1617785-3

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Power relays, over 2 amps, are widely used in many applications due to their high reliability and capability to switch high currents. One particular power relay is the 1617785-3, which is designed for high current switching applications. In this article, the application field and working principle of this power relay will be discussed.

Application Field of 1617785-3

The 1617785-3 power relay is mainly used to switch high current loads. It is designed to control high current, typically up to 200 amps, without consuming a lot of energy. It is commonly used in industrial, automotive, home appliance and HVAC applications.

This power relay is ideally suited for motor control applications. It can be used to switch off motors, or the load circuits, automatically during a power breakdown or overload, thus providing a much-needed safety feature. It is also suitable for high current AC or DC circuits.

Working Principle of 1617785-3

The 1617785-3 relies on an electric current to activate the relay. When current flows through the coil of the power relay, a magnetic field is created which changes the position of the switch or contact of the power relay. This change in position closes the circuit, thus enabling the current to flow through the load circuit. This in turn switches on or off the power supply to the load circuit, depending on the position of the switch.

The 1617785-3 also utilizes an armature as part of its design. The armature is a moveable component that is connected to the switching mechanism of the relay. When the current flows through the coil, it acts on the armature and causes it to move from its original position. The motion of the armature is what actually activates the switching mechanism of the power relay.

In addition to the armature, the 1617785-3 also features a contactor. The contactor is responsible for completing the electrical circuit when the power relay is activated. The contactor is activated when the armature moves into position, closing the circuit and allowing the current to flow.

The 1617785-3 is a highly reliable power relay that is designed to handle high current loads. It is ideal for use in motor control applications, as it can switch off motor, or load circuits, automatically in the event of a power shutdown or overload. It also utilizes an armature and contactor to activate the relay and complete the circuit.

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