Marine Electrical Products
AC Rotary Switch Panel
2 Positions + OFF, 3 Pole
PN 8363
Features
•Switches 2 - 120/240 V AC Sources
•Compact solution when circuit protection is provided elsewhere
•Allows connecting one of two different AC sources to one circuit
•Heavy duty industrial rated switches
•Intuitive function - One handed operation
•Green power available LED indicators
•Red reverse polarity LED indicators
•UL listed switches
Panel Specifications
Voltage Rating: | Panels are rated for 120 volts AC | ||
Amperage Rating: | 65 amp maximum service |
| |
Panel Material: | 0.125” | ||
Primary Finish: | Chemical Treatment per Mil Spec | ||
Final Panel Finish: | Graphite color 2 part textured Polyurethane | ||
Maximum Wire Size: |
| 6 AWG |
|
Minimum Wire Size: |
| 12 AWG |
|
Terminal Recommended Torque: | 40 |
| |
Overall Dimensions: |
| Inches | Millimeters |
| 133.35 x 95.25 | ||
Mounting Centers: |
| 112.71 x 74.61 | |
Mounting Depth: |
| 96.84 | |
Document 6632 Rev.B
Installation
1.Disconnect all AC and DC power
Disconnect all AC power originating on or off the vessel. This includes inverters, generators, shore power attachments and any other device capable of supplying AC power to the ship’s circuits.
Disconnect the main positive DC cable from all batteries to eliminate the possibility of a short circuit and to disable the inverter while installing the switch.
2.Select mounting location and cut opening
Select a mounting location which is protected from water on the front and back of the switch and is not in an area where flammable vapors from propane, gas or lead acid batteries accumulate. AC rotary switches are not ignition protected and may ignite such vapors.
Using the panel template provided, make a cut out in the mounting surface where the distribution panel is to be mounted. Do not yet fasten the panel to the mounting surface.
3.Install source 1, source 2 and output wires
Install the feed wires from AC Shore Power and AC Generator. Install the output wires. Refer to the wire sizing chart to select the minimum wire size. Connect wires as shown in the illustration. To avoid excess wire temperatures when cooling may be limited, we recommend using at least 12 gauge wire for 30A and 8 gauge wire for 50A.
Do not confuse the neutral current carrying wires (sometimes called ground) with the green normally
A double pole circuit breaker must be installed within 10 feet of the shore power inlet, ahead of this switch. The measurement is made along the conductors.
WARNING 
@It is not possible within the scope of these instructions to fully acquaint the installer with all the knowledge of electrical systems that may be necessary to correctly install this product. If the installer is not knowledgeable in electrical systems we strongly recommend that an electrical professional be retained to make the installation.
@If either the switch front or back is to be exposed to water it must be protected with a waterproof shield.
@The switch must not be installed in explosive environments such as gasoline engine rooms or battery compartments as the switches are not ignition proof.
@The vessel’s shore power cord must be disconnected form shoreside power before installing this electrical switch.
@If an inverter is installed on the vessel its power leads must be disconnected at the battery before the panel installation. Be aware that many inverters have a “sleep mode” in which their voltage potential may not be detectable with measuring equipment.
@If an AC Generator is installed aboard it must be stopped and rendered inoperable before the switch is installed.
@Verify that no other AC or DC source is connected to the vessel’s wiring before the switch is installed.
Guarantee
Any Blue Sea Systems product with which a customer is not satisfied may be returned for a refund or replacement at any time.
Blue Sea Systems Inc. | Phone (360) | |
425 Sequoia Drive | Fax (360) | |
Bellingham, WA 98226 USA | ||
| www.bluesea.com | |
The switch provides switching, but does not provide circuit protection. It is not a substitute for a main circuit breaker.
Wire sizing chart
Use the wire sizing chart below to determine the minimum branch and
feed circuit wire sizes.
4.Testing Connections
It is very important that the wiring be connected according to the diagram. The line and neutral from each source must be paired together and not connected such that the switch selects line from one source and neutral from another. Verify the connections and see that each connection is securely tightened, including the terminals for the jumpers installed on the switch where no wires are attached.
It is possible to verify the connections using an ohmmeter before power is applied. These procedures take a little time, but are recommended, especially if some elements of a previous installation might not have been properly labeled or followed the expected color codes.