Portable enclosure for Sonoff POWR320D Switch (for EV charging)
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I built this case for a Sonoff switch to measure the energy consumed when charging an electric vehicle
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Updated at source:
Model information
- Source
- Printables
- Category
- Portable Devices
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
I created a custom case for a Sonoff switch to monitor energy consumption while charging an electric vehicle. It's particularly useful for charging at unmetered outlets or at hotels/guesthouses without dedicated EV charging stations, as long as the owners permit EV charging.
Components Used:
- Plastic cable gland
- M4 screws and M4 nuts
- 220V plug
- 220V socket with cover
- Electrical cables
Build Details:
- The Sonoff switch is secured inside the case using a plastic glue gun, allowing for easy removal by detaching the glue.
- The model requires no additional supports during 3D printing and was printed using Pineapple Yellow Prusament PLA.
Updates and Adjustments (as of 13.08.2023):
- Two nuts near the Sonoff unit need to be sawed down by about half (or more) for proper fitting. I used a small grinder, and the adjustment took less than a minute.
Connectivity:
To enable wireless functionality, the switch is configured to connect to a hotspot created by my phone. This setup ensures independence from the accommodation's WiFi network.