12 V Spannungsregelung / Verzögerungsschalter / Überspannung / Unterspannungsschutzmodul
9,33 €
(A set of conversion (normally open and normally closed). Press the button of “SET” last for 3 seconds, the relay reversed. The relay will close between upper limit and lower limit. 4) After setting is completed, press the “SET” button to exit the setting state, press “ENTER” to start timing, if timing values is set with second unit, seconds values will display with countdown form.
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