RGEF700K

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PTC (Positive Temperature Coefficient) Resettable Fuses, often abbreviated as RGEF700K, are increasingly used in the protection of applications such as motors, household appliances, and computer equipment. Their functionality is based on a thermally activated self-resetting circuit protection unit, which senses and reacts to over current or over temperature conditions.

In normal operating conditions, the RGEF700K ensures a low-resistance path between the two terminals. When an overcurrent passes through the device, the temperature within the fuse increases. As it reaches a threshold level, the fuse trips. This limits the current and shuts the circuit off. On cooling, the fuse re-sensitises itself and the circuit is re-connected, resetting the device.

RGEF700K devices are available in many forms, such as a rectangular block with two metal terminals, an inline cylinder or a printed circuit board module. Typically the fuse consists of a thermally sensitive polymer with embedded silver electrodes and copper terminal connections. The device operates within a specified temperature and voltage range. It responds to over-current situations by activating a thermal fuse element, resulting in an open circuit. When the temperature of the element returns to its normal level, the system is reset and the circuit breaker reconnects.

An important feature of the RGEF700K is its response speed. The fuses react quickly to over-current conditions, providing reliable protection against short circuit failures. The trip point is set so that the fuse will reset immediately after the current or power is removed from the circuit. This quick response time helps to prevent further damage to the circuit.

Another advantage of using RGEF700K fuses is their ability to work with both AC and DC power. This makes them ideal for applications where both types of power sources are used. They are also well suited for applications with multiple voltage sources, where a device can be configured to work with a wide variety of input voltages.

Since they provide a self-protecting circuit, RGEF700K devices need minimal maintenance and offer a cost-effective protection solution. These fuses also offer high current ratings and are available in a variety of sizes, making them suitable for a wide range of applications. Due to these advantages, these fuses are increasingly being used in motor and automotive applications, as well as in a variety of other industries.

The RGEF700K fuses offer excellent protection against over current and over temperature conditions. This makes them ideal for applications that require reliable circuit protection. In addition, they are cost-effective, have a fast response time, and are available in a range of sizes and voltage ratings, making them suitable for a variety of applications.

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