Specifications

78
Circuit Breaker A device that can be used to open or close a circuit manually and
also opens a circuit automatically when it senses an overcurrent.
O
N
O
F
F
l
O
100
100
Am
p
Type/Tipo
NEG
Fra
m
e-
EG
Closed-Loop Control A control technique that compares a feedback signal
representative of an actual value with a desired value and
responds to minimize the error.
Set Point
(Desired Value)
Control Device Process
Feedback
(Actual Value)
+
-
Transmitter Sensor
Controller
Conductor A material that permits electrons to easily move through it.
Copper, silver, and aluminum are examples of materials that are
good conductors. Also used generically to refer to a wire, cable,
or bus bar that is made from a conducting material.
Insulator
Conductor
Contactor Often refers to a device with large contacts that close when
current is applied to its electromagnet; however, solid state
contactors are also available. Contactors are used to control the
power applied to motors, lights, or heating components.
Control Circuit
Power Circuit
Power Circuit
Armature
Spring
Coil
Electromagnet
Stationary Contacts
Movable Contacts