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參數資料
| 型號： | DIA01C7485A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Monitoring Relays 1-Phase AC/DC Over Current |
| 中文描述： | 監測繼電器1三相交流/直流過電流 |
| 文件頁數： | 2/3頁 |
| 文件大小： | 114K |
| 代理商： | DIA01C7485A |
2
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
Rated operational voltage
through terminals:
A1, A2 or A3, A2 (DIA01)
2, 10 or 11, 10 (PIA01)
Overvoltage cat. III
(IEC 60664, IEC 60038)
724:
748:
B48:
24 VDC ± 20%, insulated
48 VDC ± 20%, insulated
24/48 VAC ± 15%
45 to 65 Hz, insulated
115/230 VAC ± 15%
45 to 65 Hz, insulated
DC supply
2 kV
4 kV
4 kV
B23:
Dielectric voltage
Supply to input
Supply to output
Input to output
Rated operational power
AC
DC
AC supply
4 kV
4 kV
4 kV
4 VA
2 W
Supply Specifications
Reaction time
(input signal variation from
-20% to +20% or from
+20% to -20% of set value)
< 100 ms
< 300 ms
(15 min warm-up time)
± 1000 ppm/°C
± 0.5% on full-scale
Alarm ON delay
Alarm OFF delay
Accuracy
Temperature drift
Repeatability
Indication for
Power supply ON
Output relay ON
Environment
Degree of protection
Pollution degree
Operating temperature
Storage temperature
Housing
Dimensions
LED, green
LED, red
(EN 60529)
IP 20
3 (DIA01), 2 (PIA01)
-20 to 60°C, R.H. < 95%
-30 to 80°C, R.H. < 95%
DIA01
PIA01
22.5 x 80 x 99.5 mm
36 x 80 x 94 mm
Approx. 150 g
Weight
Screw terminals
Tightening torque
Max. 0.5 Nm
acc. to IEC 60947
UL, CSA (except 748 models)
Yes
Electromagnetic Compatibillity
According to EN 61000-6-2
According to EN 61000-6-3
Approvals
CE Marking
EMC
Immunity
Emission
General Specifications
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