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DIB71CB235A Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers

Part # DIB71CB235A
Description  Monitoring Relays 1-Phase AC/DC Over Current
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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Specifications are subject to change without notice (18.09.06)
Range Setting
Centre knob:
Setting of current on relative
scale: from 10 to 110% of the
full-scale value.
Hysteresis:
Approx. 4% of set value, it
can be extended by inserting
a resistor between terminals
Z1, Y1 or 8, 9.
Approx. resistor values:
10%:
180 k
25%:
47 k
50%:
22 k
75%:
15 k
Latch:
< 500
DIA01, PIA01
Mode of Operation
DIA01 and PIA01 monitor
both AC and DC over current
through an internal shunt.
They can monitor AC cur-
rents up to 6000 A when
connected to a suitable cur-
rent transformer.
Example 1
(connection between termi-
nals Z1, Y1 or 8, 9 - latch
function enabled)
The relay operates and latch-
es
in
operating
position
when the measured value
exceeds the set level. Pro-
vided that the current has
dropped min. 4% below the
set point (see hysteresis) the
relay releases when the inter-
connection between termi-
nals Z1, Y1 or 8, 9 is inter-
rupted or the power supply
is interrupted as well.
Example 2 (Stardard CT)
(no connection between ter-
minals Z1, Y1 or 8, 9 - latch
function disabled)
The relay operates when the
current flowing through the
transformer exceeds the set
level. It releases when the
current drops min. 4% below
the set level (see hysteresis)
or when the power supply is
interrupted.
Power supply
Overvoltage cat. III
Rated operational voltage
(IEC 60664, IEC 60038)
through terminals:
A1, A2 or A3, A2 (DIA01)
2, 10 or 11, 10
(PIA01)
724:
24 VDC ± 20%, insulated
748:
48 VDC ± 20%, insulated
B48:
24/48 VAC ± 15%
45 to 65 Hz, insulated
B23:
115/230 VAC ± 15%
45 to 65 Hz, insulated
Dielectric voltage
DC supply
AC supply
Supply to input
2 kV
4 kV
Supply to output
4 kV
4 kV
Input to output
4 kV
4 kV
Rated operational power
AC
4 VA
DC
2 W
Supply Specifications
Reaction time
(input signal variation from
-20% to +20% or from
+20% to -20% of set value)
Alarm ON delay
< 100 ms
Alarm OFF delay
< 300 ms
Accuracy
(15 min warm-up time)
Temperature drift
± 1000 ppm/°C
Repeatability
± 0.5% on full-scale
Indication for
Power supply ON
LED, green
Output relay ON
LED, red
Environment
(EN 60529)
Degree of protection
IP 20
Pollution degree
3 (DIA01), 2 (PIA01)
Operating temperature
-20 to 60°C, R.H. < 95%
Storage temperature
-30 to 80°C, R.H. < 95%
Housing
Dimensions
DIA01
22.5 x 80 x 99.5 mm
PIA01
36 x 80 x 94 mm
Weight
Approx. 150 g
Screw terminals
Tightening torque
Max. 0.5 Nm
acc. to IEC 60947
Approvals
UL, CSA (except 748 models)
CE Marking
Yes
EMC
Electromagnetic Compatibillity
Immunity
According to EN 61000-6-2
Emission
According to EN 61000-6-3
General Specifications


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