ApplicationsUsed in air conditioning units, elevator machine room,
pumps, fans and other motor control applications, as protection of
over-voltage. Under-voltage, phase failure, phase sequence and
phase unbalance. When the power supply is abnormal, turn off power
supply to protect the equipment. Features:Built-in
microprocessors, true RMS voltage measurement, voltage measurement
accuracy ≤1%.Measuring frequency 45Hz~64Hz,button setting,
LCD display voltage and fault information, protection can be turned
on or off. Check phase voltage value by button, with N-phase phase
failure protection, DIN rail mounting. Model
DescriptionFunction Setting TableParametersSetting rangeStep
amountFactory settingRemarksOver-voltage action
valueOFF-381V~500V1V437VM415OFF-221V~300V1V253VM240Over-voltage
delay0.1~20S0.1s2s Under-voltage action
value260V~379V-OFF1V323VM415150V~219V-OFF1V187VM240Under-voltage
delay0.1~20s0.1s2s Unbalance rateOFF-5%~20%1%8% Asymmetry
Delay time0.1~20s0.1s2s Phase sequence
protectionON-OFF ON Start/reset
delay0.3~30S0.1s0.3s Automatic resetON-OFF ON Note:
"ON" is protection available, "OFF" is protection
unavailable. Technical ParametersRated supply
voltageM415(3-phase 3-wire)AC200V~500VM240(3-phase
4-wire)AC125V~300VRated supply frequency50Hz/60HzVoltage
measurement error≤1% (Entire setting range)Delay
error±10%+0.1sMeasurement accuracy1%, RMSPhase failure and
phase sequence≤0.2sRated insulation voltage415VContact
configuration capacity(A)10AIP ClassIP20Class of
pollution3Electrical Life105Mechanical
life106Altitude≤2000mAllowable relative humidity≤50%(40ºC)(No
condensation)Use categoryAC-15Short circuit protector
typeRT36-00 5AContact
capacityUe/le:240V/1.5A,415V/0.95AOutput type1C/ODIN rail
StandardWidth 35mm(IEC/EN60715) Function
diagram Dimensions (mm) Model significance:ZHRV2-S/M240
LCD display voltage relay, rated working voltage 220V-230V-240VAC
(3-phase 4-wire). Over-voltage setting range: AC221V-300V,
Under-voltage setting range: AC150V-219V.
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