
400W Series Rotorcraft 190-00356-21 Rev. C
Instructions for Continued Airworthiness Page 12 of 15
Table 4: 400W Series Power Input
14 VDC 28 VDC
Input Connector Mode
Typical Max Typical Max
GPS 400W
Main power P4001 -- 760mA 1.4A 410mA 700mA
GNC 420W
Main power P4001 -- 1.12A 2.5A 560mA 1.2A
COM power P4002 RX 4mA 15mA 8mA 15mA
TX 3.25A 6.0A 1.6A 3.0A
GNC 420AW
Main power P4001 -- 1.12A 2.5A 560mA 1.2A
COM power P4002 RX N/A N/A 3mA 15mA
TX N/A N/A 1.6A 3.0A
GNS 430W
Main power P4001 -- 1.60A 2.5A 800mA 1.2A
COM power P4002 RX 4mA 15mA 8mA 15mA
TX 3.25A 6.0A 1.60A 3.0A
GNS 430AW
Main power P4001 -- 1.60A 2.5A 800mA 1.2A
COM power P4002 RX N/A N/A 3mA 15mA
TX N/A N/A 1.6A 3.0A
Circuits should be protected in accordance with the approved data in this document (see Table 5) and
the guidelines in AC 43.13-1B, chapter 11 Section 4. For rotorcraft with multiple power busses, it is
recommended that for each 400W Series unit, all power inputs be connected to the same power bus. For
power interconnect drawings, refer to ‘Appendix H STC Approved Installation Diagrams’ in the 400W
Series Installation Manual (P/N 190-00356-02), listed under reference documentation in paragraph 2.1 of
this document.
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