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Text version of the page
2/11
2
Automation 17.04.2008
Single-Channel Safety Barriers for Alternating Polarity
Series 9001/02
Single-channel safety barriers for alternating polarity
05526E02
• Grounded circuit
• Suitable for AC and DC circuits
• Current limitation to < Imax
• 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
16 63 72 < 80 < 1.4 21.7 390 2116 – – – – 0.89 1.17 9001/02-217-390-101
24 143 162 < 65 < 1.4 30.8 230 1771 – – – – 0.7 0.524 9001/02-308-230-101
Functional and Maximum Safety Values
UN Rated operating voltage Imax. Maximum current
through the safety barrier
Po Maximum power
Rmin. Minimum resistance
of the safety barrier
Uo Maximum voltage Lo Maximum permissible
external inductance
Rmax. Maximum resistance
of the safety barrier
Io Maximum current Co Maximum permissible
external capacity
0V
Intrinsically safe
field device
Control room
equipment
Safe area Hazardous area
UN
/ PA
+/-Ue
+/-Ue/0V
+/-Ue
+/-Ue/0V