The HA4825-4980 is a reed switch contactor made by Sensata Technologies. It is a high-performance device that is used in a variety of applications such as HVAC/ Refrigeration systems, household appliances, industrial machinery and medical equipment. The device consists of an epoxy-sealed reed contact switch and an encapsulated coil. The contact switch is available in a variety of configurations, including normally open (NO) or normally closed (NC), and is designed to provide reliable, repeatable switching performance. Its encapsulated coil provides superior protection against shock and vibration, as well as good electrical insulation. The HA4825-4980 is rated for a current of 15A (at 250Vac) and can be used up to 16.7A (at 220/250Vac).