18 | nVent.com/RAYCHEM
3. TECHNICAL SPECIFICATION
Purpose of control: Electronic thermostat for
electric floor heating
Method of mounting: Flush mounting
Supply voltage: 230VAC +/- 10%, 50Hz
Main power switch: 2-pole
Relay output: 230V, max� 13A
Protection class: IP21 (IP44 with accessory
1244-017779)
Terminals: 2,5 mm² screw cage clamp
Terminal wire size: 2,5 mm
2
Floor sensor with 3m cable: 12k @ 25°C +/- 0,75°C
(no:38165)
Maximum length of floor
sensor cable:
100 m, 2 x 1,5 mm²
(230VAC cable)
Control modes: Floor sensor (active when
floor sensor installed)
Room sensor with floor
limiter (active when floor
sensor installed)
Room sensor (active when
no floor sensor installed)
No sensor % regulator
with cycles of 20 minutes
(active when no floor sensor
installed)
Temperature regulation
method:
PWM (pulse width
modulation) with PI control
loop
Type of action: Type 1�B�
Control pollution degree: 2
Software class: A
Overvoltage category: III
Rated impulse voltage: 4kV
Ball pressure temperature: 125°C
SELV limits realized: 24V