3D Printer Power Meter Case

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This is a case for a Power Meter Module which measures:
Voltage, Power, Current, Power-factor, Energy Usage and Frequency.

It might be a good idea to add a fuse into the case, electrically before the Power Meter circuitry in case something goes wrong.

The case is designed for the "20A" version which does not use a current transformer to measure current:
https://www.aliexpress.com/item/20A-100A-AC-LCD-Digital-Panel-Power-Watt-Meter-Monitor-Voltage-KWh-Voltmeter-Ammeter-Tester-Tools/32934531215.html

A KCD4 rocker switch is used to completely turn off the Power Meter and output:
https://www.aliexpress.com/item/5pcs-2-Position-Red-Light-Rocker-Switch-16A-250V-KCD4-20-4-Pin-ON-OFF-Toggle/32815632983.html

The additional mounting pieces can be used to clamp / screw down the angled stands of the case. Unfortunately the LCD used i