MJN3C-DC6

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Power relays are a key component that plays an important role in modern industrial departments and are highly sought after on the market. When it comes to power relays whose current is larger than 2 Amps, the common options are MJN3C-DC6.

MJN3C-DC6 is designed to meet specific needs for higher current I/O with large fan-out capability. It has multiple contact form options available and a distinctive crossbar design enabling higher current switching capabilities. Its main features lie in a range of DC voltage from 5-125V, current rating from 4-24A while the biggest power for signal cases is 375W. Besides, with a wide range of operating temperatures from -13°F to 185°F, it could meet various needs.

As for MJN3C-DC6 application field, first and most, it is widely used in various motor control, where its biggest contact capacity and power rating supply can take control on one or more motors. It is also perfect for HVAC systems, providing thermal cycling that helps keep temperature in regulated ranges. Very often, MJN3C-DC6 is used for handle positions and other dynamic duties in automobile industry, such as car door, window and sunset roof position control. Lastly, it works great in constant speed winding machine to adjust the speed of the winding drum while winding.

As for its working principle, the MJN3C-DC6 consists of internal magnets, bimetallic strips, solenoids and a series of pins and springs. When it is supplied with voltage, the circuit is closed and power flows into the device. This energy then activates the internal magnets and the bimetallic strip contracts or expands in response to the changing temperature, making a circuit and triggering its integration with the controlling device. When the circuit is completed, the coils will be energized and create a magnetic field, thus, it can move the pins. What’s more, the solenoids will output an external force, and the equipment can adjust its position quickly.

Moreover, by changing the size of the bimetallic strips, the trigger temperatures can be adjusted and set up. When the temperature rises to the set point, it will close the circuit, the device will be working. When the temperature drops to the set point, the circuit will open, the device won’t work anymore.

In conclusion, the MJN3C-DC6 features a wide range of voltage and current consumption, a long lifetime and a small size package, making it a preferable power relay over 2 Amps. It functions dynamically and works efficiently in motor control, HVAC systems, vehicle operation and winding machine control.

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