5A overcurrent protection module with button settings and digital tube display, can stably measure 50HZ/60HZ AC current Digital tube display + button settings + power-off save settings Relay passes voltage AC220V, current AC10A, frequency 50HZ/60HZ Overcurrent setting range 0.01~5A 5. Output contacts, 1 group of normally open + normally closed Applicable to current measurement, equipment protection, dormitory overcurrent protection and other occasions Power supply: 12V Measurement range: AC0.01~6A Measurement accuracy: ±0.05A Overcurrent setting range: 0.01~5A (The product appearance and printed words may vary depending on the batch, but this does not affect use) Colour: Blue Material: PCB Package Contents: 1* Overcurrent Protection Module 1* Current former Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.