
5
P1 Panelboards • Quick reference for selection and application
Application
Type P1 Panelboards
Table P1-3 – Main Breaker Panel Size Selector – Revised P1
Max
Ampere
rating
Main
Breaker
Types
Max #
Poles
FT
1
Max #
Poles
NFT
Dimensions in inches (mm)
Unit Space Box Height
B
Weight in
Lbs. (kg)
FT
A
NFT
A
100
BL
2
, BLH
2
,
HBL
2
, BQD
2
18 – 9 26 (661) 90 (41)
18 30 9 15 32 (813) 105 (48)
30 42 15 21 38 (965) 120 (55)
42 54 21 27 44 (1118) 135 (61)
54 66 27 33 50 (1270) 150 (67)
66 – 33 – 56 (1423) 165 (73)
125
xGB
2
ED2, ED4
ED6, HED4
HED6
18 – 9 26 (661) 95 (43)
18 30 9 15 32 (813) 110 (50)
30 42 15 21 38 (965) 125 (57)
42 54 21 27 44 (1118) 140 (64)
54 66 27 33 50 (1270) 155 (71)
66 – 33 – 56 (1423) 170 (78)
225
QJ2, QJH2,
QJ2-H
18 – 9 26 (661) 95 (43)
18 30 9 15 32 (813) 110 (50)
30 42 15 21 38 (965) 125 (57)
250
FXD6, FD6,
HFD6, HFXD6
42 54 21 27 44 (1118) 140 (64)
54 66 27 33 50 (1270) 155 (71)
66 – 33 – 56 (1423) 170 (78)
400
JF6, JXD6,
HJD6,
HJXD6
– 30 – 15 56 (1423) 172 (78)
30 42 15 21 62 (1575) 190 (86)
42 54 21 27 68 (1728) 208 (95)
54 66 27 33 74 (1880) 226 (104)
Note: Main breakers use breaker connectors. For sizes, see breaker connector chart. 400 amp main breaker panel
has wire bending space for 600 kcmil cables as standard. 750 kcmil lugs may be required for 600 kcmil cable.
1
400A 66 circuit only available with non-feed thru versions.
2 BL, BLH, HBL, BQD, and xGB mount in unit space and count in max. # of poles.
Table P1-4 – Main Breaker Selection
Ampere
rating
Breaker
Types
Max. Ir (kA) at Main
Breaker
Code Additional Trip Values240 AC 480/277V AC
100
BL (STD) 10 BL 15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100
BLH 22 BH 15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100
HBL 65 HB 15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100
BQD 65 14 BQ 15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100
125
NGB (STD) 100 25 NB
3
50, 60, 70, 80, 90, 100, 110, 125
HGB 100 35 G2
3
50, 60, 70, 80, 90, 100, 110, 125
LGB 100 65 G3
3
50, 60, 70, 80, 90, 100, 110, 125
ED4 (STD) 65 25 E4 50, 60, 70, 80, 90, 100, 110, 125
HED4 42 42 H4 50, 60, 70, 80, 90, 100, 110, 125
225
QJ2 (STD) 10 QJ 60, 70, 80, 90, 100, 110, 125, 150, 175, 200, 225
QJH2 22 QH 60, 70, 80, 90, 100, 110, 125, 150, 175, 200, 225
QJ2-H 42 Q2 60, 70, 80, 90, 100, 110, 125, 150, 175, 200, 225
250
FXD6 (STD) 65 35 FX 70, 80, 90, 100, 110, 125, 150, 175, 200, 225, 250
FD6 65 35 FD 70, 80, 90, 100, 110, 125, 150, 175, 200, 225, 250
HFD6 100 65 HF 70, 80, 90, 100, 150, 175, 200, 225, 250
HFXD6 100 65 H2 70, 80, 90, 100, 110, 125, 150, 175, 200, 225, 250
400
JXD2 65 – JD 300, 400
JXD6 (STD) 65 35 JX 200, 225, 250, 300, 350, 400
JD6 65 35 J6 200, 225, 250, 300, 350, 400
HJD6 100 65 H6 200, 225, 250, 300, 350, 400
HJXD6 100 65 H5 200, 225, 250, 300, 350, 400
3
xGB interiors are not available as non-feed-thru without sub-feed space.
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