Raymarine A series, Installation And Operation Instructions Manual

Page: 56 / 464

Cable Part number MFD variant
Straight power
and data cable
(supplied with a9x
and a12x) R62379 All variants
excluding a6x and
a7x
Right angled
power and data
cable R70029 All variants
excluding a6x and
a7x
Cable extension
Power cables can be extended if required. The
following restrictions apply to any extension to the
power cable:
• Cable must be of a suitable gauge for the circuit
load.
• Each unit should have its own dedicated power
cable wired back to the distribution panel.
Total length
(max)
Supply voltage
Cable gauge
(AWG)
12 V 18 0–5 m (0–16.4 ft)
24 V 20
12 V 14 5–10 m
(16.4–32.8 ft)
24 V 18
12 V 12 10–15 m
(32.8–49.2 ft)
24 V 16
12 V 12 15–20 m
(49.2–65.5 ft)
24 V 14
Note: a6x and a7x MFDs are 12 V only products. NEVER
connect a 12 V only product to a 24 V system.
Sharing a breaker
Where more than 1 piece of equipment shares a
breaker you must provide protection for the individual
circuits. E.g. by connecting an in-line fuse for each
power circuit.
D11637-2
2
4 4
1
3
+
-
1
Positive (+) bar
2 Negative (-) bar
3 Circuit breaker
4 Fuse
Where possible, connect individual items of
equipment to individual circuit breakers. Where this
is not possible, use individual in-line fuses to provide
the necessary protection.
56 a Series / c Series / e Series