This series of thermal relay can be used in the circuit of 50Hz or 60Hz, rated insulation voltage 66

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 break when the electric motor is overload. The relay has different mechanism and temperature compensation & can be plunged in LC1-D series AC contact it is the most advanced thermal relay in the nineties in the world.

Thermal Relay / Timer