... .Digital display. Specification:Easy operation,strong capability of anti-interferenceProtect current setting range ( 3-90A ,3-200A) (Optional)Display resolution:1AProtect ... power failureInstrument power supply:AC220V±15% ,50~60HZInput power:<2WLoad current:5AWhole size: 76(W) * 36(H) * 68(D) mm Install ... : 70(W) * 29(H) mmNet weight: 0.24kgAppendix:Wiring Diagram Current Rating Protector Data Protect