The 25149NAB is a professional grade double-pole slide switch from the 25000N series, designed for PC board mounting with flush actuator configuration and 5.08 mm terminal spacing. It features epoxy sealed terminals, UL 1054 approval, and is wave solderable, making it suitable for industrial and commercial applications. The switch is available with silver contacts (1A 30VDC maximum rating) or gold-plated brass contacts (100mA 30VDC maximum rating), with initial contact resistance of 10 mO (silver) or 50 mO (gold-plated). It offers an electrical life of 10,000 cycles at full load and mechanical life of 20,000 cycles, with operating temperature range from -40°C to +85°C. The switch is commonly used in instrumentation, control panels, and consumer electronics where reliable switching performance and compact form factor are required.