Special Order: A105TZQ04 Configuration (Pole-Throw): Single Pole - Double Throw Sealed: Yes Contact Base Material: Copper Switch Contact Plating Material: Silver Process Sealed: No Single Pole - Double Throw Copper Silver | Toggle Switch | Part Number: 4-1825137-2 | Internal Number: 4-1825137-2 | Alias Number: A105TZQ04 | TE Connectivity