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The BLR
CX range
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By the means of the measurement values of
voltage and current BLR-CX calculates
the conditions in the network. As standard
the voltage L2-L3 and the current in L1 is
used. By the means of a switchover in the
device menu also single phase measurement
can be adjusted (e.g. voltage L1-N / current
in L1) if necessary. The sensitivity of the
BLR-CX is 10mA, whereby a reliable and
accurate regulation is guaranteed. Either 1A
or 5A current transformers can be used. The
power factor regulator detects this
autonomously and it adapts to the used type
automatically. By the means of providing an
independent auxiliary voltage, and
measurement voltage, a voltage measurement
range between 50 - 530V is possible in these
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By the use of the optional fan control the
power factor relay, BLR-CX “L” can also
measure out the ambient temperature inside
the compensation system. If the temperature
exceeds an adjustable threshold the
integrated fan control relay directly
switches on any connected fan to cool down
the temperature inside the switchboard.
On the rear side, the power factor regulator
BLR-CX is equipped with a TTL interface as
standard. This interface can also be used
for diagnostic purposes. By the use of a
separate available adapter cable, this
interface is transformed to an RS232
connection that can directly be connected to
a PC. The software “WINBSTO” enables the
user to make very easy and effective
diagnostics. By this way problems can be
detected very fast and afterwards they can
be eliminated.
BLR CX / CXD range highlights
Fully-automatic c/k-value setting, self
adapting, connection of different capacitor
step sizes possible
Automatic detection and usage of the optimum
capacitor step
Switching programs: automatic, LIFO, manual
mode, combi -filter (on request)
Capable for 4-quadrant operation
1-phase measurement system also suitable for
non sinusoidal currents and voltages
Supply voltage 415/115V, 45-65Hz, other
voltages on request
Voltage measuring 50 – 530V, 45 – 65Hz
Current measuring 10mA – 5A, suitable for CT
x/1A and x/5A
Connection with cage clamps
Commissioning can be performed, without any
additional settings or programming
LED display for cos-phi and parameters
States of capacitor steps indicated via LED
Alarm relay with volt-free c/o contact. “AL”
indication for defective steps, low PF,
excess temperature
TTL-interface on back
To learn more...... Download here
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