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Electronic engineering
Electronic engineering is an engineering discipline focused on the design, fabrication, testing and operation of circuits, electronic components, devices, and systems.
Industry: Engineering
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Electronic engineering
dc undervoltage relay
Engineering; Electronic engineering
A relay or relay circuit that is actuated as a result of the dc voltage dropping below a specified level. Compare dc overvoltage relay.
annunciation relay
Engineering; Electronic engineering
A relay that indicates whether or not a circuit is carrying current.
directional power relay
Engineering; Electronic engineering
A relay that is actuated when the monitored power reaches a prescribed level in a given direction.
delay relay
Engineering; Electronic engineering
A relay that opens or closes at the end of a predetermined time interval.
armature relay
Engineering; Electronic engineering
A relay that uses an electromagnet to pull a lever toward or away from a set of fixed contacts.
ac directional overcurrent relay
Engineering; Electronic engineering
A relay that works on a specific value of alternating overcurrent that is rectified for a desired polarity.
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