Terminal number 87 of a five-pin ISO relay is:

A. A control circuit coil
B. Normally closed
C. Normally open
D. A common pole connection



Answer :

Final answer:

Terminal number 87 of a five-pin ISO relay is a common pole connection used to control current flow.


Explanation:

Terminal number 87 of a five-pin ISO relay corresponds to a common pole connection. In a relay, this terminal is commonly used to connect the common pole of the switching circuit. It serves as a key point for controlling the flow of current in the relay.


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