下载
0213 Page 1 of 24 Reorder #3148
Quik-Spec
™
Coordination Panelboard
Application Notes
™
Contents
Section Page
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Feature/Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Panelboard Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-4
Selective Coordination Made Easy . . . . . . . . . . . . . . . . . . . . . .5
Comparison: Traditional Fusible Branch Panelboards . . . . . . . . .6
Comparison: Molded-Case Circuit Breaker Panelboards . . . . .6-7
Short-Circuit Current Ratings . . . . . . . . . . . . . . . . . . . . . . .8-11
Comparison: Selectively Coordinated Fuse or
Circuit Breaker System Alternatives . . . . . . . . . . . . . . . . .12-13
Alternatives for Selective Coordination . . . . . . . . . . . . . . . . . .13
How to Achieve Selective Coordination . . . . . . . . . . . . . . .14-17
Why Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Misconceptions About Fuses & Circuit Breakers . . . . . . . . . . .19
Application Information and Fuse Sizing Guidelines . . . . . .20-23
