Panelboards Section 11 - ABB
—Fusible switches, W-S-865c. Application The following classifications and limitations of panelboards have been established by the Underwriters Laboratories and the National Electrical Code. Note— “an overcurrent protective device is a circuit breaker pole or single fuse”. Panelboards have no fire wall ratings. All 50/60 Hz rated.
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www.eaton.comFusible and non-fusible switches are 100% load break and load make rated The continuous load current of fusible switches is not to exceed 80% of the rating of fuses employed in other than motor circuits. Non-fusible switches are 100% fully rated Suitable for service entrance applications unless otherwise noted