RHEF600

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PTC Resettable Fuses are specifically designed to provide reliable primary circuit protection and ensure the safe operation of electrical systems. The RHEF600 is a type of resettable fuse that is commonly used in industrial applications and offers versatile protection for various electrical systems. This article will discuss the application field and working principle of the RHEF600.

Applications

The RHEF600 resettable fuse is designed for use in a wide range of industrial applications. It can be used in both AC (alternating current) and DC (Direct current) circuits to protect against excessive current or voltage surges. For example, it can be used in automotive, medical, and telecommunications systems to protect against current overloads and short circuits. In addition, the RHEF600 fuse can be used to provide general protection for electrical control systems in industrial machinery.

The RHEF600 has also been designed to provide reliable protection for a variety of electrical sources such as batteries, generators, and transformers. It can also be used to protect against transient voltage spikes that can occur due to lightning strikes or switching on and off of load circuits. As such, the RHEF600 is suitable for use in a wide range of industrial applications where high-quality protection is required.

Working Principle

The RHEF600 resettable fuse works by initiating a rapid thermal interruption when the current passing through it reaches a predetermined level. The thermal interruption occurs because a bi-metal temperature strip inside the fuse becomes heated. The fuse consists of two parts: the bi-metal temperature strip and a copper wire. These two parts are connected in series and when the current passing through the fuse exceeds a certain level, the bi-metal strip expands and breaks the connection with the copper wire, effectively breaking the circuit and preventing further current flow.

Once the circuit has been interrupted, the RHEF600 needs to be reset. This can be done by pressing a button on the fuse which will activate a small coil located inside the fuse. The coil generates a magnetic field which causes the bi-metal strip to contract and rejoin the copper wire, thus restoring the connection and allowing the flow of current to continue.

The RHEF600 is an effective and reliable way of protecting industrial circuits and electrical systems from overloads and short circuits. It is relatively simple to install and requires minimal maintenance. Furthermore, it can be easily reset in case of an overload, making it ideal for use in various industrial applications.

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