Stahl - Catalog - STAHL - #99

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2/6 2 Automation 17.04.2008 Single-Channel Safety Barriers with Electronic Current Limitation for Negative Polarity Series 9004/00 Single-channel safety barriers with electronic current limitation for negative polarity 05851E02 • For negative potential • Electronic current limitation • Grounded circuit • Approved for installation in Division 2 and Zone 2 Selection Table UN Rmin. Rmax. Imax. ÄU Safety values Order number Uo Io Po IIC IIB Lo Co Lo Co V Ù Ù mA V V mA mW mH mF mH mF 12 26 30 40 0.9 16.8 50 840 0.86 0.16 2.5 1.2 9004/00-168-050-001 12 20 24 80 0.9 16.8 100 1680 – – – – 1.6 1.1 9004/00-168-100-001 16 34 44 40 0.9 20 50 1000 – – – – 2.5 0.68 9004/00-200-050-001 20 48 53 40 0.9 26.3 50 1315 – – – – 1.3 0.33 9004/00-263-050-001 24 60 68 20 0.9 28 25 700 – – – – 2.5 0.28 9004/00-280-025-001 24 50 56 35 0.9 28 45 1260 – – – – 1.5 0.28 9004/00-280-045-001 26 67 73 20 0.9 31.5 25 787.5 – – – – 2.5 0.23 9004/00-315-025-001 Functional and Maximum Safety Values UN Rated operating voltage ãU Additional voltage drop through the safety barrier Lo Maximum permissible external inductance Rmin. Minimum resistance of the safety barrier Uo Maximum voltage Co Maximum permissible external capacity Rmax. Maximum resistance of the safety barrier Io Maximum current Imax. Maximum current through the safety barrier Po Maximum power 0V 0V Intrinsically safe field device Control room equipment Safe area Hazardous area UN / PA -Ue -Ue +Ue / 0V