True: Semi enclosed: Can replace with wrong size wire, Cartridge Fuses: Small, Cartridge Fuses: Don't really deteriorate with age , Semi enclosed: Low cost to replace fuse element , Cartridge Fuses: Accurate current rating, BS88-2:2010: Rating is very accurate, Circuit Breaker: Can provide discrimination, BS88-2:2010: Can distinguish between persistent fault and an inrush current, BS88-2:2010: Reliable , Circuit Breaker: Tripping characteristics set by installer , Semi enclosed: Simple to check if blown, BS88-2:2010: Expensive , Circuit Breaker: Difficult to interfere with, BS88-2:2010: Operation very quick, Cartridge Fuses: Can be shorted with foil, Semi enclosed: No moving parts, Semi enclosed: Deteriorate over time, Circuit Breaker: Quick to restore , Cartridge Fuses: No moving parts, Circuit Breaker: Contain moving parts , False: Semi-Enclosed: Can break large fault currents, Circuit Breaker: Difficult to set to the right rating, Cartridge Fuses: Difficult to short, BS88-2:2010: Mechanical moving parts, Circuit Breaker: Easy to interfere with , Semi-Enclosed: Difficult to check if blown, Cartridge Fuses: Inaccurate current rating , BS88-2:2010: Unreliable at break larger currents, Circuit Breaker: Provides no discrimination, Cartridge Fuses: Easily break large fault currents , BS88-2:2010: Cheap , Semi-Enclosed: Circuit can be quickly restored, Cartridge Fuses: Large size, Circuit Breaker: No moving parts, BS88-2:2010: Operates slowly , Cartridge Fuses: Less expensive than rewireable , Semi-Enclosed: Has moving parts , BS88-2:2010: Inaccurate rating, Semi-Enclosed: High cost to replace fuse element, Circuit Breaker: Difficult to reset after a fault,

Protective Devices True or False

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?