ABQW1B-R is a part manufactured by Idec Corporation. It is a 3-phase AC contactor, rated for 10A, 200-220V. It is used to control heavy loads, such as motors and other industrial equipment, where the currents involved may be too high for conventional switches. The contactor has an Auxiliary Contact on the side, which is used to indicate the status of the contactor. It is designed to be used in harsh environments, with a high degree of protection from dust and shock. It is UL, CSA, and CE certified.