KRPA-11DGF-125

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The KRPA-11DGF-125 is a power relay designed for applications which require over 2 amps of current for operation. It is a type of electromechanical relay composed of a solenoid and an armature. The solenoid is a coil of wire the armature and contacts are mounted in an iron housing. The solenoid and the armature are connected by a mechanical link, which is the key part of the relay. When the solenoid is energized, a magnetic field is created that causes the armature to move, thus closing the contacts. This completes the connection with the load.

The KRPA-11DGF-125 power relay offers an economical solution for applications which require high current carrying capacities. It is designed for reliable operation in an ambient temperature from minus 25 to plus 150 degrees Celsius. It has a current rating of 11 amps for resistive load and 345 mA for an inductive load. The contact gaps are designed for a maximum of 250 volts AC and 30 volts DC. The insulation between the contacts is designed to withstand a voltage as high as 1000V AC for 60 seconds.

The most common application of the KRPA-11DGF-125 power relay is for controlling motors. The relay is used to switch on and off the motor in response to a command from a control system. This allows motors to be started, stopped and changed direction without the need for manual intervention. The relay can also be used to protect the motor from overcurrent. If the current exceeds the rated value, the contacts open and the motor is shut off. This prevents the motor and other components from being damaged due to an excessive current.

The working principle of the KRPA-11DGF-125 power relay is simple yet efficient. When the input voltage applied to the coil is switched on, a magnetic field is created which causes a mechanical link to move, thus closing the contacts. This completes the connection with the load. When the input voltage is switched off, the magnetic field disappears and the mechanical link returns to its original position, opening the contacts and disconnecting the load.

The KRPA-11DGF-125 power relay is an efficient, economical and reliable way to switch power in a variety of applications. It is designed for reliable operation in a wide range of conditions and is suitable for switching motors, protecting circuits and controlling loads which require more than 2 amps of current. The simple working principle and robust construction make it an ideal choice for applications which require the utmost reliability.

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