Baomain BM-3169 Limit Switch - SPDT Coil Spring Plunger Momentary IP67 Waterproof

DIYers and machinery folks, this Baomain limit switch is seriously versatile for all kinds of automation and safety applications! The BM-3169 model features a SPDT (Single Pole Double Throw) configuration with 1NO+1NC contacts and momentary action type. The coil spring plunger actuator measures 16mm x 120mm (about 0.63 x 4.7 inches), and it's built IP67 waterproof rated, meaning it can handle dust and temporary immersion in water. The electrical ratings are solid - 5A at 250VAC or 30VDC, making it suitable for both control circuits and safety applications. The total cable length is 3 meters (about 9.8 feet), giving you plenty of reach for installation. What's really useful is the 5.5mm mounting hole with 2.5cm center-to-center spacing, which makes installation straightforward. This switch is perfect for all kinds of applications - 3D printers, CNC routers, garage doors, automatic lighting systems, industrial machinery, you name it. The construction feels durable and well-made, like it can handle repeated use without failing. Whether you're building a new machine, repairing existing equipment, or adding safety features to your workshop, this limit switch delivers reliable performance. The waterproof rating means you can use it in environments where moisture might be an issue. At about 340 grams, it has some heft to it that suggests quality materials. If you need precise position monitoring or limit protection for moving parts, this Baomain switch is definitely worth considering. It's one of those components that just works reliably when you need it most.