The 620-1201-304F is a green LED panel mount indicator from the 620 series, designed for heavy-duty applications. It operates at 3 VDC and has a typical luminous intensity of 250 mcd. This indicator is constructed with a corrosion-resistant stainless steel housing, nut, and terminals, and is designed for mounting in an 8.2 mm panel hole. It is sealed to IP66/IP67 standards, rated to IK10 for impact resistance, and operates in temperatures from -25 °C to +70 °C. Its robust design makes it ideal for industrial panels, instrumentation, power indication, and outdoor warning lights.