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Beacon, Thermostat, Transmitter, Sounder, Electrical safety barrier
Text version of the page
2/5
2
Automation 17.04.2008
Dual-Channel Safety Barriers Polarity: + / +
Series 9002/11
Dual-channel safety barriers polarity: + / +
05823E01
• Application specific for the connection of
3-wire NPN, voltage output sensors
• Low operational current
• Approved for installation in Division 2
and Zone 2
Selection Table
Channel
UN Rmin. Rmax. Imax. Safety-specific data Order number
Uo Io Po IIC IIB
Lo Co Lo Co
V O O mA V mA mW mH mF mH mF
12
1+2
24
24
- -
264
11979
296
1222
1
8
23
28
28
28
109
3
112
760
20
780
1.3
1.3
0.76
0,083
0,083
0,065
9
150
84
0.65
0.65
0.551
9002/11-280-112-001
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
+ve +ve
+ve +ve
0V
RL
Intrinsically safe
field device(s)
Control room
equipment
Safe area Hazardous area
UN
/ PA