Electronic Products & Technology

Power supplies offer safety protection approvals

January 14, 2021  Stephen Law

TRACO POWER TPP 450B Series 3×5” power supplies come with Protection Class II models (TPP 450BA-M Open-Frame Models and TPP 450B-M Enclosed with Fan Models). Products are suitable for non-stationary requirements where connection to ground is not possible. Key approvals on the original series remain on the expanded the class II versions, including medical IEC/EN/ES 60601-1 and industrial IEC/EN/UL 62368-1 safety approval. Features for the medical market include a double, reinforced 4000Vac I/O isolation system low leakage current (<100µA) for a 2 x MOPP rating and BF compliance. A high efficiency up to 94% supports a convection cooled operation up to 320 W at +50°C and 450W operation at +65°C with 20cfm airflow. Additional features include 5Vdc standby; 12Vdc variable speed fan output; Remote On/Off and Power Good Signal. Industrial grade components and advanced thermal management ensure high reliability and the product series is backed by a five-year warranty.

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