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Garmin Reactor™ 40 Steer-by-wire Corepack for Yamaha® Helm Master® with GHC™ 50 (010-02794-04) is a premium electronic autopilot system designed for vessels with Yamaha Helm Master steering. Powered by a 9-axis AHRS CCU, it connects directly to Yamaha’s digital network via an included gateway without external hydraulic pumps. It features the 5-inch GHC™ 50 touchscreen display and connects via NMEA 2000® for full chartplotter integration.
| Feature / Parameter | Specification |
| Physical Dimensions (W x H x D) | 5.5″ x 4.1″ x 2.0″ (140 x 105 x 51 mm) |
| Display Size & Type | 5.0″ diagonal, WVGA color LCD touchscreen |
| Display Resolution | 800 x 480 pixels |
| Weight | 11.57 oz (328 g) |
| Water Rating | IPX7 (waterproof up to 1m depth for 30 min) |
| Display Brightness | 1,200 cd/m² (nit) |
| Mounting Options | Flat or flush mount |
| Supply Voltage Range | 9V to 32V DC |
| Current Draw | 220 mA at 12 VDC (typical) / 400 mA at 12 VDC (max) |
| NMEA 2000 LEN | 13 (650 mA at 9 VDC) |
| Network Interfaces | 1x NMEA 2000® port, 1x Garmin Marine Network (Ethernet) port |
| Wireless Connectivity | ANT+® and local Wi-Fi® |
| Feature / Parameter | Specification |
| Garmin Part Number (MPN) | 010-02794-04 |
| Physical Dimensions | 3 19/32″ diameter (91.4 mm) |
| Weight | 5.6 oz (159 g) |
| Sensor Type | Solid-state 9-axis AHRS (Attitude Heading Reference System) |
| Case Material | Fully gasketed, high-impact plastic |
| Water Rating | IEC 60529 IPX7 |
| Operating Temperature | -15°C to 55°C (5°F to 131°F) |
| NMEA 2000 Supply Voltage | 9V to 16V DC |
| NMEA 2000 LEN | 3 (150 mA) |
| CCU Cable Length | 9.5 ft (3 m) |
| Parameter | Specification |
| Dimensions (L x W x H) | 5 1/8″ x 2 3/8″ x 1″ (130 x 60 x 25 mm) |
| Weight | Less than 1 oz (28 g) |
| Function | Digital CAN-bus protocol translator between Garmin CCU and Yamaha Helm Master™ network |
| Steering System Compatibility | Yamaha® Helm Master® systems (Excludes Helm Master EX®) |
| Parameter / Item | Specification / Details |
| Buzzer Dimensions (L x Dia.) | 29/32″ x 1″ (23 x 25 mm) |
| Buzzer Weight & Cable | 2.4 oz (68 g); 10 ft (3.0 m) cable length |
| Network Accessories | NMEA 2000® drop cables (2 m), power cable (2 m), 3x T-connectors, male & female terminators |
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