Fuse box cartridge. A cartridge fuse that is blown might or might not be be visually obvious depending on the cartridge fuse brand and model. When you have discovered which fuse has blown replace this with a new fuse. This video is part of the heating and cooling series of training videos made to accompany my. Some cartridge fuses such as eaton cooper bussman frn r cartridge fuses are sold with an easy id window that shows a deformed line if the fuse is blown.
Browse our selection of cartridge fuses below to find the one that best meets your needs. Different types of cartridge fuse. Why use cartridge fuses. Competitive prices from the leading cartridge fuse holder fuse holders distributor.
This is the ocpd for the entire fuse box and thus all the branch circuits in the house. Littelfuse offers many cartridge fuses for use in commercial industrial automotive residential and agricultural applications. Most cartridge fuses are general purpose and feature no time delay however some heavy duty options will have a time delay features that enables motors to start up. Plug and cartridge fuses come in many shapes and sizes.
Test the fuse in the cartridge fuse tester. Many older electrical systems with fuse boxes as opposed to modern breaker boxes have two or more fuse blocks each containing two cartridge fuses. Cartridge fuses are a relatively cheap way of protecting electrical equipment from short circuits and overcurrent. Ensure the new fuse has the same amp rating as the fuse carrier requires.
I describe the use and design of the non motor load cartridge fuse. Fuse bodies may be made of ceramic glass plastic fiberglass molded mica laminates or molded compressed fibre depending on application and voltage class. Check our stock now. Our fuses come in a variety of sizes amps and volt ratings.
The newer style is an edison based socket that only allows you to screw the appropriate sized fuse in the socket in order to make the connection. If the fuse works put it back in the cartridge put the cartridge back in the fuse box and check the next cartridge. There are the older screw in fuses that were a menace simply because you could screw a 20 or 30 amp fuse into a 15 amp socket. One of the fuse blocks is the main fuse.
How it works what it is used for.