PTC thermistors as limit temperature sensors Motor protection, triple sensors Series/Type: B59300 Date: March 2014 EPCOS AG 2014. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS prior express consent is prohibited.Sensors Motor protection, triple sensors M1300 Applications Dimensional drawing Thermal protection of winding in electric motors Limit temperature monitoring Features Thermistor pellets with insulating encapsulation in series connection (triple sensor) Low-resistance type, steep R/T curve Silver-plated and PTFE-insulated AWG 26 Dimensions in mm litz wires Characteristics for sensing temperatures Tsense = 90 up to 160 C conform with DIN 44082 Color coding of litz wires to DIN 44082, connecting wires in yellow UL approval to UL 1434 (file number E69802) RoHS-compatible Delivery mode Bulk General technical data Max. operating voltage (T = 0 ... 40 C) V 30 V DC A max Max. measuring voltage (T = 25 C ... T +23 K) V 7.5 V DC A sense meas,max Rated resistance (V 2.5 V) R 300 PTC R Insulating test voltage V 2.5 kV AC ins Thermal threshold time t < 3 s a Operating temperature range (V V ) T 25/ T +23 C meas,max op sense Operating temperature range (V = V ) T 0/+40 C max op Please read Cautions and warnings and Page 2 of 11 Important notes at the end of this document.