Fig. 13 El3453 - Beckhoff EL34 Series Documentation

3-phase energy and power measurement terminals
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EL3453
Technical data
Number of inputs
Technology
Oversampling-factor
Distributed-Clocks
Accuracy of Distributed Clocks
Update time
Measured values
Measuring error
Mains voltage
(Nominal voltage range)
Technical measuring range Voltage
Maximum permissible overvoltage
Internal resolution
Input resistance Voltage path
Nominal current range
Technical measuring range current
Maximum permissible overcurrent
Peak overload capacity
Largest short-term deviation during a
specified electrical disturbance test
Input resistance Current path
Frequency range
Threshold frequency
Electrical isolation
Current consumption power contacts
Current consumption E-Bus
Weight
Dimensions (W x H x D)
Mounting
Permissible ambient temperature range
during operation
Permissible ambient temperature range
during storage
Relative humidity
Vibration / shock resistance
EMC immunity / emission
Protect. class / installation pos.
Approvals
*) prolonged operation above the nominal range can lead to impairment of function and/or shortening of operating life
EL34xx
EL3453
4 x current, 3 x voltage
3-phase power measurement
Optional (for zero crossing time determination)
<< 1 µs
with every half-wave (10 ms at 50 Hz)
Current, voltage, active power, reactive power, apparent power, active energy, reactive en-
ergy, apparent energy, fundamental wave power and energy, cos φ, frequency, THD, har-
monics (up to 63rd harmonic), power quality factor
0.3 % relative to full scale value (U/I)
0.6 % calculated values (see documentation)
corresponding to AC:
400 V
(UL
-N) or 690 V
(UL
rms
X
rms
520 V
(UL
-N) or 897 V
(UL
rms
X
rms
common reference potential N/GND
max. time for voltages above 500 V
or 863 V
(UL
-UL
): t
< 10s *
rms
x
y
max
max. ±736 V (peak value, UL
X
max. ±1270 V (peak value, UL
24 bits
typ. 1,5 MΩ
corresponding to AC:
100 mA
;1 A
(default); 5 A
rms
rms
rms
recommended via measuring transformer x A AC/1 A AC
2.25 A (peak value, corresponds to 1.59 A
9.6 A (peak value, corresponds to 6.8 A
max. ±10 A peak value, corresponds to 7 A
max. total current (I1+I2+I3+IN) ±20 A peak value, corresponds to 14 A
60 A (sinusoidal) for 1 second, upstream use of current-limiting current transformers recom-
mended
< ±0.5% of full scale value for current measurement
typ. 3 mΩ
15 ... 400 Hz
4000 Hz
4500 V
260 mA typ.
approx. 100 g
approx. 27 mm x 100 mm x 70 mm (width aligned: 24 mm)
on 35 mm mounting rail according to EN 60715
0°C ... +55°C
-25°C ... +85°C
95 % no condensation
conforms to EN 60068-2-6 / EN 60068-2-27
conforms to EN 61000-6-2/EN 61000-6-4
IP20/any
CE
Version: 1.5
-UL
) (TN-system: 600 V
)
X
Y
rms
-UL
)
X
Y
(UL
-N)
rms
X
-N, corresponds to 520 V
or
rms)
-UL
, corresponds to 897 V
X
Y
rms
) or.
rms
)
rms
* per channel and
rms
Product overview
)*
*
rms
21

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