Identify the electrical symbol for a motor starter, a contactor, and an overload relay.

Identify the electrical symbol for a motor starter, a contactor, and an overload relay.

• A. A motor starter symbol is a simple switch.
• B. Motor starter symbol is a contactor with coil and normally open contacts; Contactor symbol; Overload relay symbol includes a thermal overload element in series with the coil.
• C. Overload relay symbol is a coil with a separate contact.
• D. All three symbols are identical.

Answer: (B)