Letter Ti

Timing Relay

A control relay that incorporates a preset delay in contact
response. Some timing relays begin the time delay when the
relay is energized. Others begin the time delay when the relay
is de-energized.

Torque

A turning or twisting force. Since torque is expressed as a force
times the length of the radius at which the force is measured,
torque is represented in compound units such as pound-feet
(lb.-ft.)



Totally Enclosed Fan Cooled (TEFC )A motor enclosure type that restricts the flow of air into or out of the motor, but uses a fan to blow air over the
motor’s exterior.


Totally Enclosed Non-ventilated (TENV) A motor enclosure type that restricts the flow of air into or out of the motor. Because there are no ventilating openings, all
heat generated by the motor must be dissipated by conduction
through the encl