This heating cable is designed for outdoor use in areas that require frost and snow prevention, such as parking garage entrances and exits, helicopter landing sites, and concrete ramps and stairs. It is highly robust and flexible, allowing for easy installation in sand or cement. The cable's protective braiding and grouted outer jacket provide radial and longitudinal waterproofing under harsh conditions. Its self-regulating element maintains a consistent temperature output regardless of ambient conditions.

1. Advantages:
Highly robust
Suited for hardest installing conditions
Flexible mounting
Radially and longitudinally waterproof,
outer jacket is strongly grouted with
protective braid
Applications:
Parking garages entrances and exits
Helicopter landing sites
Concrete ramps
Stairs and footpaths
This heating cable is designed for easy and safe installation of open-space heaters. Accidents due to
frost and snow are prevented all over the heated space. To ensure a high mechanical load capacity in
open space, the eltherm engineers developed this heating cable especially robust. Suited for instal-
lation in sand/cement mixtures.
for open space and ramp heating
Concreteandrampheatingcable
Type ELSR-Ramp
self-regulating heating cable 2.19
Tel: +44 (0)191 490 1547
Fax: +44 (0)191 477 5371
Email: northernsales@thorneandderrick.co.uk
Website: www.heattracing.co.uk
www.thorneanderrick.co.uk

2. 05/2012–Allrightsreserved.Subjecttochangewithoutnotice.
Technical information
Data
Type ELSR-Ramp
Protective braid
Cu, tin plated
Self-regulating
heating element
Bus wire
Outer jacket
(presure-grouted
with outer jacket)
Insulation
Outer jacket TPE
Bus wire nickel plated copper
Maximum exposure temp. (power off) 100 °C
Maximum exposure temp. (power on) 80 ° C
Nominal voltage 230 V
Bending radius, minimum 50 mm
Installation temperature, min. – 20 ° C
Nominal output approx. 50 W/m at 10 ° C (110 W/m in
concrete @ 5° C)
Dimensions approx. 17,2 mm x 9,5 mm
Weight approx. (g/m) 253
Switch-
on
tempe-
rature
Nominal cu-
tout value
(A)
Heating circuit length (m) for
ELSR-RAMP
-10
10 18
16 28
20 36
25 45
32 55
Heating circuit lengths ELSR-Ramp on the following conditions:
230 V nominal voltage
Delayed action circuit breakers (C-characteristic) with 80 % maximum load
Maximum 10 % line voltage drop on the heating cable bus wire
One (1) single end power input heating cable
Electrical protection
Maximum heating circuit length
According to local standards and regulations.
Take into account the conductor size and max. permitted voltage drop.
A higher voltage drop can occur at start-up of heating.
Power at start-up
To determine the installed power with the electrical system designer, the nominal current of the series connected fuse or the current value at the
system start-up temperature must be taken into account (e.g. 32 A for 55 m ELSR-Ramp (–10°C).
Residual current device (RCD) 30 mA required, max. 500 m heating cable per RCD.
Remark
For the use of standard control cabinets, the maximum heating circuit length of 55 m at 32 A per heating circuit must not be exceeded.
* Heating circuit lengths may vary in specific installation situations. Please
contact our engineers for more details.
Type Art. No.
ELSR-Ramp B02RAMP0