The 657-1504-103F is a red LED panel mount indicator from the 657 Watertight Series. It is designed to operate on a 24 VDC supply, drawing 20 mA of current and producing a typical luminous intensity of 650 mcd. This indicator features a durable polycarbonate housing and a flat, tinted diffused lens, ensuring reliability in harsh conditions with IP67 and NEMA 4X ratings. It operates over a temperature range of -35°C to +65°C and comes with 6-inch, 18 AWG wire leads for electrical connection. Its robust, watertight construction makes it ideal for industrial control panels, heavy-duty vehicles, marine equipment, and other demanding applications.