVAC Drive FC 102 series, designed specifically for heating, ventilation, air conditioning and refrigeration applications. Built for commercial and industrial HVAC systems, this drive provides accurate motor speed control for pumps, fans, compressors and air handling equipment.

The FC 102 HVAC Drive series is engineered to optimise HVAC performance, reduce energy consumption and improve motor control across modern building automation systems. Its dedicated HVAC functionality, robust Danfoss drive technology and user-friendly commissioning features make it a reliable choice for plant rooms, facilities management and system integration projects.

With a rated output power of 18.5 kW / 25 HP and a three-phase 525-600 V AC supply, the Danfoss 135X3313 is suitable for higher-voltage HVAC motor control applications. Its IP66 / NEMA 4X enclosure, graphical local control panel and standard software configuration make it well suited for demanding environments where reliable protection and precise motor control are required.

Key Advantages

  • Dedicated HVAC variable speed drive for building services and automation systems.
  • 18.5 kW / 25 HP power rating for pumps, fans and compressors.
  • Three-phase 525-600 V AC input for higher-voltage HVAC installations.
  • IP66 / NEMA 4X enclosure for demanding environmental conditions.
  • Graphical local control panel supports straightforward commissioning and monitoring.
  • No RFI filter configuration for installations where external filtering is specified separately.
  • Built-in HVAC intelligence helps reduce energy use and operating costs.

Key Features

  • Danfoss VLT® HVAC Drive FC 102 series.
  • 18.5 kW / 25 HP rated output power.
  • Three-phase 525-600 V AC mains supply.
  • IP66 / NEMA 4X enclosure rating.
  • No RFI filter configuration.
  • No brake chopper configuration.
  • Graphical local control panel for easy commissioning.
  • Not coated PCB configuration.
  • Standard cable entries.
  • Latest release standard software.
  • Frame size B1.

Technical Specifications

  • Manufacturer: Danfoss
  • Series: VLT® HVAC Drive FC 102
  • Part Number: 135X3313
  • Model Code: FC-102P18KT6E66HXXGXXXXSXXXXAXBXCXXXXDX
  • Product type: Variable speed drive / frequency converter
  • Rated output power: 18.5 kW
  • Horsepower rating: 25 HP
  • Input voltage: 525-600 V AC
  • Input phases: Three-phase
  • Frequency: 50 / 60 Hz
  • Protection rating: IP66 / NEMA 4X
  • RFI filter: No RFI filter
  • Brake chopper: No brake chopper
  • Control panel: Graphical Local Control Panel
  • PCB type: Not coated PCB
  • Mains option: No mains option
  • A option: No A option
  • B option: No B option
  • C1 option: No C1 option
  • D option: No D option
  • Frame size: B1

Efficient Motor Control for HVAC Systems

Variable speed drives such as the Danfoss 135X3313 regulate motor speed by adjusting the frequency and voltage supplied to the motor. This allows HVAC equipment to operate according to real system demand rather than running continuously at full speed, helping to reduce energy consumption, noise and mechanical wear.

The VLT® HVAC Drive FC 102 series is developed for ventilation, heating, cooling and refrigeration applications. Its dedicated HVAC control functions make it well suited for fans, pumps, compressors, air handling units and building management systems where efficiency and reliable operation are essential.

Typical Applications

  • HVAC systems and building automation.
  • Air handling units and ventilation systems.
  • Supply and extract fans.
  • Heating and chilled water pumps.
  • Cooling towers and refrigeration equipment.
  • Compressors and process cooling systems.
  • Commercial buildings, industrial facilities and demanding plant room environments.

Frequently Asked Questions

What is the Danfoss 135X3313 used for?

The Danfoss 135X3313 is used to control three-phase motors in HVAC applications, including pumps, fans, compressors and ventilation systems.

What motor power does this drive support?

This drive is rated for 18.5 kW / 25 HP motor control applications.

What supply voltage does the Danfoss 135X3313 require?

The drive operates from a three-phase 525-600 V AC supply.

What enclosure rating does this drive have?

The Danfoss 135X3313 has an IP66 / NEMA 4X enclosure rating, making it suitable for demanding environments where increased protection is required.

Is the Danfoss 135X3313 suitable for pumps and fans?

Yes, the VLT® HVAC Drive FC 102 series is specifically designed for HVAC equipment including pumps, fans, compressors and air handling systems.

Trusted for HVAC and Building Services Control

Danfoss VLT® HVAC Drives are widely used by building services engineers, facilities teams and system integrators to deliver reliable motor control, energy efficiency and long-term performance in commercial and industrial HVAC systems.
More Information
Manufacturer Part Number 135X3313
Barcode 5710108396077
Height 480mm
Width 242mm
Depth 260mm
Filter No Filter
Input Phases Three Phase
Degree of protection (IP) IP66
KW Rating 18.5kW
Output Phases Three phase
VSD Range Danfoss VLT FC102
Manufacturer Danfoss
Alternative Product SKU FC-102P18KT6E66HXXGXXXXSXXXXAXBXCXXXXDX
Write Your Own Review
You're reviewing:135X3313 Danfoss VLT HVAC Drive 18.5KW/25HP 525-600VAC IP66

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.