Power Distribution Blocks up to 420A, 600V
163 Series
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Available in 1-, 2- or 3-pole versions
Smaller package...requires 40% less panel space
than the 164 series.
Touch-safe design. Extended barriers and optional
cover to guard against accidental contact when live.
Thermoset material to withstand high heat
applications.
Wide range of input/output terminations (see page 2
for details).
Optional cover is clear with write-on surface for field
termination identification (Order part number CPDB
series).
For industrial controls, HVAC and other control
automation panel applications.
Mounting slots allow greater flexibility to fit
pre-drilled panel holes.
#4 Thread-cutting screws
assembled
163 Series Power Distribution Blocks
(Replaces Cooper Bussmann 164 Series)
Ratings:
Up to 420A, 600V
Construction:
Thermoset plastic with UL rating 160°C; ASTM rating
to 260°C.
UL 94V0.
Tin-plated aluminum connectors
Agency Information:
UL Recognized: UL E221592
General Industrial Class per UL1059
CSA Certified: CSA File 53787, Class 6228-01
Termination Options:
See page 2.
3-pole
5.20"
Optional Covers:
4.14"
Textured surface for marking
CPDB-1 (single pole) 2.10"
CPDB-2 (two pole)
3.72"
CPDB-3 (three pole) 5.34"
(Covers ordered and shipped separately.)
1-pole
1.96"
2-pole
3.58"
.31"
4.00"
3.37"
.97"
1.62"
Mtg. hole .21X.41,
c'bore .42X.62X.12 deep
3.25"
3.32"
0910 BU-SB101042
Page 1 of 2
Data Sheet 1148
7654321
7654321
INPUT/OUTPUT TERMINATION OPTIONS
Basic
Part No.
16301
16303
16306
Wire Size
Line Side
Load Side
250kcmil-#6 CU Only
350kcmil-#6 CU-AL
500kcmil-#6 CU-AL
250kcmil-#6 CU Only
350kcmil-#6 CU-AL
500kcmil-#6 CU-AL
Amps/
Pole
LINE / LOAD
255
310
380
Cross Reference/ Replacement Guide
Replaces these part numbers.
Old
Connectron Marathon Gould ILSCO
Buss No.
Series
Series Series
16302
16401, 16305
143
66
PDB
16320
144
67
16322
145
68
350CCC
69
16420, 16421
16423, 16535 350BBA
16375
16521
600CCC
16376
16425, 16431,
16520
600BBA
16378
16481
16382
16380, 16480
16390
16391
16394
16493, 16593
16395
16490
Note: Cooper Bussmann 164 Series was discontinued and
replaced by the new Cooper Bussmann 163 Series in 1996.
Contact Cooper Bussmann for a direct cross on a specific
part number.
NEW
Buss
Part No.
16303
16306
16321
16323
16370
16371
16321
2/0-#14CU, 2/0-#8AL
#4-#14CU, #4-#8AL
175
16323
16325
16330
16332
16335
350kcmil-#6CU-AL
2/0-#14CU, 2/0-#8AL
500kcmil-#6CU-AL
350kcmil-#6CU-AL
500kcmil-#6CU-AL
#4-#14CU, #4-#12AL
#4-#14CU, #4-#8AL
#2-#14CU, #2-#12AL
(3) #2-#14CU, #2-#8AL
(2) 1/0-#14CU, 1/0-#8AL
(3) #2-#14CU, #2-#8AL
(2) 1/0-#14CU, 1/0-#8AL
#4-#14CU, #4-#12AL
(6) #2-#14CU, #2-#8AL
(3) 1/0-#14CU, 1/0-#8AL
(21) #10-#14CU, #10AL
(14) #10-#14CU, #10AL
(3) 1/0-#14CU-AL
#4-#14CU, #4-#12AL
(6) #2-#14CU, #2-#8AL
(3) 1/0-#14CU, 1/0-#8AL
Stud Size
(2) 1/4-20X1
Stud Size
3/8-16X1-1/8
Stud Size
1/2-13X1-1/16
Stud Size
(2) 1/4-20X9/16
310
350
380
310
380
310
16370
16371
350kcmil-#6CU-AL
350kcmil-#6CU-AL
310
310
310
420
420
16372
16373
350kcmil-#6CU-AL
350kcmil-#6CU-AL
16375
16376
600kcmil-#2CU-AL
600kcmil-#2CU-AL
16378
16390
500kcmil-#6CU-AL
Stud Size
3/8-16X1-1/8
Stud Size
1/2-13X1-1/16
Stud Size
3/8-16X1-7/16
380
250
16394
16395
400
310
Ordering Information:
163 Series blocks are available in 1, 2 or 3 poles.
To order:
Basic Part No. + Number of poles
Examples:
16301-1 = (one-pole block)
16303-3 = (three-pole block)
The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper Bussmann Network Drive. All other copies of
this document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical informa-
tion that will help the end user with design applications. Cooper Bussmann reserves the right, without notice, to change design or construction of
any products and to discontinue or limit distribution of any products. Cooper Bussmann also reserves the right to change or update, without notice,
any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
© 2010 Cooper Bussmann
St. Louis, MO 63178
www.cooperbussmann.com
0910 BU-SB101042
Page 2 of 2
Data Sheet 1148