500 Pcs 6.3 x 0.79 In Chromatography Paper Strip, Experiments Filter Paper for Pigment Separation and Science Experiment,Laboratory Cleaning Paper for Chemistry,Classroom,School,University auspowers_batchfour Round red push button Pattern Name:Showerhead + Handheld Showerhead B0CNJN9PV8 fromNN designed for hinged doors

500 Pcs 6.3 x 0.79 In Chromatography Paper Strip, Experiments Filter Paper for Pigment Separation and Science Experiment,Laboratory Cleaning Paper for Chemistry,Classroom,School,University auspowers_batchfour Round red push button Pattern Name:Showerhead + Handheld Showerhead B0CNJN9PV8 fromNN designed for hinged doors Round red push button Three Phase Voltage Monitoring Relay Over Voltage Protection AC DC Voltage Monitoring for Phase Sequence Protector GRV8 03 Specification: Condition: 100% Brand New Model: GRV8 03 Monitoring Terminal: L1 L2 L3 Power Supply: L1 L2 Rated Working Voltage Selection: AC220 230 240 380 400 415 440 460(P P) Measuring Frequency Range: 50 60Hz Measuring Range: 176V 552V Voltage Threshold Range: 2% 20% (Rated Voltage) Unbalance Threshold Range: 5% 15% Voltage Fixed Lag Rate: 2% Power Indicator: Green LED Action Delay Time: 0