The DD50PA101 is a single-pole, double-throw (SPDT) toggle switch made by ITT. It has a PC mounting bracket and a maximum voltage rating of 250 VAC. It is UL and cUL approved, and has a maximum current rating of 10 A. This switch is typically used to make or break electrical connections in a circuit, and is typically found in commercial applications such as industrial automation, security systems, and HVAC systems.