1432871-1

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Power Relays, Over 2 Amps

Relays are electro-mechanical devices that allow a low-power signal to control a circuit and are used in many applications, such as door locks, security systems, lighting, and the starting systems in vehicles. 1432871-1 belongs to the class of power relays with over 2 amps current carrying ability. In this article, we will discuss the application fields of this product and its working principle.

Application Fields

The 1432871-1 power relay is often used in fields needing high currents. The rated current is 10A, and the maximum switching capacity of the single relay contact is 2400VA. It is often found in applications such as motor control, switching high current lamps, adjustable speed drives, and power supplies.

The 1432871-1 also has a good resistance to temperature and vibration, which gives it its wide range of applications in harsh environments. Its temperature range of -40°C to +125°C makes it suitable for automotive applications, and its high vibration resistance makes it suitable for medical applications. It also has a high dielectric strength and a surge voltage of up to 30A.

Working Principle

The working principle of the 1432871-1 power relay is quite simple. The primary circuit consists of a coil wound around a core and connected to a voltage source. When the voltage is switched on, a magnetic field is created around the coil. This magnetic field then opens and closes the switch, allowing or preventing the current from flowing through the secondary circuit. The current to the coil is regulated by a resistor connected to the base of the switch.

The secondary circuit consists of a normally open contact or a normally closed contact. If the coil is energized, the switch is closed and current is allowed to flow. If the coil is de-energized, the switch is opened and the current is cut off. The secondary circuit can be connected to a motor, lamp, or any other device needing on/off control.

The 1432871-1 is equipped with an LED indicator to show when the switch is in the on or off position. This LED can be used to check if there is a malfunction in the relay. The relay also has a protective diode to protect the relay from any damages caused by current backflow.

Conclusion

The 1432871-1 power relay is a versatile and reliable device used in many different applications. It has a rated current of 10A, a maximum switching capacity of 2400VA, and a temperature range of -40°C to +125°C. It is suitable for automotive and medical applications due to its high temperature and vibration resistance. The working principle is simple and can be used to control any device needing on/off control. With its LED indicator and protective diode, the 1432871-1 provides a safe and reliable solution for controlling high current devices.

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