27E121=SOCKET,KUP,11,SCW,SURF-MOUNT Relay Socket Type: Track Mount Body Material: Nylon Product Mount Type: Panel Mount Pole Configuration: 3 Relay Accessory Type: Socket Track Mount Nylon Panel Mount 3 | Relay Accessories & Socket & Clip | Part Number: 27E121 | Internal Number: 1393143-5 | TE Connectivity | Potter & Brumfield