Delta Electronics ESR-48/40A Communication Power Module

Delta Electronics ESR-48/40A Communication Power Module provides a stable -48 VDC power supply for communication and control equipment in industrial power systems, helping keep telecom and automation hardware powered in environments with fluctuating AC input. It delivers up to 40 A continuous output from an input range of 85–300 VAC, with output -48 VDC, efficiency up to 91%, and a minimum power factor of 0.99, making it suitable for telecom base stations, data communication systems, control cabinets, and automation networks that demand voltage regulation under varying loads. Forced-air cooling supports dependable operation in rack- or panel-mounted deployments, with mounting options that accept rack or panel installation, while protection features—overvoltage, overcurrent, short circuit, and overheating—help safeguard sensitive electronics and minimize downtime. Operating temperature ranges from -10°C to 50°C, and the module is intended for industrial and telecom environments where continuous operation and voltage stability are critical.