4.3 Power connection
Note:
A Y-adapter cable (part number A80308) is available for existing installations that already
use a combined power/data cable from a Digital or HD Color Radome. The Y-adapter splits the
existing combined cable into the separate data and power connectors used by the scanner.
Item
Description
Connects to:
1
Power cable.
Product’s power connector.
2
Red cable (positive)
Power supply’s positive terminal.
3
Connection to 12 V / 24 V power supply. Power supply.
4
Black cable (negative)
Power supply’s negative terminal.
In-line fuse and thermal breaker ratings
The following in-line fuse and thermal breaker ratings apply to your product:
In-line fuse rating
Thermal breaker rating
5 A
3 A
Note:
• The suitable fuse rating for the thermal breaker is dependent on the number of devices you are
connecting. If in doubt consult an authorized Raymarine dealer.
• Your product’s power cable may have an in-line fuse fitted, if not then you must add an in-line
fuse / breaker to the positive wire of your product’s power connection.
Warning: Grounding not required
This product is fully insulated and does NOT require separate grounding.
Power cable extension
The product is supplied with a power cable, which can be extended if required.
• The power cable for each unit in your system should be run as a separate, single length of 2-wire
cable from the unit to the vessel's battery or distribution panel.
• Raymarine recommends a
minimum
wire gauge of 14AWG (2.08 mm
2
) for any length of cable
extension.
• For all lengths of extension to the power cable, ensure there is a continuous
minimum
voltage at
the product’s power connector of 10.8 V with a fully flat battery at 11 V.
Important:
Be aware that some products in your system (such as sonar modules) can create voltage
peaks at certain times, which may impact the voltage available to other products during the peaks.
Power distribution
Recommendations and best practice.
• The product is supplied with a power cable. Only use the power cable supplied with the product.
Do NOT use a power cable designed for, or supplied with, a different product.
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