ECNR3.5

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Electrical specialty fuses have been instrumental in providing protection for wires and electrical connections in electrical systems for many decades. The ECNR3.5 is a new generation of fuses that offers superior protection and a wide range of applications. This article will discuss the application fields and working principles of the ECNR3.5.

The ECNR3.5 is a fast-acting fuse designed for low voltage applications that require extreme circuit protection. It is ideal for general low-voltage circuits, such as household and commercial lighting, air conditioning, refrigeration, heating, solar energy systems, and electric motors. The fuse is also suitable for use in applications such as electric fencing, fire alarms, and machine safety systems.

The ECNR3.5 has a 200A current rating and a maximum voltage rating of 250V. It is UL Recognized and CSA Certified and is designed to provide optimum performance in all kinds of subzero, low-load, and short-circuit conditions. The fuse features a bright, easy to read dial that indicates whether the fuse has blown or not. This feature allows for easy inspection and maintenance.

The working principle of the ECNR3.5 is fairly simple. When the circuit is energized, a current flows through the fuse and creates localized heat on the fuse\'s surface. If the current exceeds the rated amperage of the fuse, the fuse\'s metal becomes heated to a point where it begins to melt. This flow of heat then interrupts the circuit\'s current flow, thus preventing damage to the protected electrical connection or equipment.

The ECNR3.5 has a unique dual sensing approach that provides robust protection for all types of applications. The first stage of protection is the overheating thermostat, which determines the intensity of the thermal effect in the fuse. This thermostat works by sampling the temperature of the fuse body and cutting off the overcurrent if the temperature rises above the set level. The second stage of protection is the short-circuit current monitoring circuit. This circuit monitors the current in the short-circuit path and shuts off the overcurrent if the current exceeds the set value.

The ECNR3.5 fuse is designed to provide superior performance in all kinds of electrical circuits, especially those with low-load and short-circuit conditions. Its dual sensing approach offers maximum protection and reliability. In addition, its bright, easy to read dial makes it easy to inspect and maintain. The ECNR3.5 is an excellent choice for all types of low-voltage applications.

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