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Square D > On-line Catalog > Products > Panelboards > Series Ratings : I-Line Panelboards

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Series Ratings

I-Line® Panelboards

Class 2110

Maximum System Voltage AC
Max. Short Circuit Current
Rating
(RMS Symm.)
Maximum Amperage
120/240 1Ø 208Y/120
FH, KA, KH, LA, LH, MA, MH, MX, PG, HD, HG, HJ, HL, JD, JG, JJ, JL
FA( 3 POLE ONLY ) FH,FC,KA,KH,KC,LA,LH,LC,MA,MH, MX,NA,NC,NX,PG,PJ,PL
FH, FC, HD, HG, HJ, HL, JD, JG, JJ, JL KH, KC, LA, LH, LC, MA, MH, MX, NC, NX, PG, PJ, PL
FH, FC, KA, KH, KC, LA, LH, LC, MA, MH, MX, NA, NC, NX, PG, PJ, PL
FH,FC, KH, KC, LA, LH, LC, MA, MH, MX, NA, NC, NX, PG, PJ, PL
FA, FH, FC, HJ, HL, JJ, JL, KA, KH, KC, LA, LH, LC, MA, MH, MX, NA, NC, NX, PG, PJ, PL
FA, FH, FC, HJ, HL, JJ, JL, KA, KH, KC, LA, LH, MA, MH, MX, NA, NC, NX
FC, KA, KH, KC, LA, LH, LC, MA, MH, MX, MG, MJ, NA, NC, NX, PG, PJ, PL
KA, KH, KC, LA, LH, MA, MH, MX, MG, MJ, NA, NC, NX, PG, PJ, PL
*
The fuse used in this UL test is an envelope (umbrella) fuse. This fuse is designed as a “worst case’’ fuse. Thus, no matter what manufacturer’s fuse is used, the Square D circuit breaker is protected.
The line side fused switch may be in a separate enclosure, or in the same enclosure as the loadside circuit breaker. A line side fused switch may be a submain, integral main, or remote main. A load side circuit breaker may be a branch, submain, or an integral main used on the load side of a remote main. This series combination short circuit current rating shall not exceed that of the line side fused switch. The charts apply to Square D Company load side circuit breakers only. However, the line side fuse ratings are independent of the fuse manufacturer.
Limiters used in Square D DSL and DSL II fused power circuit breakers are not class L fuses and do not have series ratings.

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Release Date: 03/31/2007
Modification Date: 10/27/2008