2-1825139-5 is a Gemini Series A toggle switch designed for PCB mounting applications. This 2-pole switch features on-off-on position functionality with silver (Ag) contact material, providing reliable electrical switching performance. The switch is part of TE Connectivity's established Gemini A product line, which is engineered for standard industrial and commercial switching applications. The PCB terminal configuration enables direct integration into circuit boards, making it suitable for control panels, instrumentation, and consumer electronics where compact, reliable switching is required.