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my courses / fundamentals 3/4 / electromagnetism (mlr) / mlr: electrical - electromagnetism (mlr) check for un fundamentals 3/4 highlight any text to hear text - to - voice speech. select language powered by google translate mlr: electrical - electromagnetism (mlr) check for understanding electromagnetism (mlr) check for understanding 2 of 10 what are the control pins in a typical relay? pins 30 and 85 pins 30 and 87 pins 85 and 86 pins 85 and 87a
In a typical automotive-style relay, pins 85 and 86 are the control pins that connect to the low-voltage circuit which activates the relay's electromagnet. Pins 30, 87, and 87A are the power/switching pins for the high-voltage circuit.
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Pins 85 and 86