Data Sheet for Product

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Siemens Thermal reset limit thermostat RAK-TW CE1N1203en
Building Technologies 2018-03-23
Function
When the adjusted limit temperature is
reached on falling temperature (frost
protection function), contact
connection 1-3 changes over to
contact connection 1-2. When the
temperature of the medium rises by
the value of the switching differential,
the frost protection thermostat reverts
to contact connection 1-3.
If the probe has cooled down to a temperature below approx. -20°C, the control
current circuit opens, however, automatically closes again, when the temperature rises
Type summary
Product No. Stock number
Degree of
protection
Temperature
setting range
Capillary
tube length
Scope of delivery
RAK-TW.5000HS S55700-P120 IP65 5...65 °C 1600 mm
Clamping band for max.
pipe dia. 100 mm, cable
gland M16x1.5 mm,
mounting instructions
RAK-TW.5000S-H S55700-P121 IP43 5…65 °C 1600 mm
RAK-TW.5010S-H S55700-P122 IP43 -10…50 °C 1600 mm
The pockets must be ordered as a separate item.
(refer to Data Sheets N1193 and N1194).
When ordering, please give type reference according to “Type summary“ (standard
set).
If the accessories required are not those included in the standard set, they can be
ordered separately according to the type references given in Data Sheets N1193 and
N1194.
Mechanical design
• The base of the thermostat is made of PC (reinforced) and is designed for pipe,
pocket or wall mounting; the electromechanical frost protection thermostat uses a
capillary type sensing element.
• The cover is made of PC and has a viewing window.
• The cable gland is M16x1.5 mm.
• The PC plastic is especially designed to be flame resistant, UV protected and
flexible against high temperatures and tough against chemical and biological
impacts.
Chang
eover switch
(S.P.D.T.)
Accessories
Ordering
Housing