描述:AUTOMATION DIRECT 22mm Twist‑to‑Release Mushroom Head Pushbutton, LED Illuminated, Red Operator, 40mm Head Diameter, Plastic Base & Bezel, 1 Normally Closed (N.C.) Contact, IP65 Front Protection, 24 VAC/VDC Full Voltage Operation, Silver Contacts, Fiberglass Reinforced Thermoplastic Housing, UL Recognized (E189258), CSA Certified, RoHS Compliant, Suitable for Industrial Control Panels & Emergency Stop Applications.