
17
P1 Panelboards • Quick reference for selection and application
Distributor Stock
Type P1 Panelboards
Product Category UPB
Miscellaneous Parts and Accessories
Catalog # Description
BK1 Bonding Kit for 250A max. Original P1 Panels
BK1A Bonding Kit for 250A max. Revised P1 Panels
BK2 Bonding kit for S1/S2 400 & 600
BK3 Bonding kit
IMK1 Interior Adjusting Kit
11-1824-01 Directory Card Holder
12-1110-01
Directory Card
11-1056-01 NEMA Instruction Book
NBK03
Number Strips 1–42. Stick-on type;
Use w/ P1 series Panels
NBK04
Number Strips 43–84. Stick-on type;
Use w/ P1 series Panels
NBK05
Number Strips 85–126. Stick-on type;
Use w/ P1 series Panels
NBK06
Number Strips 127–168. Stick-on type;
Use w/ P1 series Panels
EGK AL Ground Bus 44 Connections
ECGK CU Ground Bus 44 Connections
IGK Insulated AL Ground Bus
ICGK Insulated CU Ground Bus
EWK1 End Wall Kit with Knockouts (20" W x 5.75" DP)
EWK2 End Wall Kit with Knockouts (24" W x 7.75" DP)
EBF1 NEB/HEB Filler Plate
P1SCRWS Package of 42 breaker mounting screws for P1
DFFP1
1" Branch circuit filler plate (suitable for replacing
QF3 in P1 thru P5 Panelboards and Switchboards)
P1CONBPHCU
Connector kit – 6 pcs. B-phase Copper
P1CONBPHAL
Connector kit – 6 pcs. B-phase Aluminum
P1CONACPHCU
Connector kit – 6 pcs. A or C-phase Copper
P1CONACPHAL
Connector kit – 6 pcs. A or C-phase Aluminum
Lug Kits — Main or Feed Thru
Breaker Mounting Kits — Main or Subfeed Strap Kit w/o Breaker
Ampere
Rating Breaker Types Service
Original P1
Catalog
Number
Revised P1
Catalog
Number
100A BQD 3-Phase MBKBC3
Use Back-fed
Main Label
Kit # MBKBFA
b
(includes Neutral
Lug, "MAIN" label
and instructions)
100A BL, BLH, HBL
1-Phase MBKBL1
3-Phase MBKBL3
125A NGB, HGB, LGB
1-Phase MBKNB1
3-Phase MBKNB3
125A ED4, ED6, HED4, HED6
1-Phase MBKED1 MBKED1A
3-Phase MBKED3 MBKED3A
225A QJ2, QJH2, QJ2-H
1-Phase MBKQJ1 MBKQJ1A
3-Phase MBKQJ3 MBKQJ3A
250A FXD6, FD6, HFD6, HFXD6
1-Phase MBKFD1 MBKFD1A
3-Phase MBKFD3 MBKFD3A
400A
JXD2, JD6, JXD6,
HJD6, HJXD6
1-Phase MBKJD1 MBKJD1A
3-Phase MBKJD3 MBKJD3A
400 amp kit is for main only — not allowed for subfeed breaker.
b
Back-fed main occupies branch space.
Copper Neutral Lug Kits — 250A
Number
of Circuits Description
Original P1
Catalog
Number
Revised P1
Catalog
Number
18
2 or 4 Branch Neutral Strips,
1 Main Neutral Lug, Hardware
CNKL18 Use 30 ckt kit
30 CNKL30 CNLK30A
42 CNKL42 CNLK42A
54, 66 — CNLK54A
2/0 Neutral Lug Kits — 250A and 400A
18
2 or 4 Branch Neutral Strips,
1 Main Neutral Lug, Hardware
— Use 30 ckt kit
30 — LNLK30A
42 — LNLK42A
54, 66 — LNLK54A
200% Neutral Lug Kits/250A
18
2 or 4 Branch Neutral Strips,
1 Main Neutral Lug, Hardware
2NLK18 Use 30 ckt kit
30 2NLK30 2NLK30A
42 2NLK42 2NLK42A
54, 66 — 2NLK54A
200% Neutral Lug Kits/400A
18
2 or 4 Branch Neutral Strips, 1 Main
600MCM Neutral Lug, Hardware
42NLK18 Use 30 ckt kit
30 42NLK30 42NLK30A
42 42NLK42 42NLK42A
54, 66 — 42NLK54A
Replacement Parts Only
MBKQJ3A
MBKFD3A
Amp
Rating Matl.
Wire Range
(includes Neutral) Service
Original
Catalog
Number
Revised P1
Catalog
Number
250
AL
(1) #6 AWG-
350 kcmil (CU or AL)
1 Phase MLKA1 MLKA1A
3 Phase MLKA3 MLKA3A
CU
(1) #6 AWG-
350 kcmil (CU or AL)
1 Phase MLKC1 MLKC1A
3 Phase MLKC3 MLKC3A
400
AL
(2) 1/0 - 250 kcmil
or (1) #2 AWG-600 kcmil
1 Phase 4MLKA1 4MLKA1A
3 Phase 4MLKA3 4MLKA3A
CU
(2) 1/0 - 4/0
or (1) 1/0 - 600 kcmil
1 Phase 4MLKC1 4MLKC1A
3 Phase 4MLKC3 4MLKC3A
400 AL
AL 1/0-750 kcmil
(max. 600 kcmil CU wire)
1 Phase – 4MLKA1B
3 Phase – 4MLKA3B
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