Details
Potential monitoring device as per DIN EN 50122 part 1 / VDE 0115 part 3
As protection from dangerous body currents generated from contact voltages/tapping voltages,
maximum voltages have been stipulated depending on the effect time.
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Technical Data
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Dimensions
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W / H / D 150 / 73 / 113 mm
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Housing material
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Terminal board: polycarbonate
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lower section: ABS
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Fastening
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2 drilled holes as per drilling tem-
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plate Standard support rails as per
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DIN
EN 50022
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Protection
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Housing: IP 40; terminals: IP 10
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Connections
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2 x 2.5 mm2 solid to DIN
46288 or
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2
x 1.5 mm2
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Ambient temp.
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- 20°C to +
60°C
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Power supply
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AC 19.2 ... 253 V,
50 – 60 Hz, ? 5.5
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VA
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DC
19.2 ... 253 V, ? 2.5 W
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Measuring input
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? 1500 V, continuous; resistance:
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approx. 2 M?
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Relay outputs
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2 change-over contacts (u), poten-
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tial-free
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voltage current cos ?
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AC 250 V4.0 A > 0.7
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DC 120 V 1.0 A ohmic load
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Displays
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Network LED green
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K1: LED yellow
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K2: LED yellow
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voltage level: bar graph array
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Test voltage
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Supply voltage - measuring voltage
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outputs: 6 kVe?
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Input voltage
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DC 50 V <
UM <
DC 90 V
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K1 switches after 295 ... 299 s
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(workshop)
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DC
100 V < UM <
DC 140 V
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K1 and K2 switch after 295 ...
299 s
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UM > DC 140 V
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K1 and K2 switch jointly as per
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diagram
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UM > DC 660 V
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K1 and K2 switch after max. 30 ms
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AC
25 V < UM <
AC 40 V
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K1 switches after 295 ... 299 s
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(workshop)
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AC
50 V < UM <
AC 70 V
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K1 and K2 switch after 295 ...
299 s
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UM > AC 70 V
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K1 and K2 switch jointly as per diagram
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UM > AC 842 V
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K1 and K2 switch after max. 30 ms
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Diagram
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see overleaf
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Ordering Information
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Type 8521
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Order No. 210100
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