SPP-6H400

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Introduction to SPP-6H400

The SPP-6H400 is a specialty grade fuse manufactured by Nippon Mallsens Electric. The fuse is rated at 6.5A with a rated voltage of 400VAC and has a current-limiting time constant of 180ms. The SPP-6H400 provides protection against the effects of short-circuit currents and overcurrents on circuits susceptible to arcing. It is ideal for use in electrical equipment including robots, valves, motors, controllers, electrical power transmission and other industrial or commercial applications.

Application Field of SPP-6H400

The SPP-6H400 is suitable for use in a range of applications due to its allows current and voltage ratings, making it suitable to handle a wide range of load currents. It can be used for overcurrent protection in electrical equipment, telecommunications, and electronic control applications. It is also suitable for overcurrent or short-circuit protection in motors, controllers, transformers, and in any equipment powered by electricity.

In addition, the SPP-6H400 is also suitable for use as a safety device in robotics, robotics controllers, logic boards, power distribution circuits, switchgear, equipment wiring systems, solar converters, and residential and commercial premises. Its short-circuit overcurrent protection helps in the protection of the equipment connected to it.

Working Principle of SPP-6H400

The SPP-6H400 works in a current-limiting mode to protect connected circuits from short-circuit overcurrents. When an overcurrent is present, the fuse begins to melt and the generated gas is compressed inside the fuse. The pressure increases and the corresponding current is reduced at a rate determined by the time constant of the fuse. The fuse then breaks the circuit once it reaches its current rating. This ensures that the current is reduced quickly in short-circuit overcurrents and eliminates excessive heat from devices and related components.

The SPP-6H400 also provides protection to components in case of an overload. The fuse senses an increase in current, melts and breaks the circuit, and releases the pressure while maintaining the voltage across the circuit. This prevents the excessive current from entering the devices connected in the circuit and prevents them from overheating.

The fuse also provides protection against short-circuit current along with other intermittent hazards that could cause damage to the equipment connected. It helps in preventing thermal runaway and limits the connected circuit to a level of current deemed safe. This helps in increasing the reliability of the equipment and ensuring its longevity.

Conclusion

The SPP-6H400 is a specialty grade fuse that provides short-circuit overcurrent protection to a range of applications. It has an excellent current-limiting time constant of 180ms and is suitable for use in equipment powered by electrical, telecommunications, and electronic control applications. The fuse also provides protection against the effects of short-circuit currents and overcurrents on circuits susceptible to arcing. It is ideal for use in robotics, controllers, motors, transformers, and any other equipment powered by electricity.

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