It is placed in the motor circuit in such a way that the current to the motor flows through its poles. The bimetallic strip gets heated up by the current directly or indirectly and when the current flow exceeds the set value it bends.
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Thermal overload relay connection diagram.
Thermal overload relay wiring diagram. Although there are several types of overload relays available in the market however the most frequent type of relay is the. Thermal overload relay wiring diagram wiring diagram for motor starter valid wiring diagram direct line starter new thermal overload relay. The overload relay working function is discussed below. A wiring diagram is usually utilized to fix problems and to make certain that the connections have actually been made and that whatever is present. A thermal overload relay works on the heat produced by the excessive overload current the heat produced by the overload current is utilized to trip the motor circuit.
I hope you will find this article informative and helpful. Contactor wiring and i hope after this post you will be able to wire a 3 phase motor i also published a post about 3 phase motor wiring with magnetic contactor and thermal overload relay but today post and contactor wiring diagram is too simple and easy to learn. Its is important to. 2 days ago i wired 380 to 440 volts contactor for a 3 phase motor and save these images of contactor in pc. The wiring diagram of an overload relay is shown below and the connections of an overload relay symbol may seem like two opposite question marks otherwise like s symbol. Collection of thermal overload relay wiring diagram.
Hi friends in this article i am talking about thermal overload relay working principle and its function in a dol starter. Thermal overload relay. Overload relay connection diagram. Click on the image to enlarge and then save it to your computer by right clicking on the image. A thermal overload relay works in the principle of electro thermal properties in a bimetallic strip.
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