Siemens SIRIUS M200D - Thermistor Motor Protection

Technical data
8.6 Thermistor motor protection
M200D PROFIBUS/PROFINET
174 Manual, 08/2014, A5E01577426A/RS-AA/004
8.6
Thermistor motor protection
Temperature sensor
PTC
Thermoclick
Evaluation characteristic curve in accordance with IEC60947-8 Type A —
Summation cold resistance sensor circuit < 1.5 kΩ
No-load voltage of sensor circuit < 30 V
Short-circuit current sensor circuit < 1.2 mA
Trip level 3.4 to 3.8 kΩ
Reset level 1.5 to 1.65 kΩ
Short-circuit detection < 30 Ω No
Electrical isolation vis-à-vis Main current path
U
DC24V-NS
UV
DC24V-S
Yes (U
i
= 400 V)
Yes (U
i
= 400 V)
Yes (U
i
= 400 V)