Details
The potential monitoring device Type 8538 operates as a remote reporting device and monitors the electrical isolation of insulated rail joints, overvoltage protectors and similar devices depending on the voltage.
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Technical Data
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Dimensions
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W/H/D 100/70/115 mm
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Housing
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ABS / Polycarbonate
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Mounting
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2 bores according to template, Top
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hat rail
according to DIN
EN 50022
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Protective device
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Casing: IP 40; Terminals IP: 10
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Ambient temp.
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-20° C to +
60° C
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Connections
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2 x 2.5 mm2 solid
according to
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DIN
46288 or 2 x 1.5 mm2 with
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sleeve
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Supply terminal
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18 (PE); terminal 19 (N); terminal
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20
(L)
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Supply voltage
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AC 230 V +10/-15 % (48 - 62 Hz);
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approx.
3 VA
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DC
19.2 V - 80 V; terminal 19
(L-);
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terminal
20 (L+); approx. 1.5 W
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Measurement input
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Terminal 12 (BE), terminal 14 (WE)
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Input resistance
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Approx. 1 M?.
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Input voltage
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Max. 900 V continuous
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Relay output
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Terminal 1, 2, 3 (1 u,
potential-.free)
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Response time
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Dependent on position of selector
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switch Position 0 60 sec.,
Positions 1
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to
9 = displayed number x 12 h
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Contact ass.
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AC 250 V / 4 A cos? > 0.7
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DC
120 V / 1 A resistive load
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Displays
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By means of LED’s; see reverse
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1 yellow LED for relay closed
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(normal operating)
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1 yellow LED for teaching in phase
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1
red LED for faults
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1
red LED for warning
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Times
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Teaching in phase < 30 sec.
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Test voltage
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4 kVe?.
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Accessories
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Protective casing (IP
65) for external
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fitting
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Ordering Information
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Type
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Order No.
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85380 (AC Version)
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220100
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85381 (DC-Version)
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220101
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