Hornisse – electric heating cable 5.5 mm, length 140 m
Code: HO HCABLE/15-2100Product detailed description
The Hornisse HO HCable/15-2100 cable is one of the longer variants of underfloor heating designed for installation under screed. At a length of 140 m, it delivers a power of 2100 W, draws 9.1 A at 230 V, and has a resistance of 25.2 Ω. Its power per meter of 15 W/m places it among cost-effective solutions that heat the floor evenly without visible elements in the interior.
The previous model in the range has a length of 120 m, and the longest variant offered by the manufacturer has a length of 155 m. The differences between them are in length, power, current, resistance, and weight; diameter, construction, and insulation materials are the same.
Main Features
- Installation under screed: the cable lies under a layer of concrete or anhydrite, which evenly surrounds and protects it.
- Long-lasting heat: the screed stores heat, so the floor cools slowly even after the heating is turned off.
- Energy-efficient power: 15 W/m is suitable for energy-saving heating without unnecessary costs.
- Thermal comfort: an evenly heated floor provides a pleasant feeling underfoot and balanced room temperature.
- Durability: thanks to the protection provided by the screed, the cable is exposed to a lower risk of mechanical damage.
- Universal floor covering: works with tiles, panels, and carpets.
- Low maintenance: the system requires minimal maintenance and has a long service life.
Technical Data
| Manufacturer | Hornisse |
| Designation (index) | HO HCable/15-2100 |
| Cable length | 140 m |
| Cable power | 2100 W |
| Power per meter | 15 W/m |
| Voltage | 230 V |
| Current | 9.1 A |
| Resistance | 25.2 Ω |
| Weight | 4.5 kg |
| Cable diameter | 4.8 – 5.6 mm |
| Construction | two-core |
| Core insulation | LSZH – low smoke emission, 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 cable is suitable for single-family homes, apartments, and commercial spaces. It performs well in bathrooms, kitchens, and living rooms. It is especially recommended for auxiliary or main heating in well-insulated rooms, where its ability to store heat in the screed can be utilized.
Note on Planning
With longer variants, the total power and current consumption increase, so when planning the electrical circuit, consider the values from the table: power 2100 W, current 9.1 A, and voltage 230 V. The cable is usually connected via a thermostat that regulates the floor or room temperature, ensuring heat is supplied only when needed. Proper circuit dimensioning and regulation settings should be left to a professional.
Installation and Operation
Entrust the work to a qualified electrician who will connect the cable according to current regulations. When laying the cable, ensure it does not cross or overlap and is not bent below a radius of 50 mm. The temperature during installation must not drop below 5 °C. Check the resistance of 25.2 Ω provided by the manufacturer before and after pouring the screed to detect any possible cable damage.
Frequently Asked Questions
What power does the 140 m cable have and how much current does it draw?
Its power is 2100 W and it draws 9.1 A at 230 V.
Will the floor retain heat after the heating is turned off?
Yes, the screed acts as a thermal storage element, so the floor remains warm for a long time after the cable is disconnected from the power supply.
What is the maximum wire temperature?
The maximum wire temperature is 45 °C.
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