Motor Control- 8 Reversing Motor Controls

NEMA and IEC recommend reversing motor connections T1 and _________________ to reverse the direction of rotation for a three-phase motor.

• T2

• T3

• L2

• L3

Two common methods used to reverse a three-phase motor are reversing magnetic motor starter and _________________ switches.

• Limit

• Pressure

• Drum

• Pushbutton

A drum switch provides a(n) __________________ method to change the direction of rotation for a motor.

• Automatic

• Switching

• Stopping

• Manual

A drum switch contains moveable contacts on an insulated ____________________.

• Actuator

• Rod

• Shaft

• Switch

Drum switches do not have _________________ protection to protect the motor.

• Overload

• Circuit

• Overdraft

• Voltage

A reversing magnetic motor starter has ________________ relay Coils.

• Two

• Three

• One

• Four

Each relay in a reversing magnetic motor starter has its own set of _____________________________.

• Controls

• Contacts

• Motors

• Limit Switches

When connecting to the reverse side of a magnetic motor starter, L1 is connected to ______________________

• L3

• L2

• T2

• T3

When connecting to the forward side of a magnetic motor starter, L2 is connected to _________________.

• L3

• L1

• T1

• T2

When connecting to the reverse side of a magnetic motor starter, L3 is connected to _____________

• T1

• T2

• T3

• L1