The HASCO COMPONENTS part HATF903CSAC24 is a heavy-duty electromechanical relay designed for reliable and efficient performance. With a coil voltage of 24VAC and a coil resistance of 120Ohm, this relay is capable of handling high voltage and current levels. The relay features a single-pole double-throw (SPDT) configuration, allowing for versatile switching options. It has a contact rating of 30ADC/40(NO)/30(NC)AAC, making it suitable for a wide range of applications. The relay measures 50.29 x 27.43 x 28.19mm and has a flange for easy installation.