REV
DESCRIPTION
BY
----
--
DATE
--/--
-
----
--
-
----
--
21.52
FLUSH
MOUNTING [547]
20.12
SURFACE
MOUNTING
[511]
2.50
[64]
3.00
KEYHOLE TO SUPPORT BOX
TYP
[76]
WHILE MOUNTING (2)
TYP
--/---/--
* 15.00
DIRECTORY
[381]
WIRE
MANAGEMENT
LANCES
FLUSH LOCK
(4)
A
H+.12
3
SURFACE
MOUNTING
H
BOX
MOUNTING
* 15.00
HOLES (4)
[381]
H+1.52
39
FLUSH
MOUNTING
-
.42 DIA
[11]
10.44
.25
[265]
20.00
5.75
TYPICAL BOX WITH INTERIOR
TYPICAL BOX
SIDE VIEW
[508]
TYPICAL FRONT
[6]
[146]
*FOR ENCLOSURES
CONCEALED
DOOR
HINGES
WHERE DIMENSION "H"
IS 26.00/[660], THIS
DIMENSION IS 11.00/[279]
TYPICAL MOUNTING OF
EDB OR ECB-G3 BREAKERS
7.69
3.06
1.38
[78]
[35]
15(1/2, 3/4)
TYP
[195]
3.06
6(1/2, 3/4)
[78]
CONCENTRIC KO.
CONCENTRIC KO.
1(1-1/4, 1-1/2,
2, 2-1/2, 3)
CONCENTRIC KO.
1(1/4, 1-1/2, 2
2-1/2, 3, 3-1/2)
DUAL DIMENSIONS:
CONCENTRIC KO.
MAXIMUM
MAIN LUG
AMPERE RATING
ENDWALL WITH KNOCKOUTS
(OTHER ENDWALL IS BLANK)
REFER TO DP CATALOG CLASS 1670 FOR ADDITIONAL INFORMATION
FOR NEMA TYPE 3R APPLICATIONS USE IN CONJUNCTION WITH PBA555
NF PANELBOARDS MEET THE APPLICABLE REQUIREMENTS OF UL AND CSA.
BOX: CODE GAUGE GALVANIZED STEEL. ONE ENDWALL IS BLANK,
THE OTHER HAS KNOCKOUTS.
FRONT: MONO-FLAT CONSTRUCTION WITH CONCEALED TRIM SCREWS AND
DOOR HINGES. ANSI 49 GRAY BAKED ENAMEL FINISH
ELECTRODEPOSITED OVER CLEANED PHOSPHATIZED STEEL.
LOCK: FLUSH LOCK WITH BRUSHED STAINLESS STEEL ESCUTCHEON.
NSR-251 KEY.
JOB NAME:
---
JOB LOCATION:
---
DRAWN BY:
---
ENGR:
---
DATE:
JULY 2008
DRAWING STATUS:
---
MAXIMUM
NUMBER OF
CIRCUITS
18
125
30
30
42
250
54
66
18
125 WITH
30
SUB-FEED LUGS
30
250 WITH
42
SUB-FEED LUGS
54
66
18
125 WITH
30
FEED-THRU LUGS
30
250 WITH
42
FEED-THRU LUGS
54
66
30
250 WITH
42
SUB-FEED BREAKERS
54
66
EQUIPMENT DESIGNATION:
EQUIPMENT TYPE:
DRAWING TYPE:
DWG# PBA550
INCHES
MILLIMETERS
H
IN
26.00
32.00
38.00
44.00
50.00
62.00
26.00
32.00
38.00
44.00
50.00
62.00
32.00
38.00
50.00
56.00
62.00
74.00
56.00
62.00
68.00
74.00
A
MM
660
813
965
1118
1270
1575
660
813
965
1118
1270
1575
813
965
1270
1422
1575
1880
1422
1575
1727
1880
IN
21.00
27.00
33.00
39.00
45.00
57.00
21.00
27.00
33.00
39.00
45.00
57.00
27.00
33.00
45.00
51.00
57.00
69.00
51.00
57.00
63.00
69.00
MM
533
686
838
991
1143
1448
533
686
838
991
1143
1448
686
838
1143
1295
1448
1753
1295
1448
1600
1753
---
NF 125A/250A MLO TYPE 1
---
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