CLR1-D series thermal relay is suitable for thermal pretection in the circuit with AC 50 or 60Hz,voltage up to 660V,motor power up to 45KW or less.It has different attachment and temperature compensating function.It can be fixed onto contactor and can also be fixed independently.The product is made in accordance with IEC292-1 CLR1D series thermal relay and has kinds of species.9A,12A,16A,25A,40A,63A,80A.