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If there is a risk of simultaneous overvoltage on more
than one phase, it is advisable to use a separate CP-721-
FPV relay for each phase to be monitored and for each
relay to switch its own load.
power supply 150÷300 V AC
contact 1×NO
(COM connected to terminal 5)
maximum load current (AC-1) 16 A
contact activation voltage 245÷265 V/step 1 V
contact deactivation hysteresis 1÷10 V/step 0.5 V
contact activation delay 0÷999 s/step1 s
contact deactivation delay 0÷999 s/step 1 s
measurement accuracy ±1 V
display 3× segment LED 5×9 mm
power indication yellow LED
power cinsumption 0.8 W
terminal 2.5 mm² screw terminals (cord)
4.0 mm² screw terminals (wire)
tightening torque 0.5 Nm
working temperature -25÷50°C
dimensions 2 modules (35 mm)
mounting on TH-35 rail
ingress protection IP20
Technical data