2RK200M-4-H3.5
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38139802-2RK200M-4-H3.5
Gas Discharge Tube (GDT),2R-4-H3.5 Series, 200 V, SMD, 3 kA, 750 V
Power consumption is the amount of input energy (measured in watts) required for an electrical appliance to function. This is opposed to power output which is a measure of the level of performance, of a heat pump for example.
An orifice plate is a device used for measuring flow rate, for reducing pressure or for restricting flow (in the latter two cases it is often called a restriction plate).