Beckhoff EL34 Series - Page 20

Product overview
EL34xx20 Version: 1.5
EL3443-00xx
Technical data EL3443-0000 EL3443-0010 EL3443-0011 EL3443-0013
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
max. 5 A (AC/DC),
via measuring transform-
ers x A/5 A
max. 100 mA (AC/DC),
via measuring transform-
ers x A/5 A
max. 333 mV (AC/DC),
via measuring transform-
ers x A/333 mV
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
E-bus
typ. 120mA
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-
perature range during op-
eration
-25°C ... +60°C (extended temperature range)
Permissible ambient tem-
perature range during
storage
-40°C ... +85°C
Relative humidity 95% no condensation
Vibration/shock resis-
tance
conforms to EN60068-2-6 / EN60068-2-27
EMC immunity/emission conforms to EN61000-6-2/EN 61000-6-4
Protect. class / installation
pos.
IP20/any
Approvals CE