Manufacturer Name: Functional Devices Product Number: TR100VA015 OEM Part Number: TR100VA015 Product Description: 480/277/240/208/120 To 24V W/B Weight:4.48lbs/2032.09g The Functional Devices TR100VA015-480/277/240/208/120 to 24V W/B is a versatile voltage transformer, converting high input voltages (480/277/240/208/120V) to a 24V output. It's ideal for powering low-voltage sys... https://www.partshnc.com/tr100va015-functional-devices-480277240208120-to-24v-wb