KRPA-11DY-48

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The KRPA-11DY-48 is a power relay with a breaking capacity of over 2 Amps. It is designed for use in various electrical applications. Its primary function is to open or close circuits with an electrical current higher than that of a typical electromechanical relay.

The KRPA-11DY-48 is made up of several components, which work together to operate the relay. At the core of the relay is a solenoid, which is an electrically operated device. An electric current through the solenoid creates a magnetic field. The magnetic field exerts a force on the movable contact of the relay, switching the current running through the circuit.

To ensure the continuous operation of the relay, a contact spring is mounted on the movable contact. This spring helps maintain uniform contact pressure between the contacts, even if the circuit is subject to fluctuations in voltage or current. The spring also helps reduce arcing between the contacts, as it is positioned between them, thus preventing a spark from jumping across them.

The KRPA-11DY-48 also contains a reverse protection circuit, which is designed to protect the relay from the effects of surge voltages or current overloads. This circuit works by detecting such a condition and opening or closing the contact accordingly. It also has a built in timer, which allows for a delay of between 0.2 to 25 seconds before the contact is opened or closed.

The KRPA-11DY-48 also includes a voltage spike suppressor, which helps prevent voltage spikes from occurring. Voltage spikes can occur when the contacts open or close, creating a sudden surge of electricity that could otherwise damage the relay and other components connected to the circuit. The suppressor circuit reduces this surge and ensures that the relay continues to operate safely.

The KRPA-11DY-48 is a versatile power relay that can be used in a variety of applications. It can be used in motor control, HVAC, and various other industrial automation applications. As its breaking capacity is over 2 Amps, it is suitable for use in circuits running higher current. Furthermore, its reverse protection circuit and voltage spike suppressor make it the ideal choice for applications which are subject to fluctuating voltage and current conditions.

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