Beckhoff EL34 Series Documentation page 20

Product overview
EL3443-00xx
Technical data EL3443-0000
Number of inputs 3 x current, 3 x voltage
Technology 3-phase power measurement
Oversampling factor –
Distributed clocks Optional (for determining the zero crossing time)
Activation 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~ (ULX-N: max. 277 V AC; max 240 V DC)
Measuring current max. 1 A (AC/DC),
via measuring transform-
ers x A/1 A
Measuring error 0.3% relative to the full scale value (U/I),
0.6% calculated values (see documentation)
Threshold frequency 3000 Hz
Electrical isolation 2500 V
Update time mains-synchronous
Current consumption –
power contacts
Current consumption via typ. 120 mA
E-bus
Special features Single-phase operation possible, mains monitoring functionality, precise voltage zero crossing determina-
tion
Weight approx. 75 g
Dimensions (W x H x D) approx. 15 mm x 100 mm x 70 mm (width aligned: 12 mm)
Mounting on 35 mm mounting rail according to EN 60715
Permissible ambient tem- -25°C ... +60°C (extended temperature range)
perature range during op-
eration
Permissible ambient tem- -40°C ... +85°C
perature range during
storage
Relative humidity 95 % no condensation
Vibration / shock resis- conforms to EN 60068-2-6 / EN 60068-2-27
tance
EMC immunity / emission conforms to EN 61000-6-2/EN 61000-6-4
Protect. class / installation IP20/any
pos.
Approvals CE
20
EL3443-0010 EL3443-0011
max. 5 A (AC/DC), max. 100 mA (AC/DC),
via measuring transform- via measuring transform-
ers x A/5 A ers x A/5 A
Version: 1.5
EL3443-0013
max. 333 mV (AC/DC),
via measuring transform-
ers x A/333 mV
EL34xx