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The KLIXON® 3HM motor protectors are line break automatic reset controls which are wired in series with the motor windings. These protectors are designed to track winding temperatures and respond to changes in line current, which provides protection against the overload conditions listed below:

  • Running overload
  • High/Low voltage locked rotor
  • High voltage light load
  • High discharge temperature



Purpose of ControlThermal protector for motor compressor
Rated Voltage240 VAC
Rated Current16A inductive load, 80A at p/f 0.6
Temperature Range90°C to 175°C
Ambient Temp. LimitsTmin=0°C / Tmax=200°C
Tolerance on Temp.Open ±5K, Close ±11K
Type of DisconnectionType3C
Pollution SituationNormal
PTI for InsulationPTI600
Enclosure Protection DegreeIP00