BK/MDA-20

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The BK/MDA-20 is a type of fuse which finds wide application in many industries, ranging from electrical applications to telecommunications, automotive and mining. This fuse is mainly used to provide short circuit protection in systems where high short circuit currents and voltage levels are needed. Additionally, it is a UL listed and CSA certified fuse that can also provide lightning protection.

The BK/MDA-20 is a dual-element fuse designed to protect circuits against destructive overload and short circuit currents. It has two elements - the first is an arc gap which trips almost instantaneous action at predetermined currents. The arc gap is usually set for approximately 10 times the normal load current. The second is a current-limiting element which continues to provide protection until the current drops to a level safe to the system.

The dual-element design of the BK/MDA-20 provides superior protection against short circuit and overloads. It can be used as a circuit breaker or fuse to protect electrical equipment, circuits, machines, and other components from accidental damage and destruction. In an electrical system, it can also protect against voltage surges, which can cause large currents to flow in circuits and result in major destruction.

The working principle of the BK/MDA-20 is based on its dual-element design. When an overload or short circuit occurs, the arc gap trips and an arc is created across the gap, breaking the circuit. This creates a gap between the terminals and reduces the current. Meanwhile, the current-limiting element continues to function and limits the current to a safe level.

The BK/MDA-20 also has other features that make it useful in many applications. One such feature is its ability to be UL recognized and CSA certified. This means that it is suitable for applications in hazardous locations. It is also available in various sizes and is designed to meet different applications. Additionally, it features a wide voltage range, making it suitable for low-voltage and high-voltage applications.

The vast majority of modern applications require some sort of protection from destructive overloads and short circuits. The BK/MDA-20 is an excellent choice for providing this protection due to its dual-element design and its UL and CSA certifications. This makes it an ideal choice for high-power applications, as well as providing lightning protection for circuits.

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