SPP-4E400

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Part Status:	Obsolete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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SPP-4E400 Electrical, Specialty Fuses Application Field and Working Principle

SPP-4E400 electrical, specialty fuses are an ideal choice in the protection of low-voltage power systems and electronic circuits. The SPP-4E400 has been designed for use in medium and high traction applications and offers reliable and economical circuit protection for a wide range of equipment.The SPP-4E400 is a low and medium current special purpose fuse which complies with the relevant standards - IEC60269-1 up to 1600A - and features an operating current rating of 4A. The fuse has two distinct elements: an anode and a cathode. When a current passes through the SPP-4E400 fuse, the actuating element melts and the two metals re-establish the circuit, allowing it to be protected.The SPP-4E400 provides high-speed and motor control applications with a reliable and dependable protection solution. It provides protection against overloads and shorts. It can be used in applications ranging from motor starters, soft start circuit breakers, transformers, generators, and wind turbines to VRLA batteries, rectifiers, photovoltaic energy systems, and critical-load transfer systems.The fuse operates in two specific ways, depending on the amount of current flowing through it:• The first type is known as an over current cut off which happens when an abnormal increase in current occurs. The fuse opens when the current exceeds the set-point of the anode. This prevents destruction of components.• The second type is known as an under current cut off which happens when a current drop occurs. The fuse closes when the current drops below the set-point of the cathode. This restores the power to the system.The suitability of the SPP-4E400 in protecting against electrical fault is ensured by its pre-selection of opening currents. The fuse is available in both high-speed and motor control applications, and for both single and three-pole circuit protection.The selection of the SPP-4E400 for protection of an electrical system is mainly based on the maximum operating current, worst-case protection requirement, and operating temperature. The fuse is usually sized to fit the short-circuit current of the electrical system. Its high current rating provides an effective protection to the most demanding applications.The SPP-4E400 provides protection to electrical systems without reducing the available power or safety of the operation. This ensures consistent, reliable and efficient protection for your equipment. Furthermore, the fuse can easily be replaced due to its clear identification and clear markings.Overall, the SPP-4E400 electrical, specialty fuses are reliable products that provide efficient protection to various electrical components and systems. They are designed and rated for use in medium and high-traction applications. In addition, the fuse offers excellent protection against overloads and shorts. Furthermore, the fuse is easy to identify and replace, and is available in a wide range of current ratings.

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