40NHG000B-690

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Electrical, Specialty Fuses

The 40NHG000B-690 is an electrical specialty fuse designed for optimal protection of electrical and electronic devices from over current damages. This fuse belongs to the non-grip type current limiting, and has a voltage rating 600Vac/300Vdc. The base material of the fuse is made of zinc alloy with silver plating which ensures its good conductivity, corrosion resistance and durability.

The 40NHG000B-690 is mainly used for the over-current protection of low-voltage and medium-voltage power transmission equipment, DC/AC power supplies, on-board power supplies, electric motors, computers and home appliances. It features an internment arc-extinguishing chamber design and an embedded current limiting element which enhances its current limiting capability. The 40NHG000B-690 has superior anti-interference properties and excellent temperature and pressure characteristics which makes it suitable for use in harsh environments.

The 40NHG000B-690 has a time-current Characteristic (I2t) curve. It operates by detecting the excess of current when the rated current is exceeded and triggers an internal magnet. This will cause an internal fuse element to cut the power flow, which will reduce the time needed to clear the overload. In addition, this fuse also has a current-limiting overload function that can limit the maximum output current and temperature. This helps to protect downstream components from high current or temperatures caused by an over-current issue.

The working principle of the 40NHG000B-690 is simple yet effective. It basically works by detecting an over-current situation and triggering a voltage release which shuts off the power supply. When the proper current is restored, the fuse will reset itself and allow the power to flow again, thus protecting the connected components from further damage. In some cases, if the over-current situation persists, the fuse will require replacement.

The 40NHG000B-690 is a reliable and safe solution to provide circuit protection in a variety of low voltage and medium voltage applications. It is extremely versatile, with adjustable time-current selection, improved current limiting and an embedded arc-extinguishing chamber which ensures efficient current limiting capability. Furthermore, the 40NHG000B-690 also has excellent protection against vibrations and shock, making it suitable even for the most rugged of environments.

In conclusion, the 40NHG000B-690 is a reliable and efficient electrical fuse solution that offers superior protection for electrical and electronic devices. It is designed to limit the current and provide efficient arc extinguishing capability, making it perfect for use in a variety of low and medium voltage applications.

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