The HASCO COMPONENTS part HAT903CSAC220 is an electromechanical relay designed for heavy-duty applications. It operates at a voltage of 220VAC and has a resistance of 13.49KOhm. This relay has a single-pole, double-throw (SPDT) configuration with a current rating of 30ADC for the normally open (NO) contact and 30AAC for the normally closed (NC) contact. Its compact size of 50.29x27.43x28.19mm makes it suitable for space-constrained installations. The relay is equipped with a flange for easy mounting and features a durable construction for reliable performance in demanding environments.