Technical data
EL3446
Number of inputs
6 x current
Technology
6-channel distributed power measurement
Oversampling factor
–
Distributed clocks
optional (necessary for distributed power measurement)
Update interval
one mains period (20 ms at 50 Hz)
Update time
net-synchronous
Measured values
current (and with the EL3443: voltage, effective, reactive and apparent power, active, reactive and apparent energy, cos ?, frequency, THD, harmonic (up to 40th harmonic))
Measuring voltage
–
Measuring current
max. 1 A (AC/DC), via measuring transformers x A/1 A
Measuring error
0.3 % relative to full scale value (I), 0.6 % calculated values (see documentation)
Monitoring function
undercurrents/overcurrents (adjustable)
Electrical isolation
2500 V
Current consumption power contacts
–
Current consumption E-bus
typ. 120 mA
Special features
In combination with an EL3443, the EL3446 allows the measurement of real power values (for apparent, reactive and active power) via distributed power measurement.
Weight
approx. 75 g
Operating/storage temperature
0…+55 °C/-25…+85 °C
Relative humidity
95 %, no condensation
Vibration/shock resistance
conforms to EN 60068-2-6/EN 60068-2-27
