Self-limiting cables

Self-limiting heating cables are designed with a temperature-dependent resistant element between two parallel copper bus wires. When the bus wires are connected to the mains, a current goes through the temperature-dependent resistant element which will then heat. As the element is heated, the resistance value rises causing the current to decline and heating is reduced. This explains the self-limiting effect.

DEVIiceguard™

The DEVIiceguard™ is ready-made self-limiting parallel heating cable that is used for melting ice and snow on roofs, gutters, and downpipes (UV-resistant). The heating cable is flexible and easy to install as it can be cut to length at site and installed directly on to the roof and gutter system.

Applications:
Roofs, gutters, downpipes, drain lines

DEVIiceguard™

DEVIpipeguard™

The DEVIpipeguard™ is a self-limiting heating cable that is mainly used for frost protection of pipes. The cable will maintain its functionality even when shortened. The outer sheath is highly resistant to harsh environmental conditions and corrosion and it also serves as a protection against mechanical influences. The cables are not approved for use in drinking water.

Applications:
Pipe frost protection
Tank frost protection
Sprinkler systems

DEVIpipeguard™

DEVIpipeheat™ V2

The DEVIpipeheat™ V2 is a self-limiting heating cable that is mainly used for frost protection of pipes. The self-limiting capability of the cable ensures that the output of the cable increases or decreases according to ambient temperature. The heating cables can be installed outside water pipes.

Applications:
Pipe frost protection

DEVIpipeheat™ V2

DEVIpipeheat™ V3

The DEVIpipeheat™ V3 is a self-limiting heating cable approved for drinking water use and inside pipe installation in certificed countries. The self-limiting capability of the cable ensures that the output increases or decreases according to ambient temperature.

Applications:
• Pipe frost protection

DEVIpipeheat™ V3

DEVIpipeguard™ LSZH

The DEVIpipeguard™ LSZH is a halogen-free self-limiting heating cable with improved quality and enhanced technical characteristics. It is covered by a product warranty of 10 years.

Applications:
• Pipe frost protection
• Tank frost protection
• Sprinkler systems during winter

DEVIpipeguard™ LSZH

Features and benefits using outdoor self-limiting cables

Easy to install

Cut to length on site

Readymade lengths

Ensure ideal temperature range to the heated surface

No risks of overheating or burnout

Low energy consumption

Self heat output regulation

Warranty

At Danfoss, it is important for us to deliver high-quality products with long-lasting effects. Should you, against all expectations, experience a problem with your product, Danfoss offers a warranty for electric heating products valid from the date of purchase that was no later than 2 years from production date.

Depending on the product, the product guarantee is valid for two years, five years, or twenty years.

Product warranty covers costs for:

product replacement with a new comparable product or repair of the product
transportation costs

Warranty terms

Documents

Documents
Type	Name	Language	Valid for	Updated	Download	File type
Catalog	DEVI Product Catalogue	Norwegian Bokmål	Norway	06 Aug, 2025	26.4 MB	.pdf
Catalog	DEVI Product Catalogue	Italian	Italy	28 Jul, 2025	29.2 MB	.pdf
Catalog	DEVI Product Catalogue	Dutch, Flemish	Netherlands	14 Aug, 2025	28.5 MB	.pdf
Catalog	DEVI Product Catalogue	Finnish	Finland	04 Mar, 2022	10.4 MB	.pdf
Catalog	DEVI Product Catalogue	Finnish	Finland	24 Jun, 2025	13.8 MB	.pdf
Catalog	DEVI Product Catalogue	Spanish, Castilian	Spain	04 Aug, 2025	29.2 MB	.pdf
Catalog	DEVI Product Catalogue	English	Multiple	09 Apr, 2025	29.5 MB	.pdf
Catalog	DEVI Product Catalogue	German	Austria	20 Jan, 2025	6.0 MB	.pdf
Catalog	DEVI Product Catalogue	Finnish	Finland	25 Jan, 2023	30.6 MB	.pdf
Catalog	DEVI Product Catalogue	Ukrainian	Ukraine	16 Jan, 2025	13.0 MB	.pdf
Data sheet	DEVIiceguard	Romanian, Moldavian, Moldovan	Romania	16 Feb, 2016	240.4 KB	.pdf
Data sheet	DEVIiceguard	Czech	Czech Republic	30 Oct, 2015	243.3 KB	.pdf
Data sheet	DEVIiceguard	English	Multiple	26 Mar, 2025	205.0 KB	.pdf
Data sheet	DEVIiceguard 18 (B)	German	Multiple	18 Mar, 2021	584.4 KB	.pdf
Data sheet	DEVIiceguard 18 (B)	French	France	03 Oct, 2024	238.6 KB	.pdf
Data sheet	DEVIpipeguard™ 10 LSZH (T), 25 LSZH (T), 33 LSZH (T)	Norwegian Bokmål	Norway	17 Mar, 2025	333.6 KB	.pdf
Data sheet	DEVIpipeguard™ 10 LSZH (T), 25 LSZH (T), 33 LSZH (T)	Czech	Czech Republic	21 Jul, 2021	883.9 KB	.pdf
Data sheet	DEVIpipeguard™ 10 LSZH (T), 25 LSZH (T), 33 LSZH (T)	English	Multiple	27 Mar, 2025	300.6 KB	.pdf
Data sheet	DEVIpipeguard™ 10 LSZH (T), 25 LSZH (T), 33 LSZH (T)	French	France	03 Oct, 2024	297.7 KB	.pdf
Data sheet	DEVIpipeguard™ 10 LSZH (T), 25 LSZH (T), 33 LSZH (T)	Danish	Denmark	12 Jul, 2023	646.2 KB	.pdf
Data sheet	DEVIpipeheat™ 10 (DPH-10) (B)	English	Multiple	27 Mar, 2025	182.1 KB	.pdf
Data sheet	DEVIpipeheat™ 10 (DPH-10) (B)	Czech	Czech Republic	02 Nov, 2021	706.5 KB	.pdf
Data sheet	DEVIpipeheat™ 10 (DPH-10) (B)	French	France	03 Oct, 2024	179.9 KB	.pdf
Data sheet	DEVIpipeheat™ 10 V3	Norwegian Bokmål	Norway	15 Feb, 2022	292.7 KB	.pdf
Data sheet	DEVIpipeheat™ 10 V3	French	France	03 Oct, 2024	278.8 KB	.pdf
Data sheet	DEVIpipeheat™ 10 V3	Danish	Denmark	19 Oct, 2022	414.8 KB	.pdf
Data sheet	DEVIpipeheat™ 10 V3	English	Multiple	27 Mar, 2025	280.8 KB	.pdf
Data sheet	DEVIpipeheat™ 10 V3	Finnish	Finland	27 Jun, 2022	592.9 KB	.pdf
Data sheet	DEVIpipeheat™ 10 V3	Latvian	Latvia	13 Jul, 2022	450.0 KB	.pdf

Videos

Electric heating videos on YouTube

You can see all our videos about electric heating on a dedicated playlist on YouTube. Follow the link below.

Go to the electric heating playlist on YouTube

Tools and apps

EH Plugin for AutoCAD

The Plugin supports your engineering and design journey by making your work faster due to simple functionalities in calculating all lengths, dimensions and product data of cables and mats. It covers all applications within Electric Heating projects: Electric floor heating, Ice & Snow melting systems, Pipe tracing, Cold stores, Sport fields, Vineyards etc.
By utilising Plugin, you will reduce design time for the project, provide all necessary information for installers in HTML/PDF format: BoM, resistance value check list, warranty list format. It means all project information can be consolidated in one file.

Plugin can be used with AutoCAD 2017-2023.

EH technical request forms

In order to clarify the project data for different applications use the technical request forms you find on this page

Case studies

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Electric heating systems for the conservation of old castles

The Örebro Castle is a medieval castle fortification situated in the scenic region of Närke, Sweden. The castle lies on an island by the river Svartån. The oldest part of the castle, a defence tower, was erected in the latter half of the 13th century, but its present appearance, the Örebro Castle, was constructed over the last century. Since 1935, the castle has been a national Swedish monument.
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The Bjørvika Tunnel, Oslo, Norway

Electric heating for an immersed tunnel in Norway.

The Bjørvika Tunnel is a motorway immersed oan European Route E18 in the city center of Oslo. The tunnel links Festning tunnel in Oslo west with Ekeberg tunnel in Oslo east. The completed tunnel has an unbroken length of 3.7 miles.

Related applications

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Fire fighting

Danfoss offers high-pressure pumps and valves for fire fighting, fire suppression and fire protection, designed for more efficient fire extinguishing.
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Fire fighting systems for energy generating facilities

Danfoss high-pressure water mist for fire fighting is the optimal solution for energy generating facilities, such as power plants, wind turbines and biomass plants, to name just a few. High-pressure water mist technology is reliable and will activate fast in the event of a fire.
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Fire fighting systems for industrial buildings

The Danfoss high-pressure water mist system for fire fighting is suitable for areas where disruption of the manufacturing process must be reduced to a minimum in the event of a fire, and where there is sensitive equipment installed.
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Fire fighting systems for marine and offshore

Complete fire fighting systems for marine and offshore provide optimum fire safety on board ships for passengers and crew, while protecting the assets and keeping downtime to a minimum.
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Fire safety systems for automotive manufacturing

The Danfoss SEM-SAFE high-pressure water mist system for fire fighting offers increased protection for people and is the optimal fire fighting solution for highly sensitive equipment installed in a car factory.
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Frost and snow protection

Danfoss systems are used in all frost protection applications in car parks, garages, stairs, pavements and other ground-level surfaces, which can be secured against the negative effects of winter. Danfoss frost protection systems include all the necessary products such as cables or heating mats, specialised controllers and mounting accessories.