Panelboard and Switchboards Series Rating Information Manual

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Panelboard and Switchboards

Series Rating Information ManualInformation Manual

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Style 1C96944H02 Rev. H For more information visit: www.eaton.com

Series Rating —Panelboards andSwitchboards

Effective: January 2008 Page 3

Applying Series Ratings

The following is provided to use the series rating tableson the following pages:

Step 1.Determine the available system voltage and faultcurrent.

Step 2. Select the appropriate table using the system voltage.

Step 3.Use the appropriate “Series Equipment Rating”column equal to, or greater than, the available faultcurrent, to determine the allowable UL recognizedcombinations of main (upstream) and branch (down-stream) overcurrent devices. Main devices are shownin bold/shaded areas. Respective branch breakers areshown directly below their associated main device.If a rating is not initially found in a column, firstlook to the columns to the right for higher “SeriesEquipment Ratings” within the same table. If stillnot found, use ratings from table of a higher systemvoltage (higher numbered table).

Example 1:208Y/120 volt, 3-phase, 4-wire, ac system with availablefault current of 26,438 amperes. Main (upstream) deviceis a 3-pole, 225 ampere, EDS breaker. The branch (down-stream) breakers are single- and 2-pole, 20, 30 and 60amperes, 120 volt and 120/240 volt BAB breakers.

1. Go to the 120/240 volts table (Table 1).

2. Look down under the 22 kA column. This rating isnot shown.

3. Look to the columns to the right. This combinationrating is shown under the 42 kA column, and thereforeis valid.

Example 2:

480Y/277 volt, 3-phase, 4-wire, ac system with available faultcurrent of 62,097 amperes. Main (upstream) device is a 3-pole250 ampere, HJD breaker. The branch (downstream) break-ers are 2- and 3-pole, 60, 70 and 100 ampere EHD breakers.

1. Go to the 480Y/277 volts table (Table 4).

2. Look down under the 65 kA column. This rating isnot shown.

3. Look to the columns to the right. This rating is notshown.

4. Look at the table with the next higher system voltage.(480 volts, Table 5).

5. This combination rating is shown under the 65 kAcolumn, and therefore is valid.

Example 3:480Y/277 volt, 3-phase, 4-wire, ac system with availablefault current of 24,324 amperes. Main (upstream) device isa 3-pole, 225 ampere, FD breaker. The branch (downstream)breakers are single-pole, 20 ampere, GHQ; 2-pole, 30ampere, GHB; and 3-pole, 50 ampere, GHB devices.

1. Go to the 480Y/277 volts table (Table 4).

2. Look under the 25 kA column. This rating is not shown.Look to the columns to the right. This rating is shownunder the 35 kA column, and therefore is valid forcombinations with the 2- and 3-pole GHB breakers.

3. Go to the 277 volts table (Table 3).

4. Look under the 25 kA column. This rating is not shown.Look to the columns to the right. This rating is shownunder the 35 kA column, and therefore is validfor combinations with the single-pole GHQ breaker.

Other Applications of Series Ratings

Series ratings can also be applied under the followingguidelines:

■ Any FULLY RATED breaker can be applied upstream,downstream or in the middle of any of the series ratingsstated in the tables.

■ Any series rating stated in the tables may have additionalseries rated branch breakers of the EXACT SAME TYPEfurther downstream in that rating.

COMBINING SERIES RATINGS are allowed under certainconditions. Main and branch ratings may be combined if:

■ Breakers A, B and C are in series respectively frommain to branch. Breakers A and B series rate together.Breakers A and C series rate at the same interrupting level(or higher). It is allowable to use A, B and C together at

the A-B series rating.

It is improper to combine series ratings under the followingcondition:

■ Breakers A, B and C are in series respectively from mainto branch. Breakers A and B series rate together. BreakersB and C series rate at the Breaker B interrupting ratinglevel. It is not allowable to use A, B and C together at theA-B series rating. However, combining multiple overcur-rent devices as in this example, can be accomplished if all devices in the series combination have been testedtogether and listed in triple rating Table 13.

Note: The information contained in this manual also applies tospecifying the upstream overcurrent protective device for use withthrough-feed and sub-feed panelboards without an integral main.



For more information visit: www.eaton.com Style 1C96944H02 Rev. H


Page 4 Effective: January 2008

Series Rating Tables

Table 1. 120/240 Volts ac — Breaker/Breaker Series Ratings

Main devices are shown centered at top, in shaded area. Respective branch devices shown directly below.

MainBreaker

MaximumAmperes

Series Equipment Rating — kA Symmetrical

18 22 42 65 100 200

100 EHD QBHW GB, GHB FB-P FCL

BA, BABBABRPBABRSPHQPQBGFQBAFQBAG

QPHW BA, BABBABRPBABRSPHQPQBGFQPGFQBAFQBAGQBHWQPHW

BA, BABBABRPBABRSPHQPQBGFQPGFQBAFQBAGQBHWQPHWEHDFD

BA, BABBABRPBABRSPHQPQBGFQPGFQBAFQBAGQBHWQPHWGB, GHBGHQEHDFDHFD

BA, BABHQPQBGFQPGFQBAFQBAG

125 EGH

GHQ, GHB

150 FDB

BA, BABHQPQBGFQBAFQBAG

200 LA-P

BA, BABHQPQBHWQPHWEHDFD

225 EDB EDS ED, FD, FDE EDH, CHH HFD, HFDE FDC FDC

BA, BABBABRP

BABRSPHQPQBGFQPGFQBHGFQPHGFQBHWQPHWQBAFQBAG

BA, BABBABRP

BABRSPHQPQBGFQPGFQBHGFQPHGFQBHWQPHWQBAFQBAG

BA, BABBABRP

BABRSPHQPQBGFQPGFQBAFQBAGQBHWQBHGF

BA, BABBABRP

BABRSPHQPQBGFQPGFQBAFQBAG

BA, BABHQP

QBGFQBAFQBAGQBHWQPHWQBHGFGB, GHBGHQ, GHQRSPEHDFD, EGS

BA, BABHQP

QBHWQPHW

GB, GHBGHQ

GHQRSPEHDFDHFDEGSEGH






Table 2. 240 Volts ac — Breaker/Breaker — Series Ratings

For single- and 2-pole 120/240 volt rated breakers (BA, BAB, HQP, QBHW, QPHW), see Table 1.Main devices are shown centered at top, in shaded area. Respective branch devices shown directly below.

ᕃ Valid with BAB_H only.

MainBreakerMaximumAmperes


18 22 42 65 100 200

100 EHD QBHW_H GB, GHB FB-P FCL

BAB_HHQP_H

QPHW_H BAB_HHQP_HQBHW_HQPHW_H

BAB_HHQP_HEHDFDBFD

BAB_HHQP_HQBHW_HQPHW_HGB, GHBEHDFD, FDEFDBHFD, HFDE

BAB_HHQP_H

125 EGH

GHB

150 FDB

BAB_HHQP_H

200 LA-P

BAB_HHQP_HQBHW_HQPHW_HEHDFDBFDJD, JDB

225 EDB EDS ED FD, FDE EDH, EDC HFD, HFDE FDC FDC

HQP_HBAB_HQBHWQPHW

HQP_HBAB_HQBHWQPHW

BAB_HHQP_HQBHW_H

BAB_HHQP_HQBHW_HQPHW_HEHD (15 – 70 A)FDB

BAB_HHQP_H

BAB_HHQP_HQBHW_HQPHW_HGB, GHBEHDFDBFD, FDE

BAB_HHQP_HQBHW_HQPHW_H

GB, GHBEHDFDBFD, FDEHFD, HFDECHHᕃ

BAB_H

250 JD, JDB HJD HJD JDC JDCBAB_H (15 – 70 A)HQP_H (15 – 70 A)QBHW_HQPHW_HEHDFDB

BAB_H (15 – 70 A)HQP_H (15 – 70 A)QBHW_HQPHW_H

GB, GHBEHDFDFDBEDJD, JDBEGS


GB, GHBEHDFD, FDEFDBHFD, EDB, EDSED, HFDEEDHJD, JDBHJD, EGS, EGH






Table 2. 240 Volts ac — Breaker/Breaker — Series Ratings (Continued)

For single- and 2-pole 120/240 volt rated breakers (BA, BAB, HQP, QBHW, QPHW), see Table 1.Main devices are shown centered at top, in shaded area. Respective branch devices shown directly below.

ᕃ Valid on 2- and 3-pole breakers only. Not valid for single-pole.ᕄ Not valid with CHKD.



65 100 200

400 DK, KD, KDB HKD, CHKD KDC KDC LCLCKD QBHW_Hᕃ

QPHW_Hᕃ

GB, GHBEHDFDBFD, EDB, EDS, FDEEDJD, JDBDK, KD, KDBEGS ᕄ

QBHW_HQPHW_H

GB, GHBEHDFDBFD, FDEHFD, EDB, EDSED, HFDEEDHJD, JDBHJDDK, KD, KDBHKD

BAB_HHQP_HQBHW_HQPHW_HGB, GHBEHDFDBFD, HFD, EDB, EDSED, FDE, HFDEEDHJD, JDBHJDDK, KD, KDBHKD

BAB_HHQP_HQBHW_HQPHW_HEHDFDB

500 NB-P

JD, JDBKD, KDB, DKCKD

600 HLD, HLDB, CHLD LDC

GB ᕃ, GHB ᕃ

FD, EDB, EDSED, EHDJD, JDBKD, KDB, DK, CKDLD, LDB

EDB, EDS, EDEDH

800 NB-P HMDL

KD, KDB, DK EHDFD

1200 HND, CHND NDC

EDB, EDS, EDEHD

EDB, EDS, EDEDH

2500 RD RDC

EDB, EDS, ED EDB, EDS, EDEDH






Table 3. 277 Volts ac — Breaker/Breaker Series Ratings

Main devices are shown centered at top, in shaded area. Respective branch devices shown directly below.All ratings in this table apply to single-pole branch breakers only. For 2- and 3-pole branch breakers, see other tables.

ᕃ Not valid with FDE.ᕄ Not valid with HFDE.

Table 4. 480Y/277 Volts ac — Breaker/Breaker Series Ratings

Main devices are shown centered at top, in shaded area. Respective branch devices shown directly below.All ratings in this table apply to 2- and 3-pole branch breakers only. For single-pole branch breakers, see Table 3.



22 25 35 65 100 150

100 FCL

GHBGHQ, GHQRSPEHDFDHFD

125 EGS EGH

GHQGHB

GHQGHB

225 FD, FDE HFD, HFDE FDC

GHBGHQGHQRSPGHBGFEPᕃ

GHB, GHQRSPGHQEHDFD, GHBGFEP ᕄ

GHBEHDFDHFD

250 JD, JDB JD, JDB HJD LCL JDC

GHB GHB (15 – 50 A)GHBGFEP

GHB (15 – 50 A)EHDFDGHBGFEP

GHBS GHBEHDFDHFD

400 KD, KDB HKD KD, KDB HKD, CHKD KDC LCLCKD CHKD CKD GHB

EHDFD

GHBEHDFDHFD

GHBEHDFDHFD

GHB GHB GHB (15 – 50 A)EHDFD



22 25 35 65 100 150

100 FCL

GHB, GHQRSP

125 EGS EGH

GHB GHB


GHB, GHQRSP GHB, GHQRSP GHB

250 JD, JDB JD, JDB HJD JDC

GHB GHB (15 – 50 A) GHB GHB

400 KD, KDB HKD, CHKD KD, KDB HKD, CHKD KDC LCLCKD GHB CKD GHB (15 – 50 A) GHB GHB

GHB GHB (15 – 50 A)






Table 5. 480 Volts ac — Breaker/Breaker Series Ratings

Main devices are shown centered at top, in shaded area. Respective branch devices shown directly below.All ratings in this table apply to 2- and 3-pole branch breakers only. Not valid for single-pole branch breakers.

ᕃ Not valid with HFDE.



25 35 65 100 150

100 FB-P FCL

EHDFDBFDHFD

EHDFDBFD, FDEHFD, HFDE

200 LA-P

EHDFDBFDHFDJD, JDBHJD


EHDFDB

EHDFDBFD, FDE

EGS ᕃ

EHD, EGS, EGHFDBFD, FDE

HFD, HFDE

250 JD, JDB HJD JDC LCL

EHDFDB

EHDFDBFD, FDEJD, JDBEGS

EHD, EGS, EGHFDBFD, FDEHFD, HFDEJD, JDBHJD

FDE, HFDE

400 KD, KDB HKD KDC LA-P LCL

EHDFDB

EHDFDBFD, FDEJD, JDBKD, KDBEGS

EHD, EGS, EGHFDBFD, FDEHFD, HFDEJD, JDBHJDKD, KDBHKD

JD, JDBHJDKD, KDBHKD

EHDFDBFD, FDEHFD, HFDEFDCJD, JDBHJDKD, KDBHKD

500 NB-P

JD, JDBHJDKD, KDBHKD

600 LD, LDB HLD, HLDBCLD CHLD

JD, JDB FD, FDEJD, JDBKD, KDBLD, LDB






Table 8. 240 Volts ac — Fuse/Breaker Series Ratings

For single- and 2-pole 120/240 volt rated breakers (BA, BAB, HQP, QBHW, QPHW), see Table 7.Main fuse class shown centered at top, in shaded area. Respective branch devices shown directly below.

ᕃ Valid on 2- and 3-pole breakers only. See Table 7 for single-pole.

Table 9. 277 Volts ac Fuse/Breaker Series Ratings

Main fuse class are shown centered at top, in shaded area. Respective branch devices shown directly below.All ratings in this table apply to single-pole branch breakers only. For 2- and 3-pole branch breakers, consult other tables.

MainFuseMaximumAmperes


100 200

100 R

BAB_HHQP_HQBHW_HQPHW_HGBGHB

200 R J T R

GBGHB



GB ᕃ

GHB ᕃ

400 J T J T

BAB_HHQP_HQBHW_H

QPHW_H

BAB_HHQP_HQBHW_H

QPHW_H

GBGHB

GBGHB

4000 L

EHDFDBFD, FDEEDJD, JDBDK, KD, KDB



65 100 200

100 J T R

GHBSGHQGHQRSP

GHBSGHQGHQRSP

GHB

200 J T J T R

GHBSGHQGHQRSP

GHBSGHQGHQRSP

EHDFDHFD

EHDFDHFD

GHB

400 J T

GHB GHB






Table 10. 480Y/277 Volts ac — Fuse/Breaker Series Ratings

Main fuse class shown centered at top, in shaded area.Respective branch devices shown directly below. All ratingsin this table apply to 2- and 3-pole branch breakers only.For single-pole branch breakers, see Table 9.


Main fuse class shown centered at top, in shaded area.Respective branch devices shown directly below. All ratingsin this table apply to 2- and 3-pole branch breakers only.Not valid for single-pole branch breakers.


Main fuse class shown centered at top, in shaded area.Respective branch devices shown directly below. All ratingsin this table apply to 2- and 3-pole branch breakers only.Not valid for single-pole branch breakers.

Table 13. Triple Series Ratings

ᕃ Valid on 2- and 3-pole breakers only. Not valid for single-pole.

Cutler-Hammer is a federally registered trademark of Eaton Corporation.National Electrical Code and NEC are registered trademarks of the National FireProtection Association, Quincy, Mass. UL is a registered trademark of UnderwritersLaboratories Inc. NFPA is a registered trademark of the National Fire ProtectionAssociation.

Main

FuseMaximumAmperes


65 100 200

100 J T R

GHBS GHBS GHB

200 J T R

GHBS GHBS GHB

400 J T

GHB GHB

600 J T

EHDFD, FDEHFD, HFDEFDC

GHBEHDFD, FDEHFD, HFDEFDCJD

HJDJDC



100 200

100 R

EHD

200 J T

EHDFDHFDFDC

EHDFDHFDFDC

Main

FuseMaximumAmperes


100 200

100 R

FD, FDEHFD, HFDEFDC

200 J T R

FD, FDEHFD, HFDEFDC

FD, FDEHFD, HFDEFDC

JDHJDJDC

400 J T R

JDHJDJDC

JDHJDJDC

KDHKDKDC

600 J T

KDHKDKDC

KDHKDKDC

Main FuseClass andMaximumAmperes

Tenant MainType

BranchType

SystemVoltage

ShortCircuitSeriesRating(kA, Sym.)

L-6000 DK, KD, KDB GB, GHB, EHD ᕃ 240 100

L-6000 DK, KD, KDB GB, GHB 120/240 100

L-6000 DK, KD, KDB FD ᕃ, FDB 240 100

L-6000 DK, KD, KDB JD, JDB 240 100

L-6000 JD, JDB GB, GHB 240 100

L-6000 JD, JDB GB, GHB 120/240 100

L-6000 FD GB, GHB 240 100

L-6000 FD GB, GHB 120/240 100

L-6000 FD, FDB BAB_H, HQP_HQBHW_H, QPHW_H

240 100

L-6000 FD, FDB BA, BABHQP (15 – 70 A)

120/240 100

L-6000 EHD BAB_H, HQP_H 240 100

L-6000 EHD BA, BAB, HQP 120/240 100

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