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Installation Instructions for Photovoltaic Combiner Box
Unit should be mounted in the vertical position using integral mounting tabs with
appropriate hardware (not included).
MODEL
NUMBER
MAX DC
VOLTAGE
MAX FUSE
SIZE
MAX SOURCE
Isc
MAX RATED
OUTPUT I
CB-10H20-3R
600
20A
12.8A
101A
CB-10HD8-3R
600
8A
5A
64A
CB-12H20-3R
600
20A
12.8A
192A
CB-12H20-4
600
20A
12.8A
192A
Wiring methods shall be in accordance with National Electrical Code, Article 310 and
690, ANSI/NFPA 70. Copper conductors only, 75°C.
Wiring requirements are as follows:
MODEL NUMBER
SOURCE WIRE RANGE
OUTPUT WIRE RANGE
CB-10H20-3R
#14 to #8
#6 to #2
CB-10HD8-3R
#14 to #8
#6 to #2
CB-12H20-3R
#14 to #6
(2) #14 to (2) 1/0
CB-12H20-4
#14 to #6
(2) #14 to (2) 1/0
For Model numbers CB-10H20-3R and CB-10HD8-3R reference attached drawing for
appropriate output wire routing requirements.
Chassis ground may be accomplished using supplied ground screw in base of unit.
Recommended tightening torque (pound-inch):
#18 - #10
#8
#6 - #3
#2
#1/0
20
25
35
40
50
FIRE HAZARD-When wiring is complete, check all terminal screws for proper torque.
A SUITABLE DC RATED SYSTEM DISCONNECT SHALL BE USED IN
CONJUNCTION WITH THE INSTALLATION OF THIS EQUIPMENT.
Copyright Trace Technologies Document # D07200 Rev B. Sept. 27, 2000
Trace Technologies Corporation
3547C South Higuera Street
San Luis Obispo, CA, USA 93401