General descriptionEmergency stop button with a locking system designed for installation in 22 mm diameter holes.Features a solid metal body for durability.Press the red button to lock the switch, and unlock by rotating the red mushroom head.Ideal for use in electrical panels and automation systems.Compatible with various switches, buttons, and selectors for controlling automation.Suitable for industrial control of electrical equipment, automation, doors, roller shutters, and more.Technical specificationsHole size: 22 mmRated current: 10 AOperating structure: self-lockingContact material: environmentally friendly silver contactsContact form: one normally open (NO) and one normally closed (NC)Product features: flame retardant, pressure resistantProduct color: redCompatibility and accessoriesCompatible with watch cases for controls, buttons, and switches with a 22 mm diameter hole (ref #TX0x and #TG5x).