Transcription of Protective Devices: Fuses & Circuit Breakers
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Protective Devices: Fuses & Circuit Breakers
Power system Protection Part IV Tawfeeq Lazim 97 Power system Protection Protective Devices: Fuses & Circuit Breakers Mohammed Tawfeeq Lazim Alzuhairi Power system Protection Part IV Tawfeeq Lazim 08 Fuses 1. Low voltage Fuses The fuse is the oldest device used to protect electrical circuits and equipments against overload and short circuits. The fuse can have many forms and shapes depending on its application. Its rating can start from few mA to several kA. Type of Fuses : Depending on the fuse current rating, the Fuses can be one of the following types for low voltage applications: 1- Semi - enclosed Fuse (Rewirable) 2- Cartridge Fuse. 3- High Rupturing Capacity ( ) or High Breaking Capacity ( ) Fuses .
Protective Devices: Fuses & Circuit Breakers The Circuit Breakers 1.Low Voltage Circuit breakers . A 2 pole MCB A circuit breaker is an automatically-operated electrical switch designed to protect an electrical circuit from damage caused by overload or …
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