For my electrical and industrial folks, this Ruilogod rotary switch is a solid, reliable component for control applications! The orange plastic case measures about 8x7x6.5cm and provides good protection for the terminals. The keylock feature is great for safety - you need the specific key to operate it, which prevents unauthorized switching. It's a 2-position on/off design with 2 screw terminals and single-pole single-throw (SPST) contact configuration. The 600V AC rating and 10A current capacity make it suitable for various industrial applications, machine control, or emergency shutoff systems. Installation was straightforward - the screw terminals accept standard wire sizes, and the mounting holes line up easily. The key turns smoothly between positions with a positive click that lets you know it's engaged. I've been using mine in a control panel for about six months now, and it's performed flawlessly with no signs of wear or electrical issues. The construction feels durable - not that cheap plastic that cracks easily. If you need a reliable key-operated switch for equipment control, safety systems, or any application where you want to prevent accidental or unauthorized operation, this Ruilogod switch is definitely worth considering. It's provided solid performance at a very reasonable price point compared to name-brand alternatives.