RHEF070-AP Circuit Protection

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PTC Resettable Fuses provide a range of protection for electrical equipment and systems. RHEF070-AP is a PTC Resettable Fuses used in AC power control applications, such as plate current limiting and high-voltage protection. This resettable fuse is designed to detect and interrupt overcurrent conditions.

RHEF070-AP is designed as a normally closed device, so the current only flows when the device is closed. Its structure is composed of a ceramic body and two metal contacts. In the normal state, current will pass through the device, and the heat generated will increase the temperature of the chip. If the temperature reaches the thermal trip point, the temperature sensitive chip will trip and move the contacts inside the device, increasing the resistance to keep the current from flowing.

RHEF070-AP is mainly used in AC power protection and control applications. It can limit the current output of the load, and can also be used to protect high voltage lines. It can also protect power lines and control circuits in the event of an overload or short circuit. When an overload or short circuit occurs, it will immediately cut off the current across the entire circuit and disconnect the whole circuit, preventing the circuit and load from being damaged by over current. When the abnormal condition is removed, the chip will reset itself and turn on the circuit again.

RHEF070-AP has several advantages over traditional fuses. They are more reliable because they can reset automatically, and have a long operational life because they don’t need to be replaced when they trip. They also require less maintenance because of their self-reset capability. They are also cost-effective because of their relatively low cost and high efficiency.

RHEF070-AP is a robust and reliable device. In addition to its AC power control applications, it can also be used in other applications such as DC motors, high voltage systems and audio equipment. It is easy to install and configure, so it is a great choice for system designers who need reliable protection in their electrical systems.

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