UL248 is the most authoritative and widely used safety standard for low voltage fuses in global industrial and export electrical industries. All products manufactured by EssFuse strictly follow UL248 series specifications to ensure unified electrical performance, stable safety performance and qualified market access. The UL248

Pre-arcing time and post-arcing time are core performance parameters of high-speed fuses, widely used in semiconductor protection, new energy vehicles and energy storage circuit design. Pre-arcing time refers to the time from the occurrence of overcurrent to the melting of the fuse element, which determines

Fuse holder is an important matching component of fuses. Its quality and parameters directly affect the safety and stability of the entire circuit. The core ratings of fuse holders include rated voltage and rated current. The voltage of the fuse holder must be higher than

This 150V DC ESS fuse is professionally designed for energy storage systems, battery packs and DC power distribution. As a core protection component, it effectively prevents short circuit and overload damage, ensuring the safe and stable operation of ESS equipment. Technical Parameters ItemSpecificationRated Voltage150V DCRated

In electrical and electronic systems, overcurrent and short-circuit faults are the main causes of equipment burnout, circuit damage, and even safety accidents. Fuses and supporting fuse holders are the most fundamental and critical safety protection components. Different scenarios such as civilian electronics, automotive wiring harnesses,

In different industries and special equipment, standard fuses and fuse holders often cannot fully meet design requirements. Customized solutions have become an important choice for many manufacturers. EssFuse has professional R&D and mold manufacturing capabilities, providing comprehensive OEM and ODM services for fuses and fuse

Our solar PV fuse is specially developed for photovoltaic power generation systems. It provides reliable overcurrent and short-circuit protection for solar panels, combiner boxes and inverters, widely used in residential, commercial and large-scale solar power stations worldwide. Technical Parameters ItemSpecificationRated Voltage 1000V /1500VDCRated Current1A~ 630ABreaking

I²t value is an indispensable technical index for aR semiconductor fuses, which is used to evaluate the energy bearing capacity of fuses in short-circuit protection. In actual testing, different rated current multiples correspond to different test environments. Low multiple current is used for temperature rise

This EV battery fuse is a critical safety component for new energy vehicles. It is applied to vehicle battery packs, motor controllers and high-voltage circuits, delivering instant protection against short circuit and overload during vehicle operation. Technical Parameters ItemSpecificationRated Voltage400V DC / 800V DCRated Current150A

High current fuses from 50A to 600A are widely used in industrial main power circuits, battery energy storage systems, heavy equipment, automotive power systems and high power inverter equipment. Unreasonable selection will lead to frequent fuse melting, equipment damage and even circuit safety accidents. First