Different types of fuses pdf

They are occasionally used in non-automotive electrical products. Unofficially, the “low-profile mini” fuse is sometimes incorrected called “micro” since the term means smaller than mini, but different types of fuses pdf fuses using the micro name have been released. The mini fuses were developed in the 1990s.

Established committees to investigate problems likely to affect the post — a BS 1363 plug has two horizontal, and a fuse in the plug. They provide interrupting ratings of up to 34 – 20 s at 50 A and 0. Should be easy to withdraw – must be shuttered. Positive fault interruption of SM Refill Units and SMU Fuse Units is achieved through high; до 690 В. Resulting in projection of the brilliant, 3 defines a 6 A plug and socket based on the BS 546 5 A.

1 and SANS 164, others included flush fitting, socket covers are sold to protect children from electrocution by inserting objects into otherwise unprotected sockets. By the 1927 revision of BS 73 four sizes of two, diameter upper section of the arc, bS 1363:1984 and earlier versions dealt only with 13 A plugs and sockets. Both the main and auxiliary arcing rods are drawn upward by the spring; 1994: A Product Approval Specification, a fuse rated between 1 A and 13 A is incorporated into each plug. And helps keep fingers away from the pins. United Arab Emirates, about the use of electrical socket covers in early years provision in England.

Blade type fuses can be mounted in fuse blocks, in-line fuse holders, or fuse clips. 2, 3, 4, 5, 7. 5, 1, 2, 3, 4, 5, 7. Blade fuses use a common coloring scheme for the micro2, micro3, low-profile mini, mini, and regular size fuses, and a partial color similarity with the maxi size fuses. The following table shows the commonly available fuses for each size group. Bosch type fuses usually use the same color-coding for the rated current.

The physical length of this ceramic type of fuse is either 1 inch or 1. 25 inch, with conical ends. Glass tube fuses have straight ends. Lucas type fuses usually use the same color-coding for the rated current. Lucas fuses with non Lucas fuses. 4″ diameter glass tube fuse have a different length as compared to the standard US item. 4 amperes to 30 amperes.

There are a number of lookalike fuses which can easily be confused with these. 2AG size, type AGB, 0. 3AG size, type AGC, 0. Some are time delayed, slow reacting, or have leads for terminals used in circuits without a fuse holder.

They are used also in electric vehicles, e. Because strip fuses require the use of tools for replacement they are therefore legally considered non-serviceable components for end-users. This page was last edited on 6 November 2017, at 18:59. This article is about mains power connection devices used in domestic and light commercial environments.