Specifications:LR1 series thermal relay is suitable for
thermalprotection in the circuit with AC 50Hz,voltage up to
660V,motor power up to 45Kw or less LR1,It has differential
attachment and automatic temperature compensating function.It can
be fixed on to contactor and can also be fixed independently.The
product is made in accordance with IEC292-1,LR2 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 pluged in LC1-D series AC contact It is the
most advanced thermal relay in the nineties in the world.