BK1/ABC-20EX-R

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Fuses

As one of the most commonly used components, fuses play a vital role in the protection of electrical devices and circuits. Among all the fuses, the BK1/ABC-20EX-R fuse stands out because of its special application field and working principle.

Application Field

The BK1/ABC-20EX-R fuse is designed for the protection of transformers, generators, and HVAC motors. It is available with a range of fuse links from size 0.3 to 16A with optional bases to improve compatibility with existing protective systems. It can provide up to 6 times the rated current carrying capacity after installing the optional base while maintaining the same height, making it an ideal choice for larger circuits. Additionally, it also provides overload, short circuit, and ground fault protection, thereby improving the reliability of the equipment.

Working Principle

The working principle of the BK1/ABC-20EX-R fuse is based on the concept of a single element fuse, where a metal wire of a specific diameter is enclosed in copper or ceramic tubular housing. When an overload or short circuit occurs, the metal wire absorbs the heat and melts, thereby interrupting the current. The tubular housing then prevents an arc from forming and causing a fire. The fuse has an integrated overload protection system which operates independently from the primary current interruption function. This helps in protecting the circuit by detecting any dangerous current spikes and immediately tripping the current.

The BK1/ABC-20EX-R fuse is renowned for its superior performance and durability. It is designed and tested to meet all safety standards, and is resistant to extreme temperatures, moisture, shock, and vibration. It is also extremely easy to use and install and requires no special wiring or tools. In conclusion, the BK1/ABC-20EX-R fuse is an excellent choice for protecting motors, transformers, and generators.

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