AHRF1000-2 Circuit Protection

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PTC Resettable Fuses are a type of device used to protect against over-current and fault current conditions in electrical circuits. The AHRF1000-2 is a popular type of resettable fuse used in both industrial and commercial applications. It is a self-resetting type of fuse, meaning that when the current exceeds the predetermined level, the fuse will disconnect the circuit, preventing further damage. It then re-establishes the connection when the current drops below the safe level.

AHRF1000-2 can be used in low voltage, single-phase, and three-phase equipment and in a variety of applications such as motor control systems, lighting systems, and pumps. It has a wide range of current ratings from 1 A to 100 A, so it can be used in various applications. Its maximum voltage rating is 1000 V AC or DC.

The working principle of the AHRF1000-2 involves a polymeric material that is capable of absorbing energy. The material surrounds two parallel metal plates. When the current flow rises above the rated level, the material begins to heat up and absorb energy. This causes the metal plates to expand, increasing the gap between them. The increased gap is the mechanism which interrupts the circuit, thus providing the over-current protection.

Once the current flow drops below the safe value, the polymeric material cools down, allowing the metal plates to return to their original positions, restoring the circuit connection. This is the mechanism which allows the AHRF1000-2 to be reset. The device can be reset multiple times during its lifetime.

In addition to offering resettable protection, the AHRF1000-2 also provides the added advantage of suppressing voltage transients. This is due to the metal plates’ ability to absorb and dissipate energy, thus lowering high voltage spikes and surges.

The AHRF1000-2 is a rugged, reliable, and cost-effective resettable fuse which is suitable for a wide range of industrial and commercial applications. It is easy to install and maintain and offers excellent protection against over-current and fault current conditions. It is also capable of suppressing voltage transients, ensuring reliable and safe operation of connected equipment. It is a dependable and efficient solution for industry-wide fuse protection requirements.

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