Series:	Semitron™ SPP
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Fuse Type:	--
Operating Temperature:	--
Mounting Type:	Holder
Package / Case:	Fuse Link
Size / Dimension:	--

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Electrical, Specialty Fuses

SPP-7E1100 is a special type of fuse designed to protect cable feeds within various electrical applications, optimal for areas that are prone to short-circuiting. These devices provide an intrincate level of protection due to their ability to cut off circuit signals in case of an electrical overload. SPP-7E1100s are not only more reliable and efficient than mechanical circuit breakers, but they are also far better at pinpointing a short in the line rather than providing a connection-wide reset.

Applications

The SPP-7E1100 is ideal for residential and commercial applications, where the excess of electrical current flow needs to managed safely. As it works with nominal currents of 10A - 32A, it is especially suitable for installations that involve direct current in the range from 15 to 20A, such as single-phase heaters, air conditioners, electric motors, solenoids, electrical lighting systems and many similar devices.

Design & Working Principle

The SPP-7E1100 consists of two elements enclosed within a sheath, one made of a conductive metal and the other containing an insulating material. A fuse has two main objectives: monitoring the current flow and cutting off the current once it passes beyond the nominal value.When the load is turned on, the current flows through the fusible element and warms it. The temperature component of a fuse is extremely important and is carefully managed to attain the best possible operation. As the current flows, the temperature of the element increases as the electric energy is converted to thermal energy, which causes the insulating material to expand. This expanding force is directed towards an opening on the end of the fuse, acting like a pressure release valve. The fusible element warms up very quickly, and if the current surpasses the nominal value, the strong expanding force will cut off the circuit and break the connection. The material used to create the fuse is specifically dimensioned to increase resistance when reaching its melting point, adjusting the speed at which the fuse travels between its normal and over current levels. Moreover, the design of the SPP-7E1100 helps to reduce the effects of impedance by evenly spreading the heat exposure on the device throughout the entirety of its sheath.

Conclusion

The SPP-7E1100 is a fuse specifically designed to handle the electrical overloads that occur in residential and commercial applications. Thanks to its precise design and precise engineering, the SPP-7E1100 is able to monitor current flow and cut off circuits if they pass beyond their nominal values. By keeping electrical currents at an optimal level, they lock down the safety and security of installations and devices within a variety of settings.

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