S505-1-R

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Fuses are a very important part of any electrical system. Fuses provide protection from overcurrents and are used in many applications. One such fuse is the S505-1-R. This fuse is a fixed-time-delay fuse, which means it is designed to open the circuit after a predetermined amount of time when it is exposed to a sustained overcurrent. S505-1-R fuses are made of metal-oxide material, have an operating voltage of 250VAC, and have a 0.35A to 7.25A current rating.

S505-1-R fuses are used in a variety of applications, such as in AC motor control circuits, automotive circuits, and air conditioning systems. These fuses are designed to operate when the current exceeds 0.35A, and they will open to protect the circuit from further damage. The fuses provide quick protection, and they can handle short-term overcurrents of up to 7.25A.

The S505-1-R fuse also has a unique feature that makes it an ideal choice for certain applications. The S505-1-R uses a patented time-delay mechanism to ensure the fuse does not open prematurely during short-term overcurrents. This patented mechanism is designed to open the fuse when the sustained overcurrent exceeds the current rating of the fuse for a period of time, greater than the delay time of the fuse. This feature makes this type of fuse particularly adapted to applications such as AC motor control circuits, which can have a high inrush current that the fuse must diminish before it opens.

The working principle of the S505-1-R fuse is relatively simple. When current passes through the fuse, the metal-oxide material heats up and eventually melts. This will open the circuit, thus protecting the rest of the system from damage caused by the overcurrent. The delay time allows the fuse to differentiate between a normal surge of current and a significant overcurrent that could damage the system.

In summary, the S505-1-R fuse is a fixed-time-delay fuse made of metal-oxide material. It has a current rating of 0.35A to 7.25A, and it is used in a variety of applications. The unique time-delay feature ensures the fuse does not open prematurely during short-term overcurrents. The working principle of the S505-1-R is quite simple, as it will open the circuit when the metal-oxide material heats up and melts due to an overcurrent.

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