A101MDZQ04 is a toggle switch from the Gemini A series manufactured by TE Connectivity. Based on the available datasheet context, this product appears to be a 1-pole toggle switch with on-on switching positions, though the specific contact material and mounting configuration cannot be definitively determined from the provided specification window. The switch is designed for general-purpose switching applications in electronic equipment. Without access to the complete technical specifications for this specific SKU, detailed information regarding electrical ratings, operating temperature range, and dimensional specifications cannot be reliably provided.