Iso 9001:2000 certified company bch electric limited produces and supplies single pole definite purpose contactor. The single pole definite purpose contactor has been designed for service in specific applications such as air conditioning, refrigeration and resistance heating. These single pole definite purpose contactors are available in two ratings of 25 a and 40 a. The single pole definite purpose contactor comes in various configurations to suit the application requirements. Technical specifications of single pole definite purpose contactor are: Contact system: double brake Operating temperature: -5*c to +55*c Conforming to iec: 60947-4-1 and is - 13947-4-1