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PIPELINE PROTECTION - Cathodic Decoupler Surge Cathodic Decoupler The Novaris SCD Series has been specifically designed to provide pipelines with surge, AC and DC voltage protection whilst providing low voltage DC isolation for cathodic protection. This combination provides the best electrical protection for ICCP systems, pipelines and adjacent workers. SCD-20-100 Product Series IL Imax Electrical Specifications Lightning Imax 100kA (8/20) (Max terminal voltage rise 230V) AC Fault Conduct 3.5kA RMS at 50Hz for 500mS (Max terminal voltage rise 15V RMS) AC Steady State Conduct up to 20A RMS above 10Hz Symmetrical configuration of solid state and low impedance circuit 0.06 ohm AC impedance @ 50Hz (Max terminal voltage rise 0.6V RMS @ 10A) DC Conductance Refer to V/I graph 1.5V 0.02mA Maximum 2.0V 0.2mA Maximum 5.0V 1000mA Minimum Mechanical Specifications Construction Combination of solid state and low impedance components designed to be maintenance free whilst providing optimum protection IP66 rated stainless steel enclosure for to prevent corrosion Operating Temperature / humidity Dimensions -40 to + 70ºC / 5 to 95% Width: 150mm Height: 150mm Depth: 90mm Weight 3.5kg Mounting 2 x 8mm mounting tabs Terminals Conducting: 2 x M10 Earth: 1 x M6 www.novaris.com.au Email: [email protected] Telephone: +61 3 6229 7233 PIPELINE PROTECTION - Cathodic Decoupler DC Conductance @ 20˚C 10000 1000 DC Current (mA) through diverter 100 10 1 0.1 0.01 0.001 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 14 16 18 DC Voltage (V) across terminals AC Conductance @ 20˚C 1 0.9 AC Voltage RMS (V) Accross Terminals 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 2 4 6 8 10 12 AC Current RMS (A) www.novaris.com.au Email: [email protected] Telephone: +61 3 6229 7233