Manufacturer Name: Honeywell Product Number: MS4105A1030 OEM Part Number: MS4105A1030 Product Description: 120/230Vdca Onoff 45Sec S/R Weight:3.8lbs/1723.65g The Honeywell MS4105A1030 is a versatile and dependable on/off switch for use with a variety of HVAC equipment. Its 45-second time delay and ability to run on both 120 and 230 volts of direct current (DC) enable accurate c... https://www.partshnc.com/120230vdca-onoff-45sec-sr-2