February 2012 archive

Use of barriers with Mantracourt ATEX amplifiers

An approved barrier must be used if the ALA5 or indeed any similar products are to be installed in a hazardous area (Zone 0) The relevant parameters for the barrier are as follows: Uo = 28V, Io = 100mA, Po = 0.7W, Barrier Impedance 300Ω. These are maximum values, actual barrier parameters will vary from …

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