Whelen A490 TC Cf Single Power Supply

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Part# 11-02661
MFR Model# 01-0770006-09


Same as Model T,CF but with a mounting plate that can directly replace factory installed systems on S/E Cessnas, S/E Aero Commanders and S/E Grumman Americans. Wt. 1.5 lbs. Size: 5 x 3.12 x 2.25. Current: 1.7A-14V DC; .85A@28V DC.
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Ryan G
June 15, 2017

These units worked great for the new wing tip strobes on my 1975 Cessna 150M. Unfortunately, the Whelen A427 strobe heads ordered were both defective. Took an A&P and AI all day to troubleshoot what was defective--the wiring, the switch, these power units or the strobes. They finally figured out it was both strobes.

Cecil C
February 25, 2017


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Does the A490, TC, CF Single Power Supply come with the connectors and connection cable?

Yes, the A490, TC, CF Single Power Supply has the connection cable attached to the unit along with the connector attached to the cabel.

Q: Does this item replace the P / N: 01-0770006-17?

Whelen recommends our part number 11-17559 as a replacement.

Q: I have a discontinued aeroflash 152-0011 power supply for a stobe. Will this mount and hook up in its place?

You may have to make some wiring and connector changes but per Whelen this is their replacement for 152-0011.

Q: Is this a PMA part for part replacement of the 152-0007 on the 177B?

It is a legal part for use on certified aircraft and does cross reference to 152-0007.

Q: I need to replace the AEROFLASH PN:152-0011, does this component work ?

This is the correct part per the cross reference.

Q: Does this Whelen A490 power supply replace the P/N 01-077006-14?

Yes this is the replacement.

Q: Does this unit replace part number 01-077006-09?

Yes 11-02661 is Whelen part number 01-0770006-09.

Q: Is this WHELEN A490 TC CF power supply unit 14 volt, or 28 volt, or can it be used for either voltage?

This will work with either voltage.

Q: Can be replaced P/N 60-2799-1 and 9010104 power supply?

That is not recommended by Whelen, the 9010104 has cannon plugs and there would be a lot of wiring changes required.

Q: I have a A490T-DF-28. Is A490T-CF 14/28 the correct replacement?

Yes that is the replacement.

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