RAC04-K/277 AC/DC Converters RECOM Power RAC04-K/277 AC/DC Converters deliver 4W of continuous output power in harsh environments with up to 5000m altitudes. The modules deliver full load output power from -40°C to +75°C across the entire input range of 80VAC to 305VAC. The devices are certified for operation with power derating up to +90°C air ambient. The series offers a complete solution without needing external components, which supports Ecodesign Lot 6 standby mode operation for worldwide applications. RECOM Power RAC04-K/277 AC/DC Converters have a peak load capability of up to 150% and support the dynamic power demands of applications. The fully encapsulated units have international safety certifications for industrial, domestic, ITE, and household applications. The series has a reinforced Class II installation rating for floating outputs, a wide margin to Class B emissions compliance without external components, and a 4kV insulation rating. Applications include automation, industry 4.0, Internet of Things (IoT), household, and home automation.