International Library of Technology · Scranton, International Textbook Co. · leaf 318
n to see that the switch con-necting the fuse block with the dynamo is open. This fuseblock is suitable for currents up to 150 amperes at ^,500 volts,and is the type of fuse shown on the switchboard in Fig. 60.For higher pressures fuse blocks are used in which the fuseis pulled wide apart as soon… … Fig. 27. largely for alternating-current boards and also for protect-ing individual circuits on low-tension, direct-current boards.They are not as convenient or reliable as circuit-breakers,because it takes time to replace them when they blow, andonly too often they are replaced by a heavier fuse…
Electrical engineering
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.], 1902, leaf 318](https://img.insideoutlibrary.com/img/1024/ia-electricengineer03inte-318-193.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten15unit-913-487.webp)
