The YZ-2RDS4 is a basic switch featuring a corrosion-resistant steel plunger and a sealed construction for splash resistance. It operates with a force of 13-19 oz, has a minimum release force of 4 oz, and features a differential travel of .0004 to .0025 inches. The switch provides a single-pole, normally open (SP NO) contact arrangement and is rated for 15A at 125, 250, or 480 VAC, as well as various DC and horsepower loads. Its durable and sealed design, including a silicone elastomer plunger seal, makes it suitable for applications requiring reliable performance in potentially harsh environments.