Technical Data
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240634 / 8146662300
2019-05-27·BA00·III·en·04
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Safety temperature monitor and limiter
Series 8146/5041-STW, 8146/5041-STB,
8146/5051-STW+STB
For further technical data, see r-stahl.com.
Version
STW25A
Safety temperature monitor
STB25A Safety
temperature limiter
Adjustment range
-20 to +50 °C
0 to +190 °C
0 to +120 °C
Ambient conditions
Ambient
temperature
Mechanical data
Degree of protection IP66
Material
Enclosure
Polyester resin, glass-fibre-reinforced, dark grey, similar to RAL 7024
Impact resistance
)
7 J
Surface resistance
(
10
9
Ω
Flame-resistant according to IEC/EN 60695, UL 94, ASTM D635
Seal
Silicone, foamed
Sensor
Stainless steel VA 1.4571 (AISI 316L)
Cover lock
with captive M6 stainless steel combo head screws
Mounting / Installation
Cable entry
1 x M20 x 1.5 cable gland
Clamping range
4 to 13 mm
Connection type
5 x spring clamp terminals
Connection
cross-section
0.5 to 2.5 mm
2
Capillary tube
Length
1 m
Diameter
1.5 mm
Minimum bending
radius
5 mm
Sensor
Diameter
6 mm
6 mm
6 mm
Length
81 mm
44 mm
58 mm
Sensor temperature -60 to +75 °C
-60 to +220 °C
-60 to +145 °C
Technical Data
max.
fuse
protection
Heat
resistance
of conductor
max.
ambient
temperature
T-Class
-60 to
16 A
–
+50 °C
T5 / 95 °C
16 A
)
+90 °C
+75 °C
T5 / 95 °C
25 A
–
+40 °C
T6 / 80 °C
25 A
)
+70 °C
+50 °C
T5 / 95 °C
25 A
)
+106 °C
+75 °C
T4 / 130 °C
