3SBP 12-R

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Fuses

A fuse is a type of electrical safety device that works by fusing or melting an internal element when an over-current or overload condition is detected in a circuit. Fuses can be found in almost every type of electrical appliance, from home appliances to industrial machinery. There are a variety of fuse designs, but they all work on the same principle. Fuses provide protection against over-current, overload, short circuit, and other such hazardous conditions.

3SBP 12-R Application Field and Working Principle

The 3SBP 12-R is a type of fuse specifically designed for use in small electrical circuits. This fuse is manufactured by Siemens in Germany and is very common in machines, appliances, and other equipment. The 3SBP 12-R is a fast-acting fuse, meaning it responds quickly to an over-current or overload conditions. It is rated at 12-amp and has a voltage rating of 250vAC.

The design of the 3SBP 12-R is based on the standard design of a fuse. It consists of a connector, a semiconductor element, a set of metal contacts and an end cap. The metal contacts are made of nickel-plated brass and the endcap is made of molded plastic. The semiconductor element is the fuse element itself and is responsible for the actual opening and closing of the fuse.

The 3SBP 12-R\'s working principle is based on the principle of thermodynamics. In an electrical circuit, the current flow is interrupted when the temperature of the fuse element reaches a certain threshold. This temperature is determined by the inclusion of a thermally sensitive element (such as a bimetal strip) inside the fuse element. When the current passes through it, the element heats up and expands, causing the fuse element to open and breaking the circuit.

The 3SBP 12-R\'s application field is mainly for low voltage AC circuits found in household and industrial appliances. It can be used protect against overload and short circuits, as well as protecting against fire and other hazardous conditions. These fuses can be used in a variety of applications including motors, pumps, lighting fixtures, machine tools, air-conditioners, and general domestic appliances.

The 3SBP 12-R is a reliable and effective way to protect low voltage AC circuits. It provides fast response to over-current and overload conditions, while also providing protection against fire and other hazardous conditions. This fuse is a cost-effective and reliable solution that can be used in a variety of applications to ensure the safety of people and appliances.

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