JJS-10

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The JJS-10 type is an electrical specialty fuse, which is designed mainly to be used for the protection of electrical circuits and equipment against overload or short circuits caused by bad wiring or equipment damage. This type of fuse is a thermal-magnetic fuse and it works by the combination of thermal and magnetic effects.

The JJS-10 fuse provides protection by cutting off the circuit when the thermal effect or the combined effect of the thermal and magnetic effects exceed the threshold level. The thermal effect is known as time-delay and a magnetic effect as instantaneous action. The time-delay effect allows a certain amount of power to flow through the fuse before it is cut off, while the instantaneous action will cut off the power immediately when exceeded. This allows for a more precise and safe protection of electrical circuits.

The JJS-10 type is most commonly used in applications where motor starting is required, where the current drawn on startup can be much higher than normal running current. This type of fuse can be used for the protection of high-value resistive and inductive-load circuits such as motors and transformers. It is also used to protect contactors and solenoids, and for the protection of light-fixture circuits.

The JJS-10 type is designed with a variety of characteristics and features to meet the needs of specific applications. The fuse is rated by the current carrying capacity, the interrupting rating and the time-delay rating. The current carrying capacity of this type of fuse is selected based on the full-load current of the circuit. The interrupting rating is based on the maximum fault current and the time-delay rating is determined by the time required for the fuse to cut off the power when the fault current or overload is detected. The choices of fuse characteristics and ratings are based on the type of protection needed and operating conditions of the circuit.

The JJS-10 type offers several advantages such as protection to equipment and circuit from short circuits or overloads, protection from premature fuse blowout, a time-delay feature which allows for motor starting and continual performance, and high current carrying capacity. The main disadvantage of this type of fuse is that it requires frequent checking as fault conditions can cause rapid deterioration of the fuse.

The JJS-10 type is widely used in various industrial applications and it is very important to select the right fuse for the right application. It is important to select a fuse with the right interrupting rating, current carrying capacity, and time-delay rating. It is also important to install the fuse and its components in accordance with the manufacturer’s instructions to ensure proper functioning.

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