Under Over Voltage Control Relay Module 12V FREE SHIPPING YC5

A very handy under and or over voltage relay alarm for a wide range of applications, could be used to disconnect a load from a solar battery situation to prevent over discharge damage to batteries,

Features Voltmeter function Alarm state Audible indication, BLUE alarm LED as well as contact open /closure NO/NC Power indicator LED RED 10 Amp contact rating at 30 Vdc to 250 Vac Low power consumption

Specifications: Measurement voltage 00.0 to 99.9 V Module supply voltage 10 to 16 V dc Quiescent current 23 mA Overall Size : approx. 60 x 40 x 14 mm (L x W x H) Main Color : Blue, Black, red led Weight : 28 g

Power up the module with 10 - 16Vdc RED power LED will light. Onboard beeper will sound, disable temporarily by removing jumper next to Blue status LED. Set low voltage alarm level - Press button K1 LHS digit flashes. Use K2 to increase value and K3 to decrease value. ( Volts x 10) Push K1 again and middle digit flashes. Use K2 and K3 again to increase and decrease value. ( Volts x 1) Push K1 again and set the last digit in the same way ( Volts x 00.1V) allowing 00.0V to 99.9V low voltage alarm to be set. Fourth 5th and 6th push of K1 allows the HIGH voltage alarm level to be set in a similar way , again 00.0V to 99.9 V one more push of K1 and its set to run

example Set LOW voltage to 09.5 V and HIGH to 15.8 V,

When the sample voltage fed in on the IN terminal goes below 9.5V or above 15.8V the relay will energize closing its contacts as well as the beeper sounding (if jumper on) In normal run state the the voltage being measured ( IN ) is shown on the LED display.

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