User guide

9-17
Safety thermostats
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Accessories
Sealing pipe thermostat with well.
For safety temperature control, and in addition high temperature shut-off functionality.
Accessories
Mounting place in pipe
Immersion well material red brass, nickel plated
Immersion well thread R1/2"
Max. perm. temp. at
sensor
175
o
C
Additional description Safety control switching differential approx. 4% of setpoint value.
Shut-off temperature: 20..150
o
C adjustable.
Type
STW+TR
Steel well R1/2" x 150 mm
T5NST
Safety limiting thermostat, with shut-off (STBTW)
Protection class IP54
Housing material Aluminium diecasting with plastic cover
Ambient temperature 0 ... 80
o
C
Switch function/capacity safety control switch SPDT 230 Vac, 10 A; shut-off temperature
switch SPST 230 Vac, 10 A
Mechanical lock/reset shut-off mechanical lock, with hand reset on outside of
thermostat
Immersion depth 150 mm
Certificates TUEV-approval TW / STB 90 401
Thermostat application immersion tube therm. + monitor
Thermostat functions temp. setting inside, reset outside
Temp. setpoint range 30 ... 110
o
C
Mounting place in pipe
Immersion well material red brass, nickel plated
Immersion well thread R1/2"
Max. perm. temp. at
sensor
130
o
C
Additional description Safety control switching differential approx. 3..4% of setpoint
value. Shut-off temperature: 30..110
o
C adjustable.
Type
STB+TW
Steel well R1/2" x 150 mm
T5NST