544-P3
The General Radio 544-P3 AC Power Supply was introduced in Catalog K1 (1939) and remained available through Catalog R (1963).
The Type 544-P3 in an AC Power Supply for the Type 544-B Megohm Bridge. Located in the unshielded upper section of the 544-B oak case, it supplies the test voltage and bridge operating voltages. Visible in the photos are the test voltage jumpers.
Specifications
- Output Voltage: 100 V or 500 V, jumper selectable
- Short Circuit Current: 12 mA
