202647 ⎘
Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand; Details; Cases; Covers; Dustproof, splashproof, drip-proof, waterproof, or flameproof casings Casings hermetically closed by a diaphragm through which passes an actuating member