Power Relays, Over 2 Amps

A power relay is a type of switch that is controlled by another electrical circuit to control electrical power. The power relays have an electromechanical contact, which is connected to the external load. The main advantage of power relays is that they can switch high currents with low power and are very reliable. They are usually used to control motors, lights, and other large loads that require a lot of power.

2834355 Application Field

Power relays are used in a wide variety of applications, including electric motor control and automation control. They are also used in industrial process control and distribution systems. In addition, they can be used in emergency brake systems in cars, trucks, and other vehicles. In medical applications, power relays are commonly used to switch on lights, oxygen, and medical equipment in hospitals.

Working Principle

Power relays are electrically operated switches, meaning that they are actuated by an electric current. The relay has two circuits, the control circuit and the load circuit. The control circuit has two terminals, the input and the output. When a voltage is applied to the input, it causes an electromagnet to be energized and the contact arm switch is activated. When the relay is activated, the contact arm switches from the normally open position to the normally closed position, and the load circuit is switched on or off.

The contact arm switch is also called a “throw” switch. When the power relay is initially energized, the contact arm is in the normally closed position; when the power relay is then de-energized, the contact arm returns to the normally open position. This switch type is referred to as a “make-before-break”, meaning that when the power relay is activated, the contact arm switches from the normally closed position to the normally open position before the load is turned on or off.

Power relays come in many different sizes and shapes, depending on their application. Some relays are designed for high voltage applications, while others are designed for low voltage. They can also be designed for a variety of switching times and power ratings, depending on their purpose.

Power relays are used in many different types of applications, in both commercial and industrial settings. They are reliable, and offer a wide variety of features that make them an ideal choice for control and automation control systems. With their versatile design and features, power relays are the perfect solution for controlling electrical power.