K81AC47

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Part Status:	Active

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Power relays are electrical switching devices that control power to other electrical circuits. They are usually used in applications where electrical power needs to be switched on and off or where the power needs to be isolated from other loads. The K81AC47 relays are designed specifically for applications that require high power over 2 amps and possess the capability to control and protect both AC and DC electrical circuits. They offer fast switching capability, with low contact resistance and current rating of up to 50A. In electrical systems, the relay is typically installed between the power source and whatever component or load the power needs to control. The power relay will then be connected to a receiving circuit, where it will become the control point for a circuit, allowing it to switch on or off with mere voltage signals when triggered by the receiving circuit. The K81AC47 relay has a built-in contactor that enables the receiving circuit to be switched as needed.The design of the K81AC47 relay includes an electro-mechanical means to control the transfer of AC or DC power from the main control point to the desired load. It is equipped with an electrically operated switch, which consists of a coil that is wound with electrical wire and a plunger that is connected to the contacts in the relay. As the voltage reaches a predetermined value, the coil causes the plunger to move, completing the circuit, which then allows electrical power to flow from the main power source to the load.The K81AC47 relay is designed for safety, featuring a two-stage cut-off capability. This allows the relay to alert the power circuit when a protected load exceeds the selected trip point and secondly, cut off the power supply. This is especially important when working with sensitive, expensive, or dangerous loads. This two-stage cutoff also prevents nuisance tripping due to minor trips.The K81AC47 is designed to be compact, making it suitable for a wide range of applications. It features a temperature-resistant polymer case and galvanized steel frame, allowing it to be installed in all kinds of environmental conditions. It also feature a screw terminals for easy installation and maintenance.The K81AC47 power relay is one of the most advantageous types of relays available. It offers fast switching capability with high current endurance, making it ideal for use with a range of power applications. It also provides advanced safety features for sensitive loads, adding an extra layer of protection. The compact design and durable construction make it perfect for a variety applications, making it an ideal choice for power engineers.

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