Motor Protection Thermistors
PTC thermistors are designed for over-temperature protection of motor field/stator windings. They are normally used in conjunction with a VSD or motor protection relay, and transition to a high resistance state when the specified temperature is exceeded, shutting off the supply to the motor in order to prevent overheating.
Rated Response Temperature NAT in °C | Lead Colours Outer/Outer (inner: Yellow) | Part Number |
---|---|---|
60 | White/Grey | STPTC3060C |
70 | White/Brown | STPTC3070C |
80 | White/White | STPTC3080C |
90 | Green/Green | STPTC3090C |
100 | Red/Red | STPTC3100C |
110 | Brown/Brown | STPTC3110C |
120 | Grey/Grey | STPTC3120C |
130 | Blue/Blue | STPTC3130C |
140 | White/Blue | STPTC3140C |
145 | White/Black | STPTC3145C |
150 | Black/Black | STPTC3150C |
155 | Blue/Black | STPTC3155C |
160 | Blue/Red | STPTC3160C |
170 | White/Green | STPTC3170C |
180 | White/Red | STPTC3180C |