
400W Series Rotorcraft 190-00356-21 Rev. C
Instructions for Continued Airworthiness Page 13 of 15
Table 5: Circuit Breaker Size and Placard
Unit Power Input Placard(s)
14 VDC
Breaker Size
28 VDC
Breaker Size
GPS 400W
(P/N 011-01057-00,
-10, -40, -50)
Main (P4001) 5 A 5 A
Main (P4001) 5 A
5 A
GNC 420W
(P/N 011-01058-00,
-10, -40, -50)
COM (P4002) 10 A
5 A
Main (P4001) N/A
5 A
GNC 420W
(P/N 011-01058-45)
COM (P4002) N/A
5 A
Main (P4001) N/A
5 A
GNC 420AW
(P/N 011-01059-00,
-10, -40, -50)
COM (P4002) N/A
5 A
Main (P4001) 5 A
5 A
COM (P4002) 10 A
5 A
GNS 430W
(P/N 011-01060-00,
-10, -40, -50)
NAV (P4006) 2 A
2 A
Main (P4001) N/A
5 A
COM (P4002) N/A
5 A
GNS 430W
(P/N 011-01060-45)
NAV (P4006) N/A
2 A
Main (P4001) N/A
5 A
COM (P4002) N/A
5 A
GNS 430AW
(P/N 011-01061-00,
-10, -40, -50)
NAV (P4006) N/A
2 A
2.10 Special Inspection Requirements
None, N/A.
2.11 Application of Protective Treatments
None, N/A.
2.12 Data Relative to Structural Fasteners
None, N/A.
2.13 Special Tools
No special tools are required for system checkout. See 400W Series Installation Manual listed in
reference documentation in section 2.1 of this document.
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