In the basic 3-wire control circuit of a 3-phase AC motor using a 3-pole electromagnetic motor -starter, two individual PB switches are required:
The use of the seal-in circuit in a 3-wire control circuit is referred to as _______________________interlock.
Alternate names for this seal-in circuit include the ________________________ circuit, the __________________________________ circuit, or the__________________ ________________ circuit.
A) auxiliary hold-in; memory; momentary
B) auxiliary hold-in; memory; maintain
C) none of the answers
D) auxiliary hold-out; memory; momentary
Show Answer
Answer:B
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