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Showing Results For: Non-Latching Relays
Non-Latching Relays
What are Non-Latching Relays?
Non-latching relays are available in consistently normally closed positions regardless of power supply. When current flows via the relay's coil, the relay can be automated and switched to a normally open position and continuously remain open, even when the current is applied. Non-latching relay is a standard mechanical relay, and it needs a continuous current in the winding to remain in its contact position.
Applications
Latching relays are very efficient, but their variety of applications is limited. However, non-latching relays can be employed in any automation or electronic application. Non-latching relays can be used in a variety of settings, such as home appliances, car engines, industrial gear, and telecommunications and medical devices.
When choosing a relay, it is essential to consider several specifications to ensure it is fit for its purpose; some factors include:
Coil Voltage
The needed voltage to activate the switching mechanism. If a voltage is severe, this could impair the components; if it is too low, then it will not activate.
Contact Configuration
This is the state the connections are in without power. For example, SPST, single pole single throw.
Contact Material
The relay connections are available in various materials that have certain characteristics. Typical materials are gold, silver, tin oxide, and nickel.
Coil Power
The amount of energy (watts) the coil functions at. This must be compatible with the power in the circuit for the pre-defined functions.
Coil resistance
The number of obstacles (ohms) in the circuit that the coil ensures.
What is the difference between latching and non-latching relays?
A key distinction between the two types of relays is that a latching relay will stay in the position it was in when it was last energized, but a non-latching relay returns to its default position. Each additional form of relay is therefore suited for a variety of applications. A non-latching mechanical relay must have a constant current flowing through the winding to maintain its contact position.
How latching and non-latching relays work?
Without a power source, non-latching relays remain permanently in the normally closed (NC) position. The relay changes to the normally open (NO) state when power is provided and stays there while power is applied. The non-latching relay returns to its static NC position once the power is turned off. As a result, they make great choices for push-button applications such as buttons on keyboards and micro-controllers. Bible relays, sometimes referred to as latching relays, don't need continual power to keep their contacts closed. They provide numerous benefits in terms of use and electrical energy conservation in return.
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