8000 Zone2.pdf

Railbus isolatorRailbus isolator8922-RB-IS◆◆◆provides galvanic isolation between Railbussectionsprevents fault-voltage invasionsprotects IS field wiring modulesMODULE SPECIFICATIONSee also System SpecificationMECHANICALDimensions (approx.) ...............110 (w) x 160 (h) x 42 (d) mmWeight .................................................................345 g (typ.)HAZARDOUS AREA APPROVALSLocation of module .............................................................................Class 1, Div 2, Group A, B, C, D hazardous location or..................................................Zone 2, IIC T4 hazardous area‘Safe area’ Railbus ............................................U m = 250 VIsolated Railbus ....................................................U n = 18 VPOWER SUPPLIES‘Safe area’ Railbus supply current* .50 mA (max.) @ 12 VIS Railbus supply current*..................60 mA (max.) @ 12 VPower dissipation within module...................1.2 W (max.)* Note: DC power for the Railbus Isolator is required from bothsides of the galvanic interface.EUROPE (EMEA) Tel: +44 (0)1582 723633 Fax: +44 (0)1582 422283AMERICAS Tel: +1 603 926 0090 Fax: +1 603 926 1899ASIA PACIFIC Tel: +65 487 7887 Fax: +65 487 7997E-mail: enquiry@mtl-inst.com Web site: www.mtl-inst.comSept 2002