The HEH050PA is a DC 48V electric heater with 500W heating capacity designed to warm air inside equipment cabinets and prevent damage from low-temperature conditions. It features a rated current of 12.5A at 48VDC, an operating voltage range of 46-56VDC, and a startup average current of 18A maximum with an inrush current of 200A maximum. The heater operates across a temperature range of -40°C to +65°C and can be mounted vertically or horizontally on cabinet walls or bottoms with flexible airflow orientation. The unit is housed in a plastic UL94 V0 case with dimensions of 150mm (L) × 145mm (W) × 43mm (D), weighs 0.6kg, and includes blade terminal connectors for DC power input. It is certified for safety with c-ULus and CE marks, features an IP20 ingress protection rating, and has an expected L10 life of at least 80,000 hours of continuous operation at 40°C, making it suitable for industrial cabinet thermal management and equipment protection applications.