Device containing fusible link that protects electrical circuit from over current condition only
Types of Fuses
- Cartridge Fuse
- Constructed with zinc or alloy fusible element
- Enclosed in cylindrical tube
- Element ends attached to metallic contact piece at ends of tube
- Normally used on circuits rated between 250 volts and 600 volts
- Maximum continuous current-carrying capacity of 600 amps
- Plug Fuse
- Consists of zinc or alloy strip
- Fusible element enclosed in porcelain housing
- Screw base
- Normally used on circuits rated at 125V or less to ground
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