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Simrad AC20 Junction Box
The Simrad AC20 is the junction box for the AP16, AP25, AP26, and AP27 Autopilots.
It contains the steering computer, interface other system components, NMEA 0183 interface and drive electronics for the drive unit motor and clutch.
AC 20
Supply Voltage: 10.8-40 VDC Motor Current (Cont./Peak): 10/20A Clutch/Bypass Current 1.5 A* Solenoid Output Yes Total Number of Control Units: 7 NMEA 0183 Ports I/O: 2 Radar Clock/Data Interface: Yes Input for NFU control Yes External alarm Yes Input for NMEA compass Yes
* 3.0 A on later models
Radar Clock/Data Interface: Yes Inputfor NFU control Yes Externalalarm Yes Inputfor NMEA compass Yes * 3.0 A on later models
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