Small size allows them to be installed in direct contact with the stator winding.
Low thermal inertia gives rapid and accurate response to winding temperature changes.
Measures temperature directly irrespective of how these temperatures are initiated.
Detect overload conditions in motors driven by frequency converters.
|Nominal response temperature:||80° C to 180° C in steps of 10°, plus 145° and 155°|
|Max. allowable operating temp.||T max. 200° C|
|Max. allowable operating voltage at +25° C||Umax 25V (per bead)|
|Max. allowable power dissipation at +25° C||690 mW|
|Insulation strength (between leads and outer insulation) also for threaded sensor||2.5 kV|
|Conductors – silvered copper wire|
with teflon insulation
|Insulation stripping||approx 10 mm|
|Conductor cross-section||0.25 mm 2 for single, double and triple PTC’s|
|Response Temp.||Color Code|