EL3443 - Technical data

Number of inputs

3 x current, 3 x voltage

Technology

3-phase power measurement

Special feature

-

factory calibrated with calibration certificate

Oversampling factor

–

Activation interval

one mains period (20 ms at 50 Hz)

Internal sampling rate

approx. 9.7 ksps (per channel)

Sampling type

simultaneously across all channels

Ground reference

single-ended

Update time

mains-synchronous

Special features

single-phase operation possible, mains monitoring functionality, precise voltage zero crossing determination

Measured values

Current, voltage, active power, reactive power, apparent power, active energy, reactive energy, apparent energy, cos φ, frequency, THD, harmonics (up to the 40th harmonic), power quality factor (PowerQualityFactor)

Measuring voltage

max. 480 V AC 3~ (UL_X-N: max. 277 V AC; max. 240 V DC)

Measuring current

max. 1 A (AC/DC),
via measuring transformer x A/1 A

max. 5 A (AC/DC),
via measuring transformer x A/5 A

max. 100 mA (AC/DC),
via measuring transformer x A/100 mA

max. 333 mV (AC/DC),
via measuring transformer x A/333 mV

max. 1 A (AC/DC),
via measuring transformer x A/1 A

Measuring procedure

true RMS value calculation

Measuring error

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

Frequency range

0 (direct current) and 12 … 400 Hz

Cut-off frequency

3000 Hz

Electrical isolation

2500 V

Update time

mains-synchronous

Electrical isolation

2500 V

Current consumption Power contacts

–

Current consumption via E-bus

120 mA typ.

Configuration

via TwinCAT System Manager

Distributed clocks

Optional (for determining the zero crossing time)

Permissible ambient temperature range during operation

-25 °C ... +60 °C

0 °C ... +55 °C

-25 °C ... +60 °C

Permissible ambient temperature range during storage

-40 °C ... +85 °C

-25 °C ... +85 °C

-40 °C ... +85 °C

Relative humidity

95% no condensation

Weight

approx. 75 g

Dimensions (W x H x D)

approx. 15 mm x 100 mm x 70 mm (width aligned: 12 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