MJN3C-I-DC125

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Power relays are switching devices that control the low-power circuit with a higher-power circuit. Relays are typically rated by the amount of current they can switch, relating to the power they can handle. MJN3C-I-DC125 is one type of this type of relay that is capable of controlling more than 2 amps.

To understand the application field and working principle of MJN3C-I-DC125, a brief introduction about relays is first required. Relays are usually connected to low-power control signals from device control circuits, such as a low-level logic signal from a microprocessor or microcontroller circuit. When the control circuit activates the relay, the associated low-voltage switch circuit can be used to switch on or off a higher-power circuit, such as a motor or a solenoid.

The MJN3C-I-DC125 is an electromechanical relay that works according to the principle of a coil being energized by a low voltage circuit, creating a magnetic field that can switch a larger voltage at higher power. This can be used to control higher-voltage circuits, like those used in motors, appliances, lights, and fans.

The MJN3C-I-DC125 is designed for switching currents of greater than 2 amps, up to 10 amps. This allows it to be used in applications such as power control for motors, lighting, LCD displays and more. Its insulated case makes it suitable for industrial designs, while also providing a degree of protection from dust and moisture.

MJN3C-I-DC125 has an input voltage of 24-48 Volts AC/DC, and can be used with single-pole, double-throw (SPDT), double-pole, double-throw (DPDT), and triple-pole, double-throw (3PDT) switches, depending on the application. The control circuit should be driven by a 10-20mA current at 28v DC and the contacts should be able to handle up to 6000 cycles at full power.

The application field of MJN3C-I-DC125 is incredibly broad, due to its capability to control more than 2 amps, up to 10 amps. It is suitable for industrial use, home automation, building control, robotics, and other similar applications. It can also be used to control an array of loads, such as motor starters, transformers, lights, solenoids, electronic displays, and digital switches.

The working principle of MJN3C-I-DC125 is based on the flow of electricity through the coil, or solenoid. When the coil is supplied with the correct voltage, the coil creates a magnetic field, which attracts a movable piece of metal within the contacts. This movable metal piece controls the two sets of contacts inside the relay and is able to open and close the circuit.

In summary, the MJN3C-I-DC125 is an electromechanical power relay with capabilities of up to 10 amps. It is ideal for industrial, home automation, robotics and building control applications, and is easy to use with the various SPDT, DPDT and 3PDT switches that can be used with it. When the control circuit supplies the relay with a 10-20mA current at 28v DC, the magnetic field created enables the relay to switch the current on and off.

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