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The SL Power LB240 Series, including the LB240S48K, offers high-density, single-output open-frame AC/DC power supplies designed for industrial and dimming applications. This series operates with a universal input voltage range of 90 to 264 VAC and delivers up to 240W of continuous power with 300 LFM airflow.
Key electrical specifications include an efficiency of 92-94% typical, 3kV isolation between input and ground, and comprehensive protection features such as overvoltage, short circuit, and thermal protection. The power supply meets EN55015 Class B conducted EMI standards and IEC61000-3-2 Class C for LED dimming applications.
Designed for chassis mounting, the LB240S48K has a compact footprint measuring 127.0mm x 76.2mm x 31.1mm. It operates within a wide temperature range of -10°C to 70°C, delivering full rated power up to 50°C ambient with forced airflow.
Safety approvals include EN/CSA/IEC/UL 62368-1, making it suitable for various commercial and industrial equipment designs where power density and cost-effectiveness are critical.
The maximum output power is 240W continuous with 300 LFM airflow.
The input voltage range is 90 to 264 VAC.
The typical efficiency is 92 to 94% at 120 VAC / 240 VAC, 25ºC.
The dimensions are 127.0mm (Length) x 76.2mm (Width) x 31.1mm (Height).
The operating temperature range is -10°C to 70°C.
Yes, it features latch off overvoltage protection that requires an AC power cycle to reset.
It is approved to EN/CSA/IEC/UL 62368-1.