latching relay
- noun
- Specialized
:
relé de retención
- Using a latching relay, the device remained on even after the power to the coil was cut.
Examples
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A latching relay is ideal for emergency systems where power may be interrupted.
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The technician installed a latching relay to control the circuit with minimal power consumption.
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The latching relay is essential for this circuit.
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Many engineers prefer using a latching relay for its efficiency.
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A latching relay can keep the lights on during a power outage, ensuring safety and security.
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The engineer specified a latching relay for the project because it can maintain its state when power is lost.
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In the alarm system, the latching relay holds the alarms activated without needing continuous power.
Synonyms
A small electric switch that changes when you press a button and stays that way until pressed again
An electrical switch that stays in its last on or off position without power
An electrical switch that stays in the same position when power is removed
A switch that stays in one of two positions without power and changes when briefly given electricity
Surface Forms
Morphology
latching + relay
The noun is compositionally built from 'latch/ latching' (to hold or secure) + 'relay' (a switch), so it denotes a relay that 'latches' or holds its state without continuous coil power. This is a regular, literal technical compound whose meaning is directly derivable from the parts, so a B1 learner who knows the constituents can infer the sense.
Etymology
The latching relay comes from the image of a door latch that stays in place after you move it. Latching means to hold, and a relay is an electrical switch, so a latching relay 'stays' in its on or off position without power.
