OSD80

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OSD80 is designed for the protection of low voltage systems such as lighting, heating, ventilation and air conditioning installations, off-street parking areas, and other small buildings. It is a type of over-current protection device that is used in low voltage electrical circuits, providing short-circuit over-current protection and protection against accidental overloads. The OSD80 fuses are designed for use in place of conventional fuse links and are suitable for use in all types of applications where electrical fuse protection is needed.

The OSD80 fuse is composed of a Robicon FL90-type fuse element and is housed in a glass tube. The fused element is inserted in the fuseholders with its circuit connected to the wire via a metal sleeve or contact. The contact provides a positive connection with the element and also improves the contact pressure when a contact spring is used. The metal sleeve acts as a spring and allows the fuse element to move slightly within the holder during the assembly process.

The working principle of the OSD80 is based on the current-limiting effect of the fuse element when tripped by an over-current. When the fuse element is subjected to an excessive current in excess of its continuous rated current, the fuse element will heat up and melt due to the increased load. The molten element will create an open circuit, thereby breaking the electrical connection between the power source and the protected circuit.

In order to ensure reliable and effective operation, it is important to observe certain safety precautions when fusing circuits with the OSD80. The fuse should be inserted into the correct fuseholder with its circuit connected to the wire using the appropriate contact. The fuse should then be placed in a suitable fuseholder and checked for electrical continuity. It is also important to ensure that the fuse value is rated correctly for the equipment to be protected.

OSD80 is suitable for a variety of applications, including lighting, heating, ventilation and air conditioning installations, off-street parking areas, and other small buildings. It provides short-circuit over-current protection and protection against accidental overloads. It is a reliable and easy to install protection device that will ensure the safety of your electrical systems.

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