KRPA-11DG-12

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Power relays are any type of switching device used in an electrical circuit to allow or disconnect a normally open or normally closed circuit. As the name implies, power relays, such as the KRPA-11DG-12, are able to handle larger electric current and voltages, typically in the range of 2 to 3 amps. These type of relays are used in a wide variety of applications.

Application Field

Pwer relays are used in many applications, including motor relays, contact relays, time relays, and others. Motor relays may be used to control a motor’s operation, such as to turn off a motor when it reaches a certain point in its operating cycle or to protect the motor from unexpected surges of power. Contact relays are a type of programmable contact relay and are frequently used in applications that require frequent switching of multiple contacts. Time relays are used to control the amount of time an electrical circuit stays open or closed. Some other applications include using relays to start and stop motors in industrial machinery, turn on and off electrical heaters or appliances, switch between high and low voltage power supplies, and other applications.

Working Principle

The KRPA-11DG-12 is an electronic control device that consists of a set of contacts, a coil, and an armature. When power is applied to the coil, it causes the armature to move and the contacts to open or close. This type of control circuit is classed as a normally open or normally closed circuit, depending on the way the contacts are set up. The choice of relays depends on the type of application required.

Normally, current flows through the relay when the coil is energized. When the coil is not energized, it acts as an open switch. If the contacts are wired in a normally open configuration, then the contacts will open when the coil is energized, and current will not pass through the relay. If the contacts are wired in a normally closed configuration, then the contacts will close when the coil is energized, allowing current to flow through the relay.

The KRPA-11DG-12 is a double-break silver-cadmium oxide relay, meaning that the contact armature can open both sets of contacts. The contacts are mounted on a ceramic base and are specially designed to handle high current and voltage loads. The contacts are made of silver-cadmium oxide, which helps to protect the contacts from corrosion due to the large current and voltage loads passing through them.

These relays are a popular choice for industrial control applications, due to their high current and voltage handling capabilities, as well as their long life and reliable performance. The KRPA-11DG-12 is a dependable and high-performance relay and is perfect for applications that require high current and voltage needs.

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