EL3443 - Technical data

Number of inputs

3 x current, 3 x voltage

Special feature

-

factory calibrated with calibration certificate

Technology

3-phase power measurement

Oversampling factor

–

Internal sampling rate

approx. 9.7 kSps (per channel)

Sampling type

simultaneously across all channels

Ground reference

single ended

Distributed clocks

Optional (for determining the zero crossing time)

Update interval

one mains period (20 ms at 50 Hz)

Measured values

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

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 error

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

Measuring procedure

true RMS

Frequency range

0 (direct current) and 12 … 400 Hz

Cut-off frequency

3000 Hz

Electrical isolation

2500 V

Update time

mains-synchronous

Current consumption Power contacts

–

Current consumption via E-bus

120 mA typ.

Special features

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

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

Permissible ambient temperature range during operation

-25 °C ... +60 °C (extended temperature range)

0 °C ... +55 °C

-25 °C ... +60 °C (extended temperature range)

Permissible ambient temperature range during storage

-40 °C ... +85 °C

-25 °C ... +85 °C

-40 °C ... +85 °C

Relative humidity

95% no condensation

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/installation position

IP20/any

Marking/Approval^*)

CE, EAC, UKCA
cULus,