WARNING
Marine Electrical Products
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If the installer is not knowledgeable about electrical systems, consult an
electrical professional.
If either the panel front or back is to be exposed to water it must be
protected with a waterproof shield.
The panels must not be installed in explosive environments such as
gasoline engine rooms or battery compartments because the circuit
breakers are not ignition protected.
The main positive connection must be disconnected at the battery post
to avoid the possibility of a short circuit during the installation of this
distribution panel.
Dual Battery Main Distribution Panel
One Selector Battery Switch
PN 8687/8691
Features
• Power distribution, switching, and circuit protection combined in one panel
• Configurable to suit specific needs of individual boat owners
• Familiar Selector Battery Switch: m-Series (8687) or e-Series (8691)
• Two 15A thermal circuit breakers provide 24-hour circuit protection
• Each circuit contains circuit labels and LED indicator lights that provide circuit
status
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• Blank slots to accommodate additional circuit breakers or switches
Guarantee
If at any time you are not satisfied with this product, you may return it
for a refund or replacement.
Panel Specifications
Material:
0.125” 5052-H32 Aluminum Alloy
Chemical Treatment per Mil Spec C-5541C
Graphite color 2 part textured Polyurethane
24V DC
Primary Finish:
Useful Reference Books
Final Panel Finish:
Maximum Voltage Rating:
House Amperage Rating:
Switch Amperage Ratings:
Calder, Nigel, 2005: Boatowner’s Mechanical and Electrical Manual,
3rd edition, Blue Ridge Summit, PA: TAB Books, Inc.
Wing, Charlie, 1993: Boatowner’s Illustrated Handbook of Wiring,
Blue Ridge Summit, PA: TAB Books, Inc.
100A Max (on installed circuit)
Continuous: 8687-300A, 8691-350A
Intermittent (5 min.): 8687-500A, 8691-600A
Cranking (100 sec.): 8687-700A, 8691-900A
Inrush (2.5 sec.): 8687,1500A, 8691-1750A
Applicable Standards
Inches
Millimeters
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American Boat and Yacht Council (ABYC) Standards and Recommended
Practices for Small Craft sections: E-1, E-3, E-11.
Dimensions:
8687
8691
8687
8691
4.50 x 7.50
5.25 x 8.00
3.67 x 6.67
4.42 x 7.17
114.3 x 190.50
133.35 x 203.20
93.22 x 169.42
112.27 x 182.12
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United States Coast Guard 33 CFR Sub Part 1, Electrical Systems.
National Fire Protection Agency (NFPA) 302
Mounting Centers:
Battery Switch Terminal Studs: 3/8”-16 (accepts M10 terminal)
Related Products Available from Blue Sea Systems
Toggle World Circuit Breakers, e.g., 7200
Torque:
140 in-lbs.
Small Case Rockers, e.g., 7300, 7408 (flat), 7433 (slot reset)
Large Case Rockers, e.g., 7450
CLB with Adapter, e.g., 7050/4111
Push Button Switches with Adapter, e.g., 8200
Toggle Switches with Adapter, e.g., 8204
Blue Sea Systems Inc.
425 Sequoia Drive
Bellingham, WA 98226 USA
Phone (360) 738-8230
Fax (360) 734-4195
E-mail [email protected]
Document 6344 Rev.B
Installation
Caution
1. Disconnect all DC power
Caution: ABYC Interrupt
To eliminate the possibility of a short circuit while installing the panel,
disconnect the main positive cable from all batteries.
In certain circumstances, main DC circuit breakers may have to break
very high amperages. The ability of a circuit breaker to safely break high
amperage is its Ampere Interrupt Capacity (AIC) rating. AIC is a function
of a battery’s Cold Cranking Amperes (AIC) capacity. According to ABYC
E-11 standards, circuit breakers shall have a DC voltage rating of not less
than the nominal system voltage, be capable of an interrupting capacity
according to the values in the table below, and remain operable after the
fault. For example, a boat with a group 24 or 27 battery may have as much
as 650 CCA. The DC main circuit breaker for this circuit must have an AIC
rating of 1500 Amperes.
2. Select mounting location and cut opening
Select a mounting location that is protected from water on the panel
front and back and is not in an area where flammable vapors from
propane, gas or lead acid batteries accumulate. Using the panel
template provided, make a cut out in the mounting surface where
the panel is to be mounted. Do not fasten the panel to the
mounting surface.
3. Install LED negative feed wire
Use a 16 AWG wire to connect the LED negative feed (Yellow) wires
to a DC negative bus.
DC voltage rating
CCA of all
connected
batteries
Ampere Interrupt Capacity (AIC)
4. Electrical Connections
Main Circuit
Branch Circuit
Battery cable terminals must be attached under battery switch stud
nut and lock washer. The electrical connection illustration is general
in nature and is not meant to be a guide for the wiring of any specific
vessel. There is a wide range of wiring configurations possible.
Consult your marine electrical professional for the wiring system
applicable to your boat.
Breaker (Amperes) Breaker(Amperes)
12 Volt and 24 Volt
32 Volts
650 or less
651-1100
1500
3000
5000
3000
5000
750
750
over 1100
1250 or less
over 1250
2500
1500
2500
Make appropriate adjustments to the wiring diagram to suit your
specific installation and equipment. Fusing may be appropriate
in several of the lines depending on the proximity of components,
conductor sheathing, and the conductivity of the surrounding structure.
Consult the Wire Sizing Chart to determine the appropriate wire sizes.
Blue Sea Systems Battery Management Panels contain thermal (push
button reset) circuit breakers rated at 15A. These circuit breakers are
suitable for 24-hour circuits connected directly to 12V or 24V battery banks
with CCA capacities less than 660A.
5. Apply Labels and Mount Panel
Apply a label to each of the circuits from the label sheet provided. Use
the panel mounting screws supplied with the panel to secure the panel
to the mounting surface. Additional labels are available from
Blue Sea Systems.
Installation of this panel in systems with battery banks of 660A or higher
should include an additional fuse or circuit breaker of appropriate interrupt
capacity in the line between the battery bank and the pushbutton circuit
breakers to comply with ABYC E-11 and NFPA 302.
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