5 Prominent Key Factors Describe Difference Between Contactor & Relay.
In the electrical world, the performance of contactors and relays are very productive in the market which contains a similar operation to perform the same task. As we well aware of, to enable & discharge the electrical circuit it requires switchable electric devices were Contactor & Relay exists to perform interrupt in the power supply action. As Contactor & Relay have a similar operation, eventually both have a difference in significant aspects.
Below are the important 5 factors describe the difference between Contactor & Relay.
Rated Load Capacity:-
Contactor comprises to handle more than 10A load capacity whereas the Relay is fit to use in 10A or less load capacity as it holds the same.
Open/Closed Operate:-
In the open/close operate contactor is specially designed to operate on normally open contacts but in the case of Relay, it is handy to operate on both normally open or normally closed as per the desired function needs.
Vary from Safety Precautions Features
Spring Loaded Contacts
Basically, the contactor will always carry a high load capacity, so it contains spring loaded contacts feature as safety precautions which help to make sure to break the circuit when de-energized occurs. This is a highly important feature to obtain because in high load situations contacts can weld themselves together which as a possibility to turn as worst situations if the circuit energized while it should be in off. Spring Loaded Contacts feature is included to reduce the chance of getting circuit energized were it suppose to in off & it makes sure all the circuits are dismantled at the same time. In Relay anyway, it contains 10A or less than that so spring-loaded contacts feature have less preference.
Arc Suppression:-
In contactors there are many safety measurements, in those arc Suppression is one amongst them. Usually, Contactor carries high-load voltages or current due to this reason it carries on arc suppression. The arc will suppress when the energy can overcome the situations occur while the Magnetic Arc Suppression expand the path of an arc which extends the distance. whereas in the cases of Relay, it has less concern about arcing & arc suppressions as it holds less than 10A loads.
Overloads:-
The Final safety measurement in contactor is overload. Commonly, contactors are connected with overloads which will interrupt the circuit when the current exceeds its threshold for a set of period time. Generally time period will be 10-30 seconds. whereas the overloads are very less on relays.
The above information will help you to understand the different between the contactors and relays, which will give you a better clarification on while buy auxiliary Contactors Online or Relays Online.
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