EL3453 - Technical data

Number of inputs

4 x current, 3 x voltage

Technology

3-phase power measurement

Special feature

-

factory calibrated with calibration certificate

-

Oversampling factor

–

Internal sampling rate

approx. 9.7 ksps (per channel)

Sampling type

simultaneously across all channels

Ground reference

single-ended

Update time

with each half-wave (10 ms at 50 Hz)

Measured values

Current, voltage, active power, reactive power, apparent power, active energy, reactive energy, apparent energy, fundamental power and energy, cos φ, power factor, frequency, THD, harmonics (up to the 63rd harmonic), power quality factor (PowerQualityFactor)

Measuring error

0.3 % relative to full scale value (U/I), 0.6 % calculated values

Accuracy class according to IEC 61557-12^****)

• 0.2 Active power
• 1 Reactive power
• 0.2 Apparent power
• 0.02 Frequency
• 0.5 Current
• 0.1 Voltage
• 0.5 Power factor
• 0.2 Voltage unbalance
• 1 Voltage harmonics
• 1 Current harmonics
• 1 Voltage THD
• 1 Current THD

in preparation

Measuring procedure

true RMS value calculation

Nominal voltage range (mains voltage)

AC: 400 V_rms (UL_X-N) or 690 V_rms (UL_X-UL_Y) (TN network: 600 V_rms)

DC: 480 V with connection via L1 and L2 (or L3)

corresponding to AC:
100 V_rms (UL_X-N) for voltage transformers

Technical voltage measuring range

80-520 V_rms (UL_X-N) or 139-897 V_rms (UL_X-UL_Y) common reference potential N/GND

max. time for voltages above 500 V_rms (UL_X-N) or 863 V_rms (UL_x-UL_y): t_max < 10 s ^**)

145 V_rms (UL_X-N) common reference potential N/GND

Max. permitted overvoltage

max. ±736 V (peak value, UL_X-N, equivalent to 520 V_rms) or max. ±1270 V (peak value, UL_X-UL_Y, equivalent to 897 V_rms) ^**)

max. 300 V_rms (UL_X-N) ^**)

Internal resolution

24 bit

Input resistance voltage circuit

typ. 1.5 MΩ

Nominal current range

corresponding to AC:100 mA_rms;1 A_rms (default);
5 A_rms recommended via measuring transformer x A AC/1 A AC

Technical current measuring range

2.25 A (peak value, equivalent to 1.59 A_rms) or 9.6 A (peak value, equivalent to 6.8 A_rms)

Permissible overcurrent^**)

max. ±10 A peak value, equivalent to 7 A_rms ^**) per channel and
max. sum current (I1+I2+I3+IN) ±20 A peak value, equivalent to 14 A_rms

Short-time current carrying capacity

60 A (sinusoidal) for 1 sec., the upstream use of current-limiting current transformers is recommended

Largest short-term deviation during a specified electrical interference test

< ±0.5 % of full scale value for the current measurement

Input resistance current circuit

typ. 3 mΩ

Frequency range^***)

15 … 400 Hz

Cut-off frequency

4000 Hz

Electrical isolation

4500 V

Current consumption of power contacts

–

Current consumption via E-bus

260 mA typ.

Configuration

via TwinCAT System Manager

Distributed clocks

optional (for determining the zero crossing time)

Accuracy of Distributed Clocks

<< 1 µs

perm. ambient temp.
range during operation

-25 °C ... +60 °C

0 °C ... +55 °C

perm. ambient temp.
range during storage

-40 °C ... +85 °C

-25 °C ... +85 °C

Relative humidity

95 %, no condensation

Weight

approx. 100 g

Dimensions (W x H x D)

approx. 27 mm x 100 mm x 70 mm (width aligned: 24 mm)

Installation

on 35 mm mounting rail, conforms to EN 60715

Installation position

variable

Vibration/shock resistance

conforms to EN 60068-2-6 / EN 60068-2-27

EMC immunity/emission

conforms to EN 61000-6-2 / EN 61000-6-4

Protection rating

IP20

Marking/certification^*)

CE, EAC, UKCA, cULus