2JS 1-R

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Fuses are a common and important type of electrical component that provides protection from unwanted short circuits and overloads. They are used in a wide variety of applications, from household appliances to industrial machinery and complex control systems.Typically, fuses are composed of a metal strip, filament, or wire that melts when too much current is applied, thus preventing a dangerously high current from continuing to flow. The most common type of fuse used in commercial and residential circuits are Thermal-Magnetic Fuses, which combine a thermal element that detects overloads and a electromagnetic element to detect short circuits.

2JS (Joule Sector) fuses are a type of thermal-magnetic fuse that use a thermal element and magnetic element to detect overloads and short circuits. They incorporate a movable coil-spring mechanism to detect overloads. A current carrying metal strip is attached to the coil spring. When the current through the metal strip exceeds the fuse\'s ratings, the coil spring deforms, thus increasing the resistance and causing the fuse to trip. The magnetic element detects short circuits. The detection of a short circuit causes an increase in current that creates a magnetic field, which causes the coil spring to move, thereby tripping the fuse.

1-R fuses are another type of thermal-magnetic fuse. They also use a movable coil-spring mechanism, but with a much faster response time than the 2JS fuse. They incorporate a twisted metal arm that deforms when an excessive current is applied, thus tripping the fuse. The magnetic element senses a short circuit in the same way, by creating a magnetic field when thecurrent increases.

Fuses are essential in all electrical systems, as they protect against short circuits and overloads. 2JS and 1-R fuses are two types of thermal-magnetic fuses that use a thermal element and magnetic element to detect overloads and short circuits. 2JS fuses have a slower response time than 1-R fuses, but both types offer reliable overload and short circuit protection.

The specific data is subject to PDF, and the above content is for reference