Drive units Sensors in coil ends of
stator windings
Additional sensors, incorporated in the stator
windings:
Always (standard) Additional option
1.2–6.6 kV
PTC-thermistors (3+3)
3 sensors are connected in
series, and 3 are built-in
reserves.
Pt100 analogue temperature
sensors in all 3 stator
windings (3+3)
Each winding has 1 sensor
connected, and 1 built-in
reserve.
Technical Reference
112 C3300/6x5, C/R3231, C3240, C3306, C3312, C3351, C3356, C3400, C3501, C3531, C3602, C3800 Installation,
Operation and Maintenance Manual