5961-21

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Fuseholders are essential components of electrical circuitry and are used to protect a circuit against overload and short circuits, thereby ensuring a safe and reliable operation of connected appliances. The 5961-21 application field and working principle are two of the major elements that make up this important part of any electrical system.

The 5961-21 fuseholder is a single-pole Class RK5 fuseholder, used in limited switches, appliances and general-purpose circuits. It is capable of safely and effectively distributing currents up to 20A and is rated for a maximum of 600V AC/DC. This fuseholder is designed to fit within industry-standard single-pole wiring boxes. It also has a wide variety of panel cutouts and dimensions to suit various mounting configurations.

The 5961-21 fuseholder is constructed from a high-grade polymeric material for excellent performance and long life. It includes a housing, insulating cover, and contact block–all of which have passed several UL and CSA approval tests.

In terms of durability, it features a molded construction that eliminates traditional threaded fasteners and offers superior resistance to shock and vibration–all of which makes it an ideal choice for outdoor applications. It’s also designed to withstand multiple contact cycles, as well as temperature changes from -40°C to 105°C

When it comes to the working principle of the 5961-21 fuseholder, the design is relatively straightforward. The housing unit contains two contact blocks, typically mounted side-by-side. The two contact blocks are kept apart by an insulating cover that houses the class RK5 fuse in between them.

The two main working components of the 5961-21 include the shutter and the actuator. The shutter is a spring-loaded metal shutter which, when pushed, covers the contact block openings. The actuating lever can be used to open the shutter manually. This action allows the corresponding contacts to make contact with the fuse.

When an over-current occurs, the resulting heat damages or melts the fuse. The metalswitch then trips, interrupting the flow of current.The shutter covers the contact block openings to prevent accidental contact and thus, the fuseholder provides effective protection.

In conclusion, the 5961-21 application field and working principle make it the perfect choice for a wide range of power applications. This fuseholder is designed to withstand a maximum of 600V AC/DC and 20A, ensuring safe and reliable operation. Its innovative design offers superior resistance to shock, vibration and temperature change, making it ideal for both indoor and outdoor use.

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