The AVLW49911D-R-120V is a 40mm illuminated pushlock turn-reset emergency stop switch from IDEC's TW Series designed for industrial control and safety applications. This assembled unit features a 1NO/1NC contact arrangement with snap-on 10A contact blocks, a red button with engravable lens, and LED illumination operating at 120V AC full voltage (LED only). The switch incorporates slow make, double break, self-cleaning contacts rated for 5 mA to 10 A, a corrosion-resistant octagonal chrome-plated locking bezel, and large M3.5 screw terminals with captive sems plate for secure panel mounting. The unit is rated NEMA 4X and IP65 for watertight/oiltight panel installation with panel thickness accommodation of 1 to 6 mm. Common applications include emergency stop circuits, machinery control panels, and hazardous area installations where reliable, visible shutdown capability is required.