GNS 400W Series Installation Manual Page 1-3190-00356-08 Rev. G1.4 Technical Specifications1.4.1 Physical CharacteristicsBezel Height 2.66 in. (67 mm)Bezel Width 6.25 in. (159 mm)Rack Height (Dimple-to-Dimple) 2.69 in. (68 mm)Rack Width 6.32 in. (160 mm)Depth Behind Panel with Connectors(Measured from face of aircraft panel to rear of connector backshells) 11.00 in. (279 mm)GPS 400W Weight (Unit only) 4.0 lbs. (1.82 kg)GPS 400W Weight (Installed with rack and back plate) 5.0 lbs. (2.27 kg)GNC 420W/AW Weight (Unit only) 4.5 lbs. (2.04 kg)GNC 420W/AW Weight (Installed with rack and back plate) 5.5 lbs. (2.49 kg)GNS 430W/AW Weight (Unit only) 5.1 lbs. (2.31 kg)GNS 430W/AW Weight (Installed with rack and back plate) 6.2 lbs. (2.81 kg)1.4.2 General SpecificationsOperating Temperature Range-20 C to +55 C. For more details see EnvironmentalQualification Form on the Dealers Only page onwww.garmin.com. See Appendix A for part numbers.Humidity 95% non-condensingAltitude Range -1,500 ft to 50,000 ftInput Voltage Range - All Units (MainConnector) 10 to 33.2 VDCInput Voltage Range GNC 420W, GNS430W (COM Connector) 11 to 33 VDCInput Voltage Range GNC 420AW, GNS430AW (COM Connector) 24.1 to 33 VDCGPS 400W (Main Connector) 700 mA @ 28 VDC (maximum)1.4 A @ 14 VDC (maximum)GNC 420W, GNC 420AW, (Main Connector) 1.2 A @ 28 VDC (maximum)2.5 A @ 14 VDC (maximum)GNS 430W, GNS 430AW, (Main Connector) 1.2 A @ 28 VDC (maximum)2.5 A @ 14 VDC (maximum)GNC 420W, GNS 430W (COM Connector)15 mA @ 28 VDC (receive)3.0 A @ 28 VDC (transmit)15 mA @ 14 VDC (receive)6.0 A @ 14 VDC (transmit)GNC 420AW, GNS 430AW (COMConnector)15 mA @ 28 VDC (receive)3.0 A @ 28 VDC (transmit)Superflag Power Requirements 500 mA maximum per superflag outputEnvironmental TestingSee Environmental Qualification Form on the DealersOnly page on www.garmin.com. See Appendix A forpart numbers.