(Solved): 1. What is a seal-in circuit? 2. How are reed switch sensors actuated? 3. a. Draw a schematic for ...

1. What is a seal-in circuit? 2. How are reed switch sensors actuated? 3. a. Draw a schematic for an across-the-line AC magnetic motor starter b. With reference to this schematic, explain the function of each of the following parts: i. Main contact $$\mathrm{M}$$ ii. Control contact $$M$$ iii. Starter coil M iv. OL relay coils v. OL relay contact