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P1 Panelboards • Quick reference for selection and application
6
Application
Type P1 Panelboards
Table P1-5 - Main Lug Panel Size Selector - Revised P1
Maximum
Ampere rating
Max #
Poles
FT
Max #
Poles
NFT
Dimensions in inches (mm)
MLO Connectors
Suitable for
Unit Space
Box Height
B"
Weight in
Lbs. (kg)
FT
A
NFT
A
125
(or)
250
18 9 26 (661) 90 (41)
(1) #6 AWG - 350 kcmil
(CU or AL)
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)
400
30 15 56 (1423) 120 (55)
AL (2) 1/0 - 250 kcmil or
(1) #2 AWG - 600 kcmil
CU (2) 1/0 - 4/0 or
(1) #2 AWG - 600 kcmil
30 42
15 21 62 (1575) 135 (61)
42 54 21 27 68 (1728) 150 (68)
54 66 27 33 74 (1880) 165 (75)
Table P1-6 – Branch Circuit Breakers
Breaker
Type
Number
of Poles
Max. Interrupting Rating (kA)
Available Trip Values
120V 120/240V 240V 277V 480/277V
BL
1 10 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 70
2 10 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100
3 10 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100
BLR 2 10 15, 20, 30, 40, 50, 60, 70, 90, 100
BL, HID
1 10 15, 20, 30
2 10 15, 20, 30
BLH
1 22 15, 20, 30, 40, 50, 55, 60, 70
2 22 15, 20, 30, 40, 50, 60, 70, 90, 100
3 22 15, 20, 30, 40, 50, 60, 70, 80, 90, 100
HBL
1 65 15, 20, 30, 40, 50
2 65 15, 20, 30, 40, 50, 60, 70
3 65 15, 20, 30, 40, 50, 60, 70, 80, 90, 100
BLF
1 10 15, 20, 30
2 10 15, 20, 30, 40, 50, 60
BLHF
1 22 15, 20, 30
2 22 15, 20, 30, 40, 50, 60
BG
1
2 10 15, 20, 30
3 10 15, 20, 30
BLE
1 10 15, 20, 30
2 10 15, 20, 30, 40, 50, 60
BLEH
1 22 15, 20, 30
2 22 15, 20, 30, 40, 50, 60
BAF 1 10 15, 20
BAFH 1 22 15, 20
BQD
1 65 14 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100
2 65 14 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100
3 65 14 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100
NGB
2, 3
1 100 25 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100, 125
3
2 100 100 25 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100, 125
3
3 100 100 25 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100, 125
3
HGB
2, 3
1 100 35 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100, 125
3
2 100 100 35 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100, 125
3
3 100 100 35 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100, 125
3
LGB
2, 3
1 100 65 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100, 125
3
2 100 100 65 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100, 125
3
3 100 100 65 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100, 125
3
1
Two-pole breaker is one phase and neutral. Three-pole is two phases and neutral.
2
P1 panel with NGB/HGB/LGB branch devices will not accept BL or BQD frames in the same panel as branch devices.
3
The New Revised P1 (18 circuit 250A only) is limited to 100A per connection (200A per pair) when installing Branch Breakers across from one another.
All other configurations allow 125A per connection max. (250A per pair max.)
NOTE: BL, HBL and BQD breakers are mounted in common mountings in 3” or (6) pole increments.
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