Power Distribution Blocks up to 420A, 600V
163 Series
163 Series Power Distribution Blocks
(Replaces Cooper Bussmann 164 Series)
Ratings: Up to 420A, 600V
SCCR: 10kA (except for select products noted)
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.
1234567
1234567
#4 Thread-cutting screws
assembled
Textured surface for marking
CPDB-1 (single pole) 2.10"
CPDB-2 (two pole) 3.72"
CPDB-3 (three pole) 5.34"
4.14"
Optional Covers:
1-pole
1.96"
2-pole
3.58"
3-pole
5.20"
.31"
1.62" 3.25"
Mtg. hole .21X.41,
c'bore .42X.62X.12 deep
3.32"
.97"
4.00" 3.37"
• 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.
(Covers ordered and shipped separately.)
1011 BU-SB101042 Page 1 of 2 Data Sheet 1148
Cross Reference/ Replacement Guide
NEW Replaces these part numbers.
Buss Old Connectron Marathon Gould ILSCO
Part No. Buss No. Series Series Series
16303 16302
16306 16401, 16305 143 66 PDB
16321 16320 144 67
16323 16322 145 68
16370 350CCC 69
16371 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.
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)
INPUT/OUTPUT TERMINATION OPTIONS
Basic Wire Size Amps/
Part No. Line Side Load Side Pole
16301 250kcmil-#6 CU Only 250kcmil-#6 CU Only 255
16303 350kcmil-#6 CU-AL 350kcmil-#6 CU-AL 310
16306 500kcmil-#6 CU-AL 500kcmil-#6 CU-AL 380
16321* 2/0-#14CU, 2/0-#8AL #4-#14CU, #4-#8AL 175
16323 350kcmil-#6CU-AL #4-#14CU, #4-#12AL 310
16325 2/0-#14CU, 2/0-#8AL #4-#14CU, #4-#8AL 350
16330 500kcmil-#6CU-AL #2-#14CU, #2-#12AL 380
16332 350kcmil-#6CU-AL (3) #2-#14CU, #2-#8AL
(2) 1/0-#14CU, 1/0-#8AL 310
16335 500kcmil-#6CU-AL (3) #2-#14CU, #2-#8AL
(2) 1/0-#14CU, 1/0-#8AL 380
16370* 350kcmil-#6CU-AL #4-#14CU, #4-#12AL 310
16371* 350kcmil-#6CU-AL (6) #2-#14CU, #2-#8AL
(3) 1/0-#14CU, 1/0-#8AL 310
16372 350kcmil-#6CU-AL (21) #10-#14CU, #10AL 310
16373 350kcmil-#6CU-AL (14) #10-#14CU, #10AL
(3) 1/0-#14CU-AL 310
16375 600kcmil-#2CU-AL #4-#14CU, #4-#12AL 420
16376 600kcmil-#2CU-AL (6) #2-#14CU, #2-#8AL
(3) 1/0-#14CU, 1/0-#8AL 420
16378 500kcmil-#6CU-AL Stud Size
(2) 1/4-20X1 380
16390 Stud Size Stud Size
3/8-16X1-1/8 3/8-16X1-1/8 250
16394 Stud Size Stud Size
1/2-13X1-1/16 1/2-13X1-1/16 400
16395 Stud Size Stud Size
3/8-16X1-7/16 (2) 1/4-20X9/16 310
LINE / LOAD
*
*SCCR up to 200kA
© 2011 Cooper Bussmann
www.cooperbussmann.com
1011 BU-SB101042 Page 2 of 2 Data Sheet 1148
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.
