Hornisse – electric heating cable 5.5 mm, length 120 m
Code: HO HCABLE/15-1800Product detailed description
Hornisse HO HCable/15-1800 is a floor heating cable with a length of 120 m and a power of 1800 W at 230 V. It is laid under a layer of concrete or anhydrite screed, remaining completely hidden, and can be used with various floor coverings above it – tiles, panels, and carpets. The cable with a diameter of 4.8 – 5.6 mm delivers 15 W/m, resulting in smooth and energy-efficient heating.
Within the HO HCable/15 range, the 120 m version follows the 100 m variant and precedes the 140 m variant. If you plan to heat a larger area than the shorter versions allow, consider exactly this length; materials and construction are identical throughout the entire range.
Main Features
- Linear power 15 W/m: corresponds to efficient and economical floor heating.
- Good thermal storage: the screed acts as a heat storage, so the floor remains warm for a long time even after the heating is turned off.
- Stable operation: installation under the screed ensures even temperature distribution and long-lasting heating.
- No cold spots: even heat across the entire floor and a pleasant feeling underfoot.
- Durability: the screed layer protects the cable from damage.
- Clean interior: no visible elements, so the room design remains untouched.
- Long service life: reliable system with low operating costs and minimal maintenance.
Technical Data
| Manufacturer | Hornisse |
| Designation (index) | HO HCable/15-1800 |
| Cable length | 120 m |
| Cable power | 1800 W |
| Linear power | 15 W/m |
| Voltage | 230 V |
| Current | 7.8 A |
| Resistance | 29.4 Ω |
| Weight | 3.8 kg |
| Cable diameter | 4.8 – 5.6 mm |
| Construction | two-core |
| Core insulation | LSZH – low smoke, halogen-free |
| Outer insulation | XLPE and PVC |
| Supply cable | two-core with grounding braid, length 2.5 m |
| Maximum wire temperature | 45 °C |
| Minimum installation temperature | 5 °C |
| Maximum bending radius | 50 mm |
Application
The system is suitable for single-family homes, apartments, and commercial spaces – in bathrooms, kitchens, living rooms, and other rooms where you want to have a heated floor. The manufacturer recommends it for auxiliary and main heating in well-insulated rooms; it can be used in new constructions as well as during renovations.
How to choose the cable length
The cable length determines its total power and current draw. Shorter variants in the range heat smaller areas, while the 120 m cable is among the longer ones and is suitable for heating larger floor areas. When selecting, compare the cable length with the room area and the amount of heat the floor needs to deliver. The heating cable is not intended for cutting, so it is advisable to choose the exact variant at the time of purchase. Current and resistance data can be found in the table above.
Installation and Operation
- Connection is performed by a qualified electrician in accordance with current regulations.
- Do not bend, cross, or overlap the cable during installation.
- Observe a bending radius of 50 mm and a minimum installation temperature of 5 °C.
- Compare the cable resistance with the value of 29.4 Ω before and after pouring the screed.
Frequently Asked Questions
What current draw and resistance does the 120 m cable have?
At a power of 1800 W and a voltage of 230 V, the cable draws 7.8 A and has a resistance of 29.4 Ω.
What is the length of the supply cable?
The supply cable is two-core with a grounding braid and has a length of 2.5 m.
What is the cable insulation made of?
The core insulation is of the LSZH type with low smoke emission and is halogen-free, while the outer insulation is made of XLPE and PVC.
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