The 621-1143-314F is a 22mm heavy-duty tri-color LED panel mount indicator designed for industrial signaling applications. This model features a yellow LED with a clear lens, operates at 12V DC with an internal resistor included, and delivers a typical intensity of 435 mcd. The indicator is constructed with stainless steel housing, terminals, and nut, providing excellent corrosion resistance for both indoor and outdoor environments. It meets IP66/IP67 and IK10 ratings, NEMA 4X certification, and is RoHS compliant, making it suitable for demanding applications such as main power indication, status indication, maintenance and warning indication, and instrumentation.