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Dometic SEASTAR OPTIMUS EPS Installation Manual page 17

Inboard electronic power steering with electric actuator

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Electric Inboard Steering Actuator
Lw, m (ft)
< 1.0
< 3.0
< 4.5 (14.7)
Table 2.
10
ELECTRIC ACTUATOR
BREAKER
7"
+
12V BATTERY
5.1.2 Making your 12V power connections
Install the 60A circuit breakers within 7" (180mm) of the power source for each
actuator. Use corrosion resistant, stainless steel hardware.
Connect the positive power source to the corresponding circuit breaker. Size
the wire for at least 60A. Tighten the terminal to the torque specified by the
circuit breaker manufacturer.
CAUTION!
Lugs must be crimped and soldered on all power connections.
Connect the –ve (black) lead from each actuator directly to the battery negative
terminal or a negative bus bar. Do not use the vessel bonding system for the
negative connection.
EN
AWG (mm
(3.3)
6.0
(13.5)
(9.8)
4.0
(21.0)
2.0
(34.0)
BATTERY
SWITCH
BUS BAR
12V BATTERY
)
2
ELECTRIC ACTUATOR
BREAKER
7"
TOTAL INTERVENING
WIRE LENGTH L w
+
12V
24V
15

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