B & C Bc462-H Alternator

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Part# 07-17985
MFR Model# BC462-H


The high-performance spline-driven alternator from the company that pioneered the spline-driven alternator over 20 years ago! The BC462-H mounts on a standard AND20000-spec accessory pad, and offers robust performance with a rated output of 35 to 45 amps @ cruise RPM. Every BC462-H features a CNC machined billet aluminum mounting flange for superior durability, heavy-duty sealed ball bearings, two internal cooling fans, a precision dynamically-balanced rotor (a B&C quality essential), and a special “shear section” drive coupling. Suitable for 14 volt or 28 volt applications, the BC462-H is designed for aircraft-style external control, and may be used as either a Primary or a Standby Alternator, depending on the electrical system configuration (see note below).

Includes mounting gasket and pre-wired field connector assembly.
Weight: 6.75 lbs.

L-40, BC460-H, BC410-H, and BC462-H alternators require external regulators - use: P/N 07-06742 (LR3C) for 14V Primary, P/N 07-06786 (LS-1A) for 28V Primary, P/N 07-03461 (SB1B-14) for 14V Standby, and P/N 07-03462 (SB1B-28) for 28V Standby.


  • Approx Dims: 6 inch long and 4.17 inch diameter.


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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: Is this B&C BC462-H alternator an FAA certified or PMAd for use on an aircraft (any aircraft)?

No, this unit is for use in homebuilt / experimental aircraft only.

Q: Does this alternator have two small white wires coming out of the back? Our one has a connector plug with two pins going into one white wire. I know one spade connector is for the alt output indicator bu5 Im not sure what the other spade connector is for?

Per Manufacturer: There is a single wire which comes from the regulator to the alternator. At the field plug we add a pigtail so that the field wire uses two points of connection instead of just one. So both wire have the same function, to power the alternator field.

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