Nccer Electrical Level 3 Module 11
Questions And Answers With Verified
Solutions 100% Correct!!!
contactors without overload protection may be used to control -
ANSWER✔✔noniductive loads
relay contacts that are defined a being normally open have contacts that are -
ANSWER✔✔open when the relay coil is deenergizrd
the voltage level at which the armature spring of a power relay overcomes the
magnetic field of the cops causing the contacts to change state is called the -
ANSWER✔✔drop out voltage
iec-rated contactors and motor starters perform the same functions as equivalent
nema rated contactors and motor starters, but are usually
- ANSWER✔✔more application sensitivr
when replacing the contacts of a magnetic contactor, you must replace -
ANSWER✔✔all moving and stationary contacts for all poles
overload protection for motors is provided by - ANSWER✔✔am overload relay
which of the following is the nema-rated class for the fastest trip time of an
overload relay - ANSWER✔✔class 10
the thermal units for overload relays should always be selected based on the motor
- ANSWER✔✔nameplate full load current
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