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A1 and A2 are control circuit to energised the magnetic coil. A1( Life ) from Switch and A2 (Neutral) from Distribution box. Am I Right?

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Q: What do terminals a1 and a2 mean on contactors?
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What wires go to what terminals on a three phase contactor?

The incoming voltage from the source goes to L1,L2 and L3 terminals. The Load connects to T1, T2, and T3. The coil voltage goes to A1 and A2. The stop ,start circuit is in series with the N.C. contacts on the contactors overload block. Usually numbered 95 and 96.


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The mean of the numbers a1, a2, ..., an is equal to (a1 + a2 + ..., + an)/n. This number is used mostly as the average. It is called the arithmetic mean.


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The simplest and best way is: =A1+A2 You could also do it any of the following ways: =SUM(A1:A2) =SUM(A1,A2) =SUM(A1+A2) =SUBTOTAL(9,A1,A2)


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What is the formula to find the sum of cells a1 a2 and a3 in excel?

Excel formulas that will find the average of cells A1, A2, and A4 are: =AVERAGE(A1 ,A2, A4) or =AVERAGE(A1:A2, A4)


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There is no cell A1A2. What you may mean is A1:A2 which refers to the range consisting of cell A1 and cell A2.


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a1?

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