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A stepping relay is a specialized kind of multi-way latching relay designed for early automatic telephone exchanges. An earth leakage circuit breaker includes a specialized latching relay. Very early computers often stored bits in a magnetically latching relay, such as ferreed or the later remreed in the 1ESS switch.


• Low power consumption due to mechanical latch for economic operation. • Relays with mixed coil specifications can be produced (e.g., AC set coil and DC reset coil). • Operational response fast enough to enable pulse signal power applications. • Ambient operating temperature: –10°C to 55°C.


Latching relays are 'bi-stable,' meaning they have two relaxed states. (These are also known as 'stay' relays.) When an electrical flow is turned off, the latching relay remains in the last state it was in. Latching relay is really a generic term that is used to describe the type of relay that maintains its position after the power is removed.


Q: What is a latching relay? A: It is a relay that is set (ON) orreset (OFF) by the input of a pulse voltage. Even after the input voltage is interrupted, this relay maintains its set or reset condition until it receives the next inverting input. It is also called a keep relay.


Latching Relays Hermetically sealed Latching Relays for Harsh Environments. An electromechanical Latching relay is an electrical switching device. Its function corresponds to a mechanical switch, which is electrically actuated Latching relays are types that remain in the last switching to which they were driven, without requiring continuous power to achieve it.


Mechanical latching unit Main dimensions mm, inches WA4 + AF09 ... AF96, NF 1-stack Description The WA4 mechanical latching unit for AF09 ... AF96 contactors and NF contactor relays ensures that the contactor or contactor relay remains switched on even if there is a lack or a failure of voltage. Standard con-


circuit. Latching relays are also desirable when the customer needs to have a relay that maintains its position during an interruption of power. There are three main types of Latching relays. Magnetic latching, Mechanical Latching and Impulse Sequencing. Magnetic Latching Relays Magnetic Latching relays require one pulse of coil power to move ...


A relay is a type of electromechanical switch used in power supplies, counting systems and many other applications. It is used to control a large current with a small current. Most relays require a small continuous voltage to stay on. A latching relay is different.


Latching Relays. The Latching Series comes prepackaged in their own NEMA 1 plastic enclosure with a 1/2″ mounting nipple, LED indicator and pre-wired for a money-saving installation that is easy and quick. These relays are activated by pulse commands from a controller. The relay contacts are mechanically latched in the closed position and the ...