C22G20

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C22G20 is a low-voltage fuse used mainly in motor protection and switchgear control applications. It is suitable for use in either residential or industrial single-phase or three-phase installations, allowing users to use the same type of fuse for both single- and three-phase applications. To prevent current overload, it is designed for protection against overloads on DC or AC circuits.

The C22G20 fuse features a dual element design, which consists of a main current-carrying element and an additional auxiliary element. The main element is designed to open in the event of a short circuit, while the auxiliary element acts as a means of protection against sustained overloads. The C22G20 fuse is designed to provide reliable protection for motors, as well as applications connected to switchgear panels.

The rating of the C22G20 fuse is 20A and it is designed to open when the current exceeds the rated current for 3-5 seconds. The fuse is designed to open in the event of a sustained or transient current overload, and it is also designed to reseat after momentary surges. The fuse can be installed in any orientation, but it must be installed in accordance with the manufacturer’s instructions.

The C22G20 fuse contains two contacts and an arc runner for short-circuit protection. The arc runner serves to slow down the rate of secondary arc generation during a short-circuit event, while the contacts serve to ensure that the current is interrupted in case of a sustained overload. An external indicator is incorporated in the design of the C22G20 fuse, allowing users to easily determine when the fuse has opened. The fuse is protected with a transparent cover, helping to protect the contacts and arc runner from dirt and other foreign matter.

When used in applications such as motor protection, the C22G20 fuse ensures that the motor is protected against current overloads. In the event of a short-circuit, the fuse quickly opens to limit any potential damage to the motor. It is also designed to protect switchgear from overloads, as it will open when the current exceeds the rating of the fuse.

The C22G20 fuse is also designed to provide protection against high-frequency transients. This is achieved by utilising specialised components to absorb the energy of the transient and prevent it from reaching the motor or switchgear. As such, the C22G20 fuse is an ideal choice for applications which are likely to be subjected to transients or surges.

In conclusion, the C22G20 fuse is suitable for use in multiple applications, including but not limited to motor protection, switchgear control and protection against transients and surges. It is important to ensure that the fuse is installed in accordance with the manufacturer’s instructions, and that it is tested regularly to ensure that it is providing the appropriate level of protection.

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