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Product Name: Push Button Switch Shell Naterial: Copper-plated Nickel / Alumina 12mm: 1NO 16/19/22mm: 1NO1NC Opening Diameter:12mm 16mm 19mm 22mm Max Current: 3A Operation Type: Momentary/Fixed Self-lockingDifference between Momentary self-reset and Latching self-locking:1/Self-reset: When you press the button, press-key will robotically return.(Like a automobile horn change it-power on, release it-power off.) 2/Self-locking: When you press the button, press-key will dwell in function till you press again then the press-key return.(Like a light swap it-power on, press it again-power off.)Manual measurement, there may be a little error.








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