Contactors are equipped with contacts intended to connect high current loads to the power line; these large contacts are called ____________________ contacts.
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The double acting push button has two terminal screws.
The double acting push button has two terminal screws.
The conductor size, fuse or circuit breaker size, and overlo…
The conductor size, fuse or circuit breaker size, and overload size are generally determined using the ____________________ CodeĀ® and/or local codes.
Some motors can draw up to 600 percent of rated full load cu…
Some motors can draw up to 600 percent of rated full load current during starting.
Fuses and circuit breakers are generally employed for ______…
Fuses and circuit breakers are generally employed for ____________________ protection.
Auxiliary contacts are intended to control large amounts of…
Auxiliary contacts are intended to control large amounts of current.
One of the main considerations when installing a machine is…
One of the main considerations when installing a machine is the power source.
The movable contact of the normally open held closed switch…
The movable contact of the normally open held closed switch is drawn below the stationary contact.
Thermal overload relays trip faster when located in a cool a…
Thermal overload relays trip faster when located in a cool area than in a warm area.
One common use for the normally open set of contacts on an o…
One common use for the normally open set of contacts on an overload relay is to provide an input signal to a programmable logic controller (PLC).