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Can someone PLEASE help me make some Circuit Breaker rating

 
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billhuntersemail(at)gmail
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PostPosted: Wed Apr 06, 2016 8:31 am    Post subject: Can someone PLEASE help me make some Circuit Breaker rating Reply with quote

Can someone PLEASE help me make some Circuit Breaker rating decisions???

I finalized my components list and most of the components were easy to decide on a CB amp rating however the following list I am still unsure of. Can anyone PLEASE look it over and lend some assistance???

EQUIPMENT AMP MANUFACTURES DATA SHEET INFO
G-650 COM 10 GARMIN GNS650  
Comm Connector .45A continuous 5.66A Max

G-650 NAV 3 Nav Connector .6A continuous 1.16A Max

G-650 MAIN 3 Main Connector 1.6A continuous 2.8A Max
AUDIO   3 SL-15 0.350amp typ 1.5amp max

XPNDR 3 Dynon SV-XPNDR-261 0.4amp
Dynon SV-ADSB-470 0.2amp

VOLT REG SENSE 2 LR3C-14 Voltage Regulator BUS VOLTAGE SENSE

VOLT REG FIELD 5 VOLTAGE REGULATOR FIELD
 
SV COM   5 SV-COM-425 0.2amp RCV 3 amp XMT

SVAP SERVO 5 SV-AP SERVO
Pitch servo 2 amps when moving at MAX torque
      Roll servo 2 amps when moving at MAX torque

TAXI LIGHT   5 TAXI LIGHT

PITOT   10 DYNON #100667-000  
10.0 amp max (at) max heat

FUEL QTY   2 PRINCETON CAPACITANCE PROBES (two probes total)

NAV     5 INCANDESCENT LIGHTS

STROBE   7.5 WHELEN HDACF 01-0770028-05

LAND     10 Landing Light

MISC LTS   5 INTERIOR LEDs AND MISC LIGHTS

STARTER   5 STARTER SOLENOID

USB     10 USB CHARGER AND LIGHTER SOCKET


..

THANKS!!!

Bill Hunter


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dgaldrich



Joined: 24 Apr 2009
Posts: 267
Location: Naples, Fl and Belfast, ME

PostPosted: Wed Apr 13, 2016 4:17 pm    Post subject: Re: Can someone PLEASE help me make some Circuit Breaker rat Reply with quote

I seem to recall that CB's are generally used to protect the wire, not whatever the load is. Figure out what gage wire is used for the power supply and size the CB accordingly. Some items may specify a certain size CB and that would override the wire size dictum.

Dave


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user9253



Joined: 28 Mar 2008
Posts: 1908
Location: Riley TWP Michigan

PostPosted: Wed Apr 13, 2016 7:33 pm    Post subject: Re: Can someone PLEASE help me make some Circuit Breaker rat Reply with quote

Consider using fuses. Here is a thread about fuse blocks:
http://www.vansairforce.com/community/showthread.php?t=135745
Waytek fuse block:
http://tinyurl.com/h3ezat2


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