In three phases system, When phase sequence and phase voltage are all normal, the OUT light is turned on, relay contact is energised; When there is default phase or phase sequence errors, the OUT light is off, the relay de-energizes its contact.
Phase Failure:
When Default phase, the OUT light is off, the relay de-energizes its contact.
Phase Sequence:
When Phase sequence errors, the OUT light is off, the relay de-energizes its contact.
Voltage Asymmetry:
(asym.% ) ( fixed 40% for phase-neutral ) Phase to neutral asymmetry is fixed 40%. If asymmetry exceeds this value, the OUT light is off and the Relay de-energizes its contact. To return normal state, voltage asymmetry value must be under 15% (hysteresis).
Rated Voltage
3 phase and 1 neutral(VL-N:230Vac and VL-L:400Vac)
Operating Range
(0.8-1.2)xUn Un norminal voltage
Frequency
50/60Hz
Contact Current
Max.5A/240V
Power Consumption
<8VA
Device Protection Class
IP20
Connector Protection Class
IP00
Ambient Temperature
-5°c to +50°c
Connection Type
Suftace mounted or rail-mounted
Dimensions
36*90*60MM
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