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Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.3700
Poland +48.713.239.100 • UK +44.1489.889500 • www.telect.com
Copyright © 2006 Telect, Inc., All Rights Reserved • 130358-2 A0
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Model 06004-11 includes a fail-safe circuit. Schottky diodes are cross-connected at the input to the power distribution circuits. When
both power supplies are energized, power is balanced between the two supplies by the diodes. If one of the power supplies loses its
power or is shut down, the other supply shares its power with both outputs (A and B) through the Schottky diodes. The positive bat-
tery return circuits for A and B are common since both circuits must operate from either the A or B power source. The fail-safe fea-
ture reduces the A and B inputs to 15A maximum for each bus (total 30A per panel).
NOTE
For the Fail Safe load sharing to function properly, the capacity of each of the user-supplied external feeder fuses or breakers
must be greater than the total load of the panels A and B outputs combined. For example, if the panel’s total Load A = 10A and
Load B = 10A, then the feeder fuse for Side A and Side B must each be at least 20A.
INSTALLATION
ALERT
!
ALERT! This product must be installed within a restricted access location where access is through the use of
a tool, lock and key, or other means of security, and is controlled by the authority responsible for the location.
This product must be installed and maintained only by qualified personnel.
ALERT! Verify all connections meet requirements specified in local electric codes or operating company
guidelines before supplying power. Protect this equipment with a fuse or breaker sufficient to interrupt power
levels specified under “Electrical Specifications”.
ALERT! Each panel is tested at the factory. Telect recommends, however, that you perform the testing out-
lined in the following installation procedure to ensure that no damage has occurred during shipping and han-
dling. Both Sides A and B input circuits, as applicable, need to be tested.
Please read these instructions carefully before beginning installation. If you need assistance call Technical Support at 888-821-4856
(domestic calls), or 509-921-6161 (Option 2), or eMAIL us at getinfo@telect.com
1. Inspect equipment after unpacking and compare it to the packing list.
Immediately report any shipping damage, defects, or missing parts to Telect at 1-800-551-4567. Keep all documentation that
comes with your shipment.
NOTES
• Telect is not liable for shipping damage. If damaged, notify the carrier and call Telect’s Customer Service Department at
1-800-551-4567 (domestic only) or 1-509-926-6000 for further recourse.
• Brackets are provided for either flush or extended [increments of 0.5 in. (12.7 mm)] mounting in a 19 in. or 23 in. rack with
either EIA or WECO spacing. For shipping purposes, both pairs of brackets are affixed to the sides of the panel.
2. Remove brackets, shown in the following illustration, from sides of panel.
-A
-B
+A
+B
FA AUX RLY
FA AUX RLY
FA +GND IN
FA -24/48V IN
FAIL
RELAY
NO
C
NC
A
B
NO
C
NC
A
B
-24V
TO
-48V
RTN
CAUTION: DO NOT REVERSE POLARITY
Alarm Pins for Circuits
A & B
Screw-Tight, Wire-Clamping
Input Terminals
Screw-Tight, Wire-Clamping
Output Terminals
* Plastic caps cover screw-tight terminals used by the manufacturer for installing
interior wiring. DO NOT REMOVE CAPS or LOOSEN CLAMPING SCREWS.
Plastic Caps*
Models 06004-11 (Rear View)