Ultra-Reliable Industrial-Grade PSUs

21 February 2024

Aimed at use in challenging industrial settings, the PDA series of AC/DC power supply units (PSUs) from COSEL rely on a quasi-resonant topology.

This means that the number of constituent components is minimised, with greater operational reliability being witnessed as a result (and a longer mean time between failure). The PSUs in this series each cover an input voltage range going from 85VAC to 264VAC, with efficiency levels reaching 87.5%. The initial models have 15W, 30W or 50W output power values. They are fully form, fit and function compatible with the company’s prior PBA series - thereby providing customers with a straightforward upgrade path without needing system design alterations. A -20°C to +70°C operational temperature range is supported, and a 3kVAC input-to-output isolation voltage means that high levels of protection are assured. UL62368-1, c-UL and EN62368-1 safety standards are adhered to. Among the key uses for these PSUs will measurement and process control equipment, machine monitoring systems, display hardware, etc.

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