249A PCB Mount Fuse Holder 5x20 19mm Height With Mounting Hole Base

249A Fuse Holder With Mounting Hole Base 5x20 PCB Mount Fuse Block 250V 6.3A For 5.2x20mm Fuses

Product Description

The most used fuse clips for 5x20mm fuses

These pcb mount fuse holders are compatible with either 1-1/4" x 1/4" or 20mm x 5mm glass and ceramic fuses for overcurrent protection in electronics equipment, appliances, and lighting circuits. They're used with glass fuses for protecting low-current circuits or ceramic fuses for protecting high-current circuits. They are easy to install on the printed circuit boards.

Widely used in household appliances, electric power, telecommunications, machine tools, ships, textiles, printing, mining machinery, instruments, etc.

Drawing of the 249A 5x20 fuse holder

Common 5x20 fuse holders

KEY WORDS: FUSE HOLDER. PCB FUSE HOLDER, 5X20 FUSE HOLDER, FUSE BLOCK

5x20 glass fuses

5x20 ceramic fuses

In electronics and electrical engineering, a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit. Its essential component is a metal wire or strip that melts when too much current flows through it, thereby stopping or interrupting the current. It is a sacrificial device; once a fuse has operated it is an open circuit, and must be replaced or rewired, depending on its type.

Fuses have been used as essential safety devices from the early days of electrical engineering. Today there are thousands of different fuse designs which have specific current and voltage ratings, breaking capacity, and response times, depending on the application. The time and current operating characteristics of fuses are chosen to provide adequate protection without needless interruption. Wiring regulations usually define a maximum fuse current rating for particular circuits. Short circuits, overloading, mismatched loads, or device failure are the prime or some of the reasons for fuse operation. When a damaged live wire makes contact with a metal case that is connected to ground, a short circuit will form and the fuse will blow.

Standard Package:

2000pcs per bag, 50000pcs per carton

Shipping Term:

EXW, DDU, DDP, C&F, FOB

Shipping Methods:

International Express, By Air, By Sea

Selection of the Fuse and Holder Solution

The first step is to answer the following questions:

• Will the fuse need to accessible for replacement?
• How often will the fuse need to be replaced?
• Should the end customer of the appliance have access to change the fuse?
• Should the fuse only be accessible from outside the appliance?
• How much is available to spend on safety and reliability?