Shelly 120A TC reviews: 4.6/5 based on 11 analyzed reviews from 2 sites, updated November 2, 2026.
Praised: measurement accuracy and transformer utility. Criticized: average extension module.
Review summary
Written by Augur from the 11 reviews analyzed
This 120A current transformer is designed as an extension module for measuring electrical current within an energy monitoring ecosystem. Feedback is particularly praiseful regarding its measurement performance, utility, and overall integration.… However, some users temper their enthusiasm by pointing out that the overall appreciation of the extension module itself remains more average.