Tripp pdu 120v 4kw Lite tripp pr random cracking take open look just Wb4iuy's random blog: repairing a tripp-lite pr-40 dc supply
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13.8v 40a power supply schematic prints .
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WB4IUY's Random Blog: Repairing a Tripp-Lite PR-40 DC Supply
13.8V 40A Power Supply Schematic Prints
Tripp Lite 2.4kW Single-Phase 120V Basic PDU | PDU1220