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1111. I.G ZENER SAFETY BARRIERS <br />Model no. ZSB-1 and ZSB-2 are provided as an intrinsically safe interface between the hazar- <br />dous location and non -hazardous location. More specifically, one side of the Zener Safety <br />Barrieris connected to the system motherboard located in a non-hazardouslocation. The other <br />side of the Zener Safety Barrier is connected to the sensor located in a hazardous location. <br />When used properly with the Barrier End Plate a safe area is provided for connectionof <br />sensor wiring. <br />Sig <br />a <br />I (CCO <br />coo <br />.7 <br />UNIVERSAL S . NSORS 0 <br />E A <br />& DEVICESWC. GROUND WIRE <br />Chatsworth, CA 91311 r GREEN 12 AWG <br />7" LONG <br />W: <br />