MV155F2DBX150E

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An MV155F2DBX150E is an specialty fuse used in many areas of electrical systems. The fuse operates by providing a short circuit to a circuit breaker which trips to protect against electrical system overloads. It is a type of electrical safety device designed to prevent high current discharges from damaging or destroying sensitive electrical components.

The MV155F2DBX150E specialty fuse has a rated voltage of 600 volts AC and a rated interrupting capacity of 10 kA (RMS symmetrical). It is suitable for many medium voltage applications, such as wind turbines, uninterruptible power supplies, solar photovoltaic arrays, and high efficiency lighting systems.

The MV155F2DBX150E specialty fuse is designed to be installed either in the line side or in the load side of an electrical system. The fuse provides over-current protection and fast acting short circuit protection. It can be set to open if an excessive current flow takes place or if an arc-fault occurs. The fuse is designed to close again once the cause of the fault has been removed and the current has dropped to a safe level.

The working principle of the MV155F2DBX150E specialty fuse is simple. When an electric current passes through the fuse, it increases the temperature of a metal element known as a bimetallic strip. This strip, which is formed from two different metals, expands at different rates in response to the heat. As the strip expands, the contacts move apart and the electric current path is interrupted, thereby opening the fuse. Once the current falls below a specific level, the strip contracts and the contacts close again. Thus, the fuse serves to safely limit the amount of current passing through the circuit.

In addition to providing over-current protection, the MV155F2DBX150E specialty fuse also provides short circuit protection. This is achieved through the presence of a melting alloy in the fuse, which liquifies under high current flow, further interrupting the electric current path and preventing severe energization in the device connected to the power supply.

The MV155F2DBX150E specialty fuse is a reliable and cost effective solution for medium voltage applications, including wind turbines, uninterruptible power supplies, solar photovoltaic arrays, and high efficiency lighting systems. It is designed to provide reliable protection against current surges, arc-faults, and other electrical system faults.

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