Question: Need a replacement power supply for, TRCP0300, TRCP0600, TRCP3000
Answer: Tektronix does not offer a replacement part number.
The power supply an External Desktop AC to DC supply.
12V 1.6A with a barrel connector of 2.1mm ID and 5.5mm OD.
Positive (+) inside; necitive (-) outside.
Product Series: Current Probes