This series of thermal relay can be used in the circuit of 50Hz or 60Hz，rated insulation voltage 660V，rated current 0．1～93A for protecting the phase failure when the electric motor is overload．The relay has different mechaaism and temperature compensation & can be plugged in LC1-D series AC contactor．
Characteristic curve
  A．Fundamental parameter of the main circuit
  (a)Rated insulating voltage 660V
  (b)Rated working current 25，36，93A separately
  (c)The regulator seal of rated setting current
  (d)Current of the thermal component(see list 1)
  B．Auxiliary circuit
  (a)There are one pair of N／O and N／C contact with electric insulating
  (b)Rated insulation voltage 500V
  (c)Rated frequency 50～60Hz
  (d)Use group，rated working voltage，appoint thermal Current and rated current．