Please noted: 63A With N 220V for 3*220V+N, Dispaly each phase 220V.<br> Three phase Voltage Current Relay Protector 63A 220V 3P+N Over Under Voltage Relay Current limiter adjustable.<br> Over-voltage protection: Adjustable .Under-voltage protection: Adjustable .Over-Current protection: Adjustable.<br> Asymmetry protection. Phase squence protection.<br> Active time and reconnect time adjsutable. Voltage and current can be manually calibrated<br> Code: Parameter, Value<br> P1: Power , 1-500S<br> U1: Over Voltage , 230-300V<br> U2: Recovery Voltage , 220-295V<br> U3: Recovery Time , 1-500S<br> U4: Power Off delay Time , 0.1-30S<br> U5: Under Voltage , 140-210V<br> U6: Recovery Voltage , 145-215V<br> U7: Recovery Time , 1-500S<br> U8: Power Off delay Time , 0.1-30S<br> U9: Voltage Deviation , -9.5 to 9.5%<br> U10: Asymmetry , 20-99V<br> U11: Phase squence protect , on/off<br> C1: Over Current , 3-63A<br> C2: Recovery Time, 1-500S<br> C3: Power Off delay Time, 0.1-30S<br> C4: Current Deviation, -9.5 to 9.5%<br> C5: Continues Over Current Times, 1-20 off<br> size: 91 x 67 x 90mm<br> Material: PC plastic<br> colour: grey + white<br> Package Contents:<br> 1 x Voltage protector<br> Only the above package content, other are not included.<br> Note: Light 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.